Abstract

In this paper, a new method for alignment of the pinhole of a spatial filter (SF) has been proposed and demonstrated experimentally. The effect of the misalignment of the pinhole on the laser beam profiles has been calculated for circular and elliptical Gaussian laser beams. Theoretical computation has been carried out to illustrate the effect of an intensity mask, placed before the focusing lens of the SF, on the spatial beam profile after the pinhole of the SF. It is shown, both theoretically and experimentally, that a simple intensity mask, consisting of a black dot, can be used to visually align the pinhole with a high accuracy of 5% of the pinhole diameter. The accuracy may be further improved using a computer-based image processing algorithm. Finally, the proposed technique has been demonstrated to align a vacuum SF of a compact 40 J Nd:phosphate glass laser system.

© 2013 Optical Society of America

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2012 (1)

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

2011 (2)

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

S. C. Burkhart, E. Bliss, P. Di Nicola, D. Kalantar, R. Lowe-webb, T. McCarville, D. Nelson, T. Salmon, T. Schinder, J. Villanueva, and K. Wilhelmsen, “National Ignition Facility system alignment,” Appl. Opt. 50, 1136–1157(2011).
[CrossRef]

2010 (1)

Y. Gao, B. Zhu, D. Liu, and Z. Lin, “Influences of the alignment and misalignment spatial filters on the beam quality in high power laser systems,” J. Opt. 12, 095704 (2010).
[CrossRef]

2009 (2)

Y. Q. Gao, B. Q. Zhu, D. Z. Liu, X. F. Liu, and Z. Q. Lin, “Characteristics of beam alignment in a high power four pass laser amplifier,” Appl. Opt. 48, 1591–1597 (2009).
[CrossRef]

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

2008 (1)

2007 (2)

2006 (2)

2005 (1)

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

2000 (1)

1999 (1)

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

1998 (1)

1995 (1)

1985 (1)

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun. 56, 219–221 (1985).
[CrossRef]

1981 (1)

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

1979 (1)

1978 (1)

1977 (2)

Al-Ayat, R.

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

Anthes, J. P.

Auerbach, J. M.

Azechi, H.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Barmashova, T. V.

Bliss, E.

Boles, J.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Boley, C. D.

Bowers, M. W.

Boyd, R. N.

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

Brown, D. C.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Bulanov, S. V.

G. Mourou, T. Tajima, and S. V. Bulanov, “Optics in the relativistic regime,” Rev. Mod. Phys. 78, 309–371 (2006).
[CrossRef]

Bunkenberg, J.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Burkhart, S. C.

Caird, J. A.

Celliers, P. M.

Chai, L.

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

Charukhchev, A. V.

Chien, C. Y.

Chvykov, V.

Coe, J. S.

Craxton, R. S.

Da Silva, L. B.

Daiya, D.

A. K. Sharma, D. Daiya, Sanyogita, P. A. Naik, and P. D. Gupta, “Development and performance characteristics of a compact 28 J oscillator-amplifier Nd:phosphate glass laser system,” in Proceedings of the 20th DAE-BRNS National Laser Symposium, Anna University, Chennai, 9–12 Jan2012.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

Di Nicola, P.

Dixit, S. N.

Eastman, J.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Erbert, G. V.

Estabrook, K. G.

Fisch, N. J.

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

Freidman, G. I.

Gao, Y.

Y. Gao, B. Zhu, D. Liu, and Z. Lin, “Influences of the alignment and misalignment spatial filters on the beam quality in high power laser systems,” J. Opt. 12, 095704 (2010).
[CrossRef]

Gao, Y. Q.

Garanin, S. G.

Gerke, R. R.

Ginzburg, V. N.

Glaze, J. A.

Gupta, P. D.

A. K. Sharma, D. Daiya, Sanyogita, P. A. Naik, and P. D. Gupta, “Development and performance characteristics of a compact 28 J oscillator-amplifier Nd:phosphate glass laser system,” in Proceedings of the 20th DAE-BRNS National Laser Symposium, Anna University, Chennai, 9–12 Jan2012.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

Haynam, C. A.

Heestand, G. M.

Henesian, M. A.

Hermann, M. R.

Holmes, N. C.

Hoose, J.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Hopkins, R.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Hunt, J. T.

Iwan, L.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Izawa, Y.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Jacobs, S. D.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Jancaitis, K. S.

Johzaki, Y.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Kalantar, D.

Kalinchenko, G.

Katin, E. V.

Keane, C. J.

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

Kelly, J. H.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Khazanov, E. A.

Kirsanov, A. V.

Kitagawa, Y.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Kodama, R.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Korn, G.

Kozaki, Y.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Krushelnick, K.

Kumpan, S.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Le Garrec, B.

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

Letzring, S.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Levesque, J. P.

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

Lin, Z.

Y. Gao, B. Zhu, D. Liu, and Z. Lin, “Influences of the alignment and misalignment spatial filters on the beam quality in high power laser systems,” J. Opt. 12, 095704 (2010).
[CrossRef]

Lin, Z. Q.

Linford, G. J.

Litzer, K. D.

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

Liu, D.

Y. Gao, B. Zhu, D. Liu, and Z. Lin, “Influences of the alignment and misalignment spatial filters on the beam quality in high power laser systems,” J. Opt. 12, 095704 (2010).
[CrossRef]

Liu, D. Z.

Liu, X. F.

Lonobile, D.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Lowe-webb, R.

Lozhkarev, V. V.

Luchinin, G. A.

Lund, L. D.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

MacGowan, B. J.

Malkin, V. M.

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

Malshakov, A. N.

Manes, K. R.

Marshall, C. D.

Martyanov, M. A.

Mauel, M. E.

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

Maurer, D. A.

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

McCarville, T.

Mehta, N. C.

Menapace, J.

Milam, D.

Mima, K.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Miyanaga, N.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Moses, E.

Moses, E. I.

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

Mourou, G.

V. Yanovsky, G. Kalinchenko, P. Rousseau, V. Chvykov, G. Mourou, and K. Krushelnick, “Quasi-flat-top frequency-doubled Nd:glass laser for pumping of high-power Ti:sapphire amplifiers at a 0.1 Hz repetition rate,” Appl. Opt. 47, 1968–1972 (2008).
[CrossRef]

G. Mourou, T. Tajima, and S. V. Bulanov, “Optics in the relativistic regime,” Rev. Mod. Phys. 78, 309–371 (2006).
[CrossRef]

C. Y. Chien, G. Korn, J. S. Coe, J. Squier, G. Mourou, and R. S. Craxton, “Highly efficient second-harmonic generation of ultra-intense Nd:glass laser pulses,” Opt. Lett. 20, 353–355 (1995).
[CrossRef]

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun. 56, 219–221 (1985).
[CrossRef]

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Mourou, G. A.

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

Murray, J. E.

Murray, J. R.

Nagai, K.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Nagatomo, H.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Naik, P. A.

A. K. Sharma, D. Daiya, Sanyogita, P. A. Naik, and P. D. Gupta, “Development and performance characteristics of a compact 28 J oscillator-amplifier Nd:phosphate glass laser system,” in Proceedings of the 20th DAE-BRNS National Laser Symposium, Anna University, Chennai, 9–12 Jan2012.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

Nakai, M.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Nakao, Y.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Navratil, G. A.

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

Nelson, D.

Nishimura, H.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Norimatsu, T.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Nostrand, M. C.

Orth, C. D.

Palashov, O. V.

Patidar, R. K.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

Patterson, R.

Pearlman, J. S.

Pedersen, T. S.

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

Potemkin, A. K.

Poteomkin, A. K.

Raghuramaiah, M.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

Rathore, C. K.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

Refermat, S.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Remington, B. A.

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

Renard, P. A.

Rousseau, P.

Rukavishnikov, N. N.

Sacks, R. A.

Sakagami, H.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Salmon, T.

Sanyogita,

A. K. Sharma, D. Daiya, Sanyogita, P. A. Naik, and P. D. Gupta, “Development and performance characteristics of a compact 28 J oscillator-amplifier Nd:phosphate glass laser system,” in Proceedings of the 20th DAE-BRNS National Laser Symposium, Anna University, Chennai, 9–12 Jan2012.

Schinder, T.

Seka, W.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Sergeev, A. M.

Sharma, A. K.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

A. K. Sharma, D. Daiya, Sanyogita, P. A. Naik, and P. D. Gupta, “Development and performance characteristics of a compact 28 J oscillator-amplifier Nd:phosphate glass laser system,” in Proceedings of the 20th DAE-BRNS National Laser Symposium, Anna University, Chennai, 9–12 Jan2012.

Shaw, M. J.

Shaykin, A. A.

Shiraga, H.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Simmons, W. W.

Soures, J. M.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Spaeth, M.

Squier, J.

Strickland, D.

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun. 56, 219–221 (1985).
[CrossRef]

Sukharev, S. A.

Sutton, S. B.

Tajima, T.

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

G. Mourou, T. Tajima, and S. V. Bulanov, “Optics in the relativistic regime,” Rev. Mod. Phys. 78, 309–371 (2006).
[CrossRef]

Tanaka, K.

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

Toroker, Z.

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

Van Wonterghem, B. M.

Villanueva, J.

Wallace, R. J.

Walse, K.

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

Wang, Q.

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

Wang, Y.

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

Wegner, P. J.

White, R. K.

Widmayer, C. C.

Wilhelmsen, K.

Williams, W. H.

Xing, Q.

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

Yakovlev, I. V.

Yang, S. T.

Yanovsky, V.

Yashin, V. E.

Zhang, W.

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

Zhu, B.

Y. Gao, B. Zhu, D. Liu, and Z. Lin, “Influences of the alignment and misalignment spatial filters on the beam quality in high power laser systems,” J. Opt. 12, 095704 (2010).
[CrossRef]

Zhu, B. Q.

Appl. Opt. (11)

C. A. Haynam, P. J. Wegner, J. M. Auerbach, M. W. Bowers, S. N. Dixit, G. V. Erbert, G. M. Heestand, M. A. Henesian, M. R. Hermann, K. S. Jancaitis, K. R. Manes, C. D. Marshall, N. C. Mehta, J. Menapace, E. Moses, J. R. Murray, M. C. Nostrand, C. D. Orth, R. Patterson, R. A. Sacks, M. J. Shaw, M. Spaeth, S. B. Sutton, W. H. Williams, C. C. Widmayer, R. K. White, S. T. Yang, and B. M. Van Wonterghem, “National Ignition Facility laser performance status,” Appl. Opt. 46, 3276–3302 (2007).
[CrossRef]

S. C. Burkhart, E. Bliss, P. Di Nicola, D. Kalantar, R. Lowe-webb, T. McCarville, D. Nelson, T. Salmon, T. Schinder, J. Villanueva, and K. Wilhelmsen, “National Ignition Facility system alignment,” Appl. Opt. 50, 1136–1157(2011).
[CrossRef]

P. M. Celliers, K. G. Estabrook, R. J. Wallace, J. E. Murray, L. B. Da Silva, B. J. MacGowan, B. M. Van Wonterghem, and K. R. Manes, “Spatial filter pinhole for high-energy pulsed lasers,” Appl. Opt. 37, 2371–2378 (1998).
[CrossRef]

A. K. Potemkin, T. V. Barmashova, A. V. Kirsanov, M. A. Martyanov, E. A. Khazanov, and A. A. Shaykin, “Spatial filters for high-peak-power multistage laser amplifiers,” Appl. Opt. 46, 4423–4430 (2007).
[CrossRef]

J. E. Murray, D. Milam, C. D. Boley, K. G. Estabrook, and J. A. Caird, “Spatial filter pinhole development for the National Ignition Facility,” Appl. Opt. 39, 1405–1420 (2000).
[CrossRef]

J. T. Hunt, J. A. Glaze, W. W. Simmons, and P. A. Renard, “Suppression of self-focusing through low-pass spatial filtering and relay imaging,” Appl. Opt. 17, 2053–2057 (1978).
[CrossRef]

J. T. Hunt, P. A. Renard, and W. W. Simmons, “Improved performance of fusion lasers using the imaging properties of multiple spatial filters,” Appl. Opt. 16, 779–782 (1977).

Y. Q. Gao, B. Q. Zhu, D. Z. Liu, X. F. Liu, and Z. Q. Lin, “Characteristics of beam alignment in a high power four pass laser amplifier,” Appl. Opt. 48, 1591–1597 (2009).
[CrossRef]

J. S. Pearlman and J. P. Anthes, “Closure of pinholes under intense laser radiation,” Appl. Opt. 16, 2328–2331 (1977).
[CrossRef]

J. M. Auerbach, N. C. Holmes, J. T. Hunt, and G. J. Linford, “Closure phenomenon in pinholes irradiated by Nd laser pulses,” Appl. Opt. 18, 2495–2499 (1979).
[CrossRef]

V. Yanovsky, G. Kalinchenko, P. Rousseau, V. Chvykov, G. Mourou, and K. Krushelnick, “Quasi-flat-top frequency-doubled Nd:glass laser for pumping of high-power Ti:sapphire amplifiers at a 0.1 Hz repetition rate,” Appl. Opt. 47, 1968–1972 (2008).
[CrossRef]

Fusion Sci. Technol. (1)

K. Mima, H. Azechi, Y. Johzaki, Y. Kitagawa, R. Kodama, Y. Kozaki, N. Miyanaga, K. Nagai, H. Nagatomo, M. Nakai, H. Nishimura, T. Norimatsu, H. Shiraga, K. Tanaka, Y. Izawa, Y. Nakao, and H. Sakagami, “Present status of fast ignition research and prospects of FIREX project,” Fusion Sci. Technol. 47, 662–666 (2005).

IEEE J. Quantum Electron. (1)

J. Bunkenberg, J. Boles, D. C. Brown, J. Eastman, J. Hoose, R. Hopkins, L. Iwan, S. D. Jacobs, J. H. Kelly, S. Kumpan, S. Letzring, D. Lonobile, L. D. Lund, G. Mourou, S. Refermat, W. Seka, J. M. Soures, and K. Walse, “The omega high-power phosphate-glass system: design and performance,” IEEE J. Quantum Electron. 17, 1620–1628 (1981).
[CrossRef]

J. Opt. (1)

Y. Gao, B. Zhu, D. Liu, and Z. Lin, “Influences of the alignment and misalignment spatial filters on the beam quality in high power laser systems,” J. Opt. 12, 095704 (2010).
[CrossRef]

Opt. Commun. (2)

G. A. Mourou, N. J. Fisch, V. M. Malkin, Z. Toroker, E. A. Khazanov, A. M. Sergeev, T. Tajima, and B. Le Garrec, “Exawatt-Zettawatt pulse generation and applications,” Opt. Commun. 285, 720–724 (2012).
[CrossRef]

D. Strickland and G. Mourou, “Compression of amplified chirped optical pulses,” Opt. Commun. 56, 219–221 (1985).
[CrossRef]

Opt. Express (1)

Opt. Laser Technol. (1)

W. Zhang, Y. Wang, L. Chai, Q. Xing, and Q. Wang, “Suppression of amplified spontaneous emission in a femtosecond chirped pulse amplifier,” Opt. Laser Technol. 31, 425–430 (1999).
[CrossRef]

Opt. Lett. (1)

Phys. Plasmas (1)

E. I. Moses, R. N. Boyd, B. A. Remington, C. J. Keane, and R. Al-Ayat, “The National Ignition Facility: ushering in a new age for high energy density science,” Phys. Plasmas 16, 041006 (2009).
[CrossRef]

Rev. Mod. Phys. (1)

G. Mourou, T. Tajima, and S. V. Bulanov, “Optics in the relativistic regime,” Rev. Mod. Phys. 78, 309–371 (2006).
[CrossRef]

Rev. Sci. Instrum. (1)

J. P. Levesque, K. D. Litzer, M. E. Mauel, D. A. Maurer, G. A. Navratil, and T. S. Pedersen, “A high power spatial filter for Thomson scattering stray light reduction,” Rev. Sci. Instrum. 82, 033501 (2011).
[CrossRef]

Other (2)

A. K. Sharma, D. Daiya, Sanyogita, P. A. Naik, and P. D. Gupta, “Development and performance characteristics of a compact 28 J oscillator-amplifier Nd:phosphate glass laser system,” in Proceedings of the 20th DAE-BRNS National Laser Symposium, Anna University, Chennai, 9–12 Jan2012.

