Abstract

Adaptive optics (AO) has been applied in various fields including astronomy, ophthalmology and high power laser systems. An adaptive optics system for a high power laser is not significantly different from other AO systems in the point of configuration except that high energy absorbed by the deformable mirror distorts the deformable mirror surface and so degrades system performance. Currently we are researching a bimorph deformable mirror for beam cleaning of a high power class laser. The bimorph mirror was considered to have 99% reflective coating and 1% absorption. So this paper first presents the temperature profