Abstract

Sequences of picosecond pulses of 1.06-μm Nd:YAG laser radiation with a total energy of ∼2 mJ are transmitted through a hollow-core photonic-crystal fiber with a core diameter of ∼14 μm and are focused onto a tooth’s surface in vitro to ablate dental tissue. The hollow-core photonic-crystal fiber is shown to support the single-fundamental-mode regime for 1.06-μm laser radiation, serving as a spatial filter and allowing the laser beam’s quality to be substantially improved. The same fiber is used to transmit emission from plasmas produced by laser pulses onto the tooth’s surface in the backward direction for detection and optical diagnostics.

© 2004 Optical Society of America

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    [CrossRef]

2003 (3)

O. A. Kolevatova, A. N. Naumov, A. M. Zheltikov, “Guiding high-intensity laser pulses through hollow fibers: self-phase modulation and cross-talk of guided modes,” Opt. Commun. 217, 169–177 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

2002 (3)

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

M. Strassl, A. Kasenbacher, E. Wintner, “Ultrashort laser pulses in dentistry,” J. Oral Laser Appl. 2, 213–224 (2002).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

2001 (1)

O. Samek, H. H. Telle, D. C. S. Beddows, “Laser-induced breakdown spectroscopy: a tool for real-time, in vitro and in vivo identification of carious teeth,” BMC Oral Health 1, 1472–1480 (2001).
[CrossRef]

1999 (3)

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

A. A. Serafetinides, M. Khabbaz, M. I. Makropoulou, A. K. Kar, “Picosecond laser ablation of dentine in endodontics,” Laser Med. Sci. 14, 168–175 (1999).
[CrossRef]

D. Fried, “Therapeutic lasers and optical diagnostic technology in dentistry,” Opt. Photon. News 10(6), 23–29 (1999).

1998 (3)

Y. Matsuura, K. Hanamoto, S. Sato, M. Miyagi, “Hollow-fiber delivery of high-power pulsed Nd:YAG laser light,” Opt. Lett. 23, 1858–1860 (1998).
[CrossRef]

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

1997 (1)

1996 (3)

1995 (1)

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

1994 (1)

A. M. Zheltikov, N. I. Koroteev, A. B. Fedotov, “Generation of optical harmonics and frequency mixing in a plasma of optical breakdown,” Laser Phys. 4, 569–578 (1994).

1990 (1)

W. H. Trott, K. D. Meeks, “High-power Nd:glass laser transmission through optical fibers and its use in acceleration of thin foil targets,” J. Appl. Phys. 67, 3297–3303 (1990).
[CrossRef]

1985 (1)

1964 (1)

E. A. J. Marcatili, R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Syst. Tech. J. 43, 1783–1810 (1964).
[CrossRef]

Alfimov, M. V.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

Allan, D. C.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Allison, S. W.

Altshuler, G. B.

G. B. Altshuler, N. R. Belashenkov, V. B. Karasev, A. V. Skripnik, A. A. Solunin, “Application of ultrashort laser pulses in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 77–86 (1993).
[CrossRef]

Andreev, N.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Batani, D.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Beddows, D. C. S.

O. Samek, H. H. Telle, D. C. S. Beddows, “Laser-induced breakdown spectroscopy: a tool for real-time, in vitro and in vivo identification of carious teeth,” BMC Oral Health 1, 1472–1480 (2001).
[CrossRef]

Belashenkov, N. R.

G. B. Altshuler, N. R. Belashenkov, V. B. Karasev, A. V. Skripnik, A. A. Solunin, “Application of ultrashort laser pulses in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 77–86 (1993).
[CrossRef]

Beloglazov, V. I.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

Bille, J. F.

A. Mindermann, M. H. Niemz, L. Eisemann, F. H. Loesel, J. F. Bille, “Comparison of three different laser systems for application in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 68–77 (1993).
[CrossRef]

Birks, T. A.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Borghesi, M.

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

Cheng, Z.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Courtois, C.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Cregan, R. F.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Cros, B.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Da Silva, L. B.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Dan, C. C.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

Di Bernardo, A.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Eisemann, L.

A. Mindermann, M. H. Niemz, L. Eisemann, F. H. Loesel, J. F. Bille, “Comparison of three different laser systems for application in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 68–77 (1993).
[CrossRef]

Featherstone, J. D. B.