M. Raghuramaiah, A. K. Sharma, D. Daiya, C. K. Rathore, R. K. Patidar, P. A. Naik, and P. D. Gupta, “Development of Faraday rotator based large aperture double pass Nd:phosphate glass laser amplifier for high power laser system,” in Proceedings of the 21st DAE-BRNS National Laser Symposium, Bhabha Atomic Research Center, Mumbai, 6–9 Feb2013.

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Figures (9)

Fig. 1.
Fig. 1.

Evolution of the beam diameter along the SF cum image relay system.

Fig. 2.
Fig. 2.

Laser beam spatial profile at a distance of 20 m propagation distance through the image relay system for a misaligned pinhole of 0.8 mm diameter. The horizontal and vertical misalignments δX and δY are marked on the top and left side for each row and column. The size of the screen is marked in the top left image.

Fig. 3.
Fig. 3.

Laser beam spatial profile at a distance of 20 m propagation through an image relay system for an elliptical beam with beam diameter (e2 points) 30 mm along the horizontal and 20 mm along the vertical direction. (a) Aligned pinhole, (b) misaligned pinhole with δy=0.35mm, (c) misaligned pinhole with δy=0.3mm, and (d) misaligned pinhole with δy=0.4mm. The diameter of the pinhole is 0.8 mm and δX is zero in all the four cases. The size of the screen is marked in the top left image.

Fig. 4.
Fig. 4.

Laser beam spatial profile at a distance of 12 m propagation through an image relay system for different spatial positions of the pinhole. The horizontal and vertical misalignments δX and δY are marked on the top and left side for each column and row. While the diameter of the pinhole is 4 mm, the diameter of the black dot mask is 2 mm in the present calculations. The size of each image screen is 50mm×50mm. The laser beam diameter (e2 points) is 40 mm. The asymmetry in the diffraction pattern is visually seen even in the case of the center of the pinhole off with the beam axis by 10% its diameter.

Fig. 5.
Fig. 5.

Initial (left column) and the propagated beam profiles at a distance of 12 m corresponding to aligned pinhole (middle column) and misaligned pinhole with δX=1mm (right column), for different spatial positions of the diffracting element. The diameter of the pinhole was 4 mm and diameter of the black dot (diffracting element) was 2 mm. The size of the screen is marked in the top left image.

Fig. 6.
Fig. 6.

Initial beam profile with intensity masks of different diameters (top row). The propagated beam profiles at a distance of 12 m, corresponding to aligned pinholes of 4 mm diameter (middle row) and of 2 mm diameter (bottom row). The size of the screen is marked in the left image of each row.

Fig. 7.
Fig. 7.

Laser beam spatial profiles at a distance of 4 m propagation through image relay system for different spatial positions of the pinhole. The horizontal and vertical misalignment δX and δY are marked on top and left side for each column and row. The diameter of the pinhole was 2.25 mm, while the diameter of the intensity mask causing diffraction (kept at 50 cm before first lens of SF) was 0.2mm.

Fig. 8.
Fig. 8.

Laser beam spatial profiles at a distance of 4 m for vertically and horizontally misaligned pinholes (diameter 2.25 mm, pinhole offset 0.4 mm) corresponding to an off-centered intensity mask. While the images in the left column are with positive offset, the images in the right column are with negative offset of the pinhole.

Fig. 9.
Fig. 9.

Laser beam spatial profiles after vacuum SF of a 40 J Nd:phosphate glass laser system corresponding to (a) the misaligned and (b) the aligned pinholes. The cut in the spatial beam profile on right hand side is due to damaged optics in the laser system.

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