Abstract

A tapered hollow waveguide that can focus a laser beam into a small beam spot is proposed for medical and dental applications. We fabricated hollow tapered optics by using a traveling torch, and the shape was formed as a precise linear taper. For a hollow taper tip with input and output diameters of 700 and 200 μm, respectively, the insertion loss is as small as 0.7 dB in a 10 mm long taper. The hollow taper optic producing a 200 μm spot withstands input energy of 100 mJ. Because a focusing lens is unnecessary at the output end, the laser beam can be introduced into a deep and narrow spot with these tapered optics.

© 2007 Optical Society of America

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  1. R. Hibst and U. Keller, Lasers Surg. Med. 9, 338 (1999).
  2. H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).
  3. D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).
  4. J. A. Harrington, Infrared Fibers and Their Applications (SPIE, 2004).
  5. I. K. Ilev and R. W. Waynant, Appl. Phys. Lett. 74, 2921 (1999).
    [CrossRef]
  6. Y. Matsuura, H. Hiraga, Y. Wang, Y. Kato, M. Miyagi, S. Abe, and S. Onodera, Appl. Opt. 36, 7818 (1997).
  7. T. A. Birks and Y. W. Li, J. Lightwave Technol. 10, 432 (1992).
    [CrossRef]
  8. Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

2001

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

2000

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

1999

I. K. Ilev and R. W. Waynant, Appl. Phys. Lett. 74, 2921 (1999).
[CrossRef]

R. Hibst and U. Keller, Lasers Surg. Med. 9, 338 (1999).

1997

1996

H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).

1992

T. A. Birks and Y. W. Li, J. Lightwave Technol. 10, 432 (1992).
[CrossRef]

Abe, S.

Abe, Y.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Birks, T. A.

T. A. Birks and Y. W. Li, J. Lightwave Technol. 10, 432 (1992).
[CrossRef]

Evans, D. J. P.

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

Harrington, J. A.

J. A. Harrington, Infrared Fibers and Their Applications (SPIE, 2004).

Hasegawa, K.

H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).

Hibst, R.

R. Hibst and U. Keller, Lasers Surg. Med. 9, 338 (1999).

Hiraga, H.

Ilev, I. K.

I. K. Ilev and R. W. Waynant, Appl. Phys. Lett. 74, 2921 (1999).
[CrossRef]

Ishikawa, I.

H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).

Kato, Y.

Keller, U.

R. Hibst and U. Keller, Lasers Surg. Med. 9, 338 (1999).

Li, Y. W.

T. A. Birks and Y. W. Li, J. Lightwave Technol. 10, 432 (1992).
[CrossRef]

Longboltom, C.

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

Matsuura, Y.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Y. Matsuura, H. Hiraga, Y. Wang, Y. Kato, M. Miyagi, S. Abe, and S. Onodera, Appl. Opt. 36, 7818 (1997).

Matthews, S.

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

Miyagi, M.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Y. Matsuura, H. Hiraga, Y. Wang, Y. Kato, M. Miyagi, S. Abe, and S. Onodera, Appl. Opt. 36, 7818 (1997).

Mohri, S.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Nugent, Z. J.

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

Onodera, S.

Pitts, N. B.

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

Shi, Y.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Suzuki, M.

H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).

Takada, G.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Wang, Y.

Watanabe, H.

H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).

Waynant, R. W.

I. K. Ilev and R. W. Waynant, Appl. Phys. Lett. 74, 2921 (1999).
[CrossRef]

Yaegashi, M.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Appl. Opt.

Appl. Phys. Lett.

I. K. Ilev and R. W. Waynant, Appl. Phys. Lett. 74, 2921 (1999).
[CrossRef]

Br. Dent. J.

D. J. P. Evans, S. Matthews, N. B. Pitts, C. Longboltom, and Z. J. Nugent, Br. Dent. J. 188, 677 (2000).

J. Clin. Laser Med. Surg.

H. Watanabe, I. Ishikawa, M. Suzuki, and K. Hasegawa, J. Clin. Laser Med. Surg. 14, 67 (1996).

J. Lightwave Technol.

T. A. Birks and Y. W. Li, J. Lightwave Technol. 10, 432 (1992).
[CrossRef]

Lasers Surg. Med.

R. Hibst and U. Keller, Lasers Surg. Med. 9, 338 (1999).

Opt. Laser Technol.

Y. Matsuura, Y. Shi, Y. Abe, M. Yaegashi, G. Takada, S. Mohri, and M. Miyagi, Opt. Laser Technol. 33, 279 (2001).

Other

J. A. Harrington, Infrared Fibers and Their Applications (SPIE, 2004).

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