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

Fedotov, A. B.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

A. M. Zheltikov, N. I. Koroteev, A. B. Fedotov, “Generation of optical harmonics and frequency mixing in a plasma of optical breakdown,” Laser Phys. 4, 569–578 (1994).

Feit, M.

Feit, M. D.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Fried, D.

D. Fried, “Therapeutic lasers and optical diagnostic technology in dentistry,” Opt. Photon. News 10(6), 23–29 (1999).

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

Gaillard, R.

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

Gillies, G. T.

Gobin, I.

Hanamoto, K.

Hand, D. P.

D. P. Hand, D. Su, M. Naeem, J. D. C. Jones, “Fiber optic high-quality Nd:YAG beam delivery for materials processing,” Opt. Eng. 35, 502–506 (1996).
[CrossRef]

Herman, S.

Huynh, D. S.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

Ivanov, A. A.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

Jones, J. D. C.

D. P. Hand, D. Su, M. Naeem, J. D. C. Jones, “Fiber optic high-quality Nd:YAG beam delivery for materials processing,” Opt. Eng. 35, 502–506 (1996).
[CrossRef]

Kar, A. K.

A. A. Serafetinides, M. Khabbaz, M. I. Makropoulou, A. K. Kar, “Picosecond laser ablation of dentine in endodontics,” Laser Med. Sci. 14, 168–175 (1999).
[CrossRef]

Karasev, V. B.

G. B. Altshuler, N. R. Belashenkov, V. B. Karasev, A. V. Skripnik, A. A. Solunin, “Application of ultrashort laser pulses in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 77–86 (1993).
[CrossRef]

Kasenbacher, A.

M. Strassl, A. Kasenbacher, E. Wintner, “Ultrashort laser pulses in dentistry,” J. Oral Laser Appl. 2, 213–224 (2002).

Kautek, W.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Khabbaz, M.

A. A. Serafetinides, M. Khabbaz, M. I. Makropoulou, A. K. Kar, “Picosecond laser ablation of dentine in endodontics,” Laser Med. Sci. 14, 168–175 (1999).
[CrossRef]

Knight, J. C.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Kolevatova, O. A.

O. A. Kolevatova, A. N. Naumov, A. M. Zheltikov, “Guiding high-intensity laser pulses through hollow fibers: self-phase modulation and cross-talk of guided modes,” Opt. Commun. 217, 169–177 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

Konorov, S. O.

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

Koroteev, N. I.

A. M. Zheltikov, N. I. Koroteev, A. B. Fedotov, “Generation of optical harmonics and frequency mixing in a plasma of optical breakdown,” Laser Phys. 4, 569–578 (1994).

Krausz, F.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Krüger, J.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Kuznetsov, S.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Lane, S.

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Lenzner, M.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Loesel, F. H.

A. Mindermann, M. H. Niemz, L. Eisemann, F. H. Loesel, J. F. Bille, “Comparison of three different laser systems for application in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 68–77 (1993).
[CrossRef]

London, R.

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Mackinnon, A. J.

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

Magnuson, D. W.

Makropoulou, M. I.

A. A. Serafetinides, M. Khabbaz, M. I. Makropoulou, A. K. Kar, “Picosecond laser ablation of dentine in endodontics,” Laser Med. Sci. 14, 168–175 (1999).
[CrossRef]

Mangan, B. J.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Marcatili, E. A. J.

E. A. J. Marcatili, R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Syst. Tech. J. 43, 1783–1810 (1964).
[CrossRef]

Matsuura, Y.

Matthews, D. L.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

Matthieussent, G.

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Meeks, K. D.

W. H. Trott, K. D. Meeks, “High-power Nd:glass laser transmission through optical fibers and its use in acceleration of thin foil targets,” J. Appl. Phys. 67, 3297–3303 (1990).
[CrossRef]

Mindermann, A.

A. Mindermann, M. H. Niemz, L. Eisemann, F. H. Loesel, J. F. Bille, “Comparison of three different laser systems for application in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 68–77 (1993).
[CrossRef]

Miyagi, M.

Mourou, G.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Naeem, M.

D. P. Hand, D. Su, M. Naeem, J. D. C. Jones, “Fiber optic high-quality Nd:YAG beam delivery for materials processing,” Opt. Eng. 35, 502–506 (1996).
[CrossRef]

Naumov, A. N.

O. A. Kolevatova, A. N. Naumov, A. M. Zheltikov, “Guiding high-intensity laser pulses through hollow fibers: self-phase modulation and cross-talk of guided modes,” Opt. Commun. 217, 169–177 (2003).
[CrossRef]

Neev, J.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Niemz, M. H.

A. Mindermann, M. H. Niemz, L. Eisemann, F. H. Loesel, J. F. Bille, “Comparison of three different laser systems for application in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 68–77 (1993).
[CrossRef]

Offenberger, A. A.

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

Pagano, T. S.

Perry, M.

Perry, M. D.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Petrov, A. N.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

Podshivalov, A. A.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

Richou, B.

Richou, J.

Roberts, P. J.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Rubenchik, A.

Rubenchik, A. M.

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

Russell, P. St. J.

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Samek, O.

O. Samek, H. H. Telle, D. C. S. Beddows, “Laser-induced breakdown spectroscopy: a tool for real-time, in vitro and in vivo identification of carious teeth,” BMC Oral Health 1, 1472–1480 (2001).
[CrossRef]

Sartania, S.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Sato, S.

Schertz, I.

Schmeltzer, R. A.

E. A. J. Marcatili, R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Syst. Tech. J. 43, 1783–1810 (1964).
[CrossRef]

Schüler, H.

Serafetinides, A. A.

A. A. Serafetinides, M. Khabbaz, M. I. Makropoulou, A. K. Kar, “Picosecond laser ablation of dentine in endodontics,” Laser Med. Sci. 14, 168–175 (1999).
[CrossRef]

Shcherbakov, A. V.

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

Shore, B.

Skibina, N. B.

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

Skripnik, A. V.

G. B. Altshuler, N. R. Belashenkov, V. B. Karasev, A. V. Skripnik, A. A. Solunin, “Application of ultrashort laser pulses in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 77–86 (1993).
[CrossRef]

Solunin, A. A.

G. B. Altshuler, N. R. Belashenkov, V. B. Karasev, A. V. Skripnik, A. A. Solunin, “Application of ultrashort laser pulses in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 77–86 (1993).
[CrossRef]

Spielmann, Ch.

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Strassl, M.

M. Strassl, A. Kasenbacher, E. Wintner, “Ultrashort laser pulses in dentistry,” J. Oral Laser Appl. 2, 213–224 (2002).

Stuart, B.

Stuart, B. C.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

Su, D.

D. P. Hand, D. Su, M. Naeem, J. D. C. Jones, “Fiber optic high-quality Nd:YAG beam delivery for materials processing,” Opt. Eng. 35, 502–506 (1996).
[CrossRef]

Telle, H. H.

O. Samek, H. H. Telle, D. C. S. Beddows, “Laser-induced breakdown spectroscopy: a tool for real-time, in vitro and in vivo identification of carious teeth,” BMC Oral Health 1, 1472–1480 (2001).
[CrossRef]

Trott, W. H.

W. H. Trott, K. D. Meeks, “High-power Nd:glass laser transmission through optical fibers and its use in acceleration of thin foil targets,” J. Appl. Phys. 67, 3297–3303 (1990).
[CrossRef]

Visuri, S. R.

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

von der Linde, D.

Waldvogel, J. L.

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

Walsh, J. T.

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

White, J. M.

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

Wigdor, H. A.

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

Willi, O.

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

Wintner, E.

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

M. Strassl, A. Kasenbacher, E. Wintner, “Ultrashort laser pulses in dentistry,” J. Oral Laser Appl. 2, 213–224 (2002).

Zheltikov, A. M.

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

O. A. Kolevatova, A. N. Naumov, A. M. Zheltikov, “Guiding high-intensity laser pulses through hollow fibers: self-phase modulation and cross-talk of guided modes,” Opt. Commun. 217, 169–177 (2003).
[CrossRef]

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

A. M. Zheltikov, N. I. Koroteev, A. B. Fedotov, “Generation of optical harmonics and frequency mixing in a plasma of optical breakdown,” Laser Phys. 4, 569–578 (1994).

Appl. Opt. (2)

Bell Syst. Tech. J. (1)

E. A. J. Marcatili, R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Syst. Tech. J. 43, 1783–1810 (1964).
[CrossRef]

BMC Oral Health (1)

O. Samek, H. H. Telle, D. C. S. Beddows, “Laser-induced breakdown spectroscopy: a tool for real-time, in vitro and in vivo identification of carious teeth,” BMC Oral Health 1, 1472–1480 (2001).
[CrossRef]

J. Appl. Phys. (1)

W. H. Trott, K. D. Meeks, “High-power Nd:glass laser transmission through optical fibers and its use in acceleration of thin foil targets,” J. Appl. Phys. 67, 3297–3303 (1990).
[CrossRef]

J. Opt. Soc. Am. B (2)

J. Oral Laser Appl. (1)

M. Strassl, A. Kasenbacher, E. Wintner, “Ultrashort laser pulses in dentistry,” J. Oral Laser Appl. 2, 213–224 (2002).

J. Phys. D (1)

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, E. Wintner, A. M. Zheltikov, “Laser breakdown with millijoule trains of picosecond pulses transmitted through a hollow-core photonic-crystal fiber,” J. Phys. D 36, 1375–1383 (2003).
[CrossRef]

JETP Lett. (1)

S. O. Konorov, A. B. Fedotov, O. A. Kolevatova, V. I. Beloglazov, N. B. Skibina, A. V. Shcherbakov, A. M. Zheltikov, “Waveguide modes of hollow photonic-crystal fibers,” JETP Lett. 76, 341–346 (2002).
[CrossRef]

Laser Med. Sci. (1)

A. A. Serafetinides, M. Khabbaz, M. I. Makropoulou, A. K. Kar, “Picosecond laser ablation of dentine in endodontics,” Laser Med. Sci. 14, 168–175 (1999).
[CrossRef]

Laser Phys. (2)

S. O. Konorov, A. B. Fedotov, A. A. Ivanov, M. V. Alfimov, V. I. Beloglazov, N. B. Skibina, A. A. Podshivalov, A. N. Petrov, A. V. Shcherbakov, A. M. Zheltikov, “Guiding femtosecond second-harmonic pulses of a Cr:Forsterite laser through hollow-core photonic-crystal fibers,” Laser Phys. 13, 1046–1050 (2003).

A. M. Zheltikov, N. I. Koroteev, A. B. Fedotov, “Generation of optical harmonics and frequency mixing in a plasma of optical breakdown,” Laser Phys. 4, 569–578 (1994).

Lasers Surg. Med. (1)

H. A. Wigdor, J. T. Walsh, J. D. B. Featherstone, S. R. Visuri, D. Fried, J. L. Waldvogel, “Lasers in dentistry,” Lasers Surg. Med. 16, 103–123 (1995).
[CrossRef] [PubMed]

Opt. Commun. (1)

O. A. Kolevatova, A. N. Naumov, A. M. Zheltikov, “Guiding high-intensity laser pulses through hollow fibers: self-phase modulation and cross-talk of guided modes,” Opt. Commun. 217, 169–177 (2003).
[CrossRef]

Opt. Eng. (1)

D. P. Hand, D. Su, M. Naeem, J. D. C. Jones, “Fiber optic high-quality Nd:YAG beam delivery for materials processing,” Opt. Eng. 35, 502–506 (1996).
[CrossRef]

Opt. Lett. (1)

Opt. Photon. News (1)

D. Fried, “Therapeutic lasers and optical diagnostic technology in dentistry,” Opt. Photon. News 10(6), 23–29 (1999).

Phys. Rev. E (2)

M. Borghesi, A. J. Mackinnon, R. Gaillard, O. Willi, A. A. Offenberger, “Guiding of a 10-TW picosecond laser pulse through hollow capillary tubes,” Phys. Rev. E 57, R4899–R4903 (1998).
[CrossRef]

B. Cros, C. Courtois, G. Matthieussent, A. Di Bernardo, D. Batani, N. Andreev, S. Kuznetsov, “Eigenmodes for capillary tubes with dielectric walls and ultraintense laser pulse guiding,” Phys. Rev. E 65, 26405–26412 (2002).
[CrossRef]

Phys. Rev. Lett. (1)

M. Lenzner, J. Krüger, S. Sartania, Z. Cheng, Ch. Spielmann, G. Mourou, W. Kautek, F. Krausz, “Femtosecond optical breakdown in dielectrics,” Phys. Rev. Lett. 80, 4076–4079 (1998).
[CrossRef]

Science (1)

R. F. Cregan, B. J. Mangan, J. C. Knight, T. A. Birks, P. St. J. Russell, P. J. Roberts, D. C. Allan, “Single-mode photonic band gap guidance of light in air,” Science 285, 1537–1542 (1999).
[CrossRef] [PubMed]

Other (4)

A. Mindermann, M. H. Niemz, L. Eisemann, F. H. Loesel, J. F. Bille, “Comparison of three different laser systems for application in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 68–77 (1993).
[CrossRef]

G. B. Altshuler, N. R. Belashenkov, V. B. Karasev, A. V. Skripnik, A. A. Solunin, “Application of ultrashort laser pulses in dentistry,” in Dental Applications of Lasers, G. B. Altshuler, R. Hibst, eds., Proc. SPIE2080, 77–86 (1993).
[CrossRef]

J. Neev, D. S. Huynh, C. C. Dan, J. M. White, L. B. Da Silva, M. D. Feit, D. L. Matthews, M. D. Perry, A. M. Rubenchik, B. C. Stuart, “Scanning electron microscopy and ablation rates of hard dental tissue using 350-fs and 1-ns laser pulses,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 250–259 (1996).
[CrossRef]

A. M. Rubenchik, L. B. Da Silva, M. D. Feit, S. Lane, R. London, M. D. Perry, B. C. Stuart, J. Neev, “Dental tissue processing with ultrashort-pulse laser,” in Lasers in Dentistry II, H. A. Wigdor, J. D. Featherstone, J. M. White, J. Neev, eds., Proc. SPIE2672, 222–232 (1996).
[CrossRef]

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Figures (8)

Fig. 1
Fig. 1

Schematic of a passively mode-locked Nd:YAG master oscillator with a negative-feedback-controlled cavity Q factor and a single-pulse selection unit: BS, beam splitter; OC, output coupler; other abbreviations defined in text.

Fig. 2
Fig. 2

Cross-sectional image of a microstructure fiber with a two-dimensionally periodic cladding consisting of an array of identical capillaries. This periodic cladding supports guided modes in the hollow core of the fiber owing to the high reflectivity of a periodic structure within photonic bandgaps. The hollow core of the fiber is formed by removal of seven capillaries from the central part of the structure. The period of the structure in the cladding is ∼5 μm, and the core diameter is ∼13 μm.

Fig. 3
Fig. 3

Transmission spectrum of a hollow PCF (Fig. 1) with a period of the structure in the cladding of ∼5 μm and a core diameter of ∼13 μm. Inset, radiation intensity distributions measured in the cross section of the fiber, supporting the fundamental waveguide mode of 633-nm diode-laser radiation.

Fig. 4
Fig. 4

Transmission spectrum of a hollow-core PCF designed to provide a transmission peak at 532 nm. Inset, cross-section image of this fiber.

Fig. 5
Fig. 5

Transmission spectrum of a hollow PCF employed to guide picosecond pulses of 1.06-μm radiation. Inset, cross-section image of this fiber. The period of the structure in the cladding is ∼5 μm.

Fig. 6
Fig. 6

Transverse profile of 1.06-μm radiation intensity at the output of a hollow-core PCF: solid curve, experimental data; dashed curve, results of calculations. Inset, intensity distribution of 1.06-μm Nd:YAG laser radiation measured in the cross section of the hollow PCF.

Fig. 7
Fig. 7

Schematic of the experimental setup for laser ablation of dental tissue in vitro. Picosecond pulses of Nd:YAG laser radiation are transmitted through a PCF and are focused onto a tooth’s surface, producing optical breakdown and ablating dental tissue. Emission from plasmas induced on the tooth’s surface is transmitted through the fiber in the backward direction and is delivered to the detection system.

Fig. 8
Fig. 8

Laser-induced breakdown emission spectra from the surface of dental tissue irradiated with 1.06-μm laser pulses recorded by (a) the use of an optical imaging system without a fiber and (b) hollow-core PCF signal delivery. Dashed curve, in transmission spectrum of the hollow-core PCF.

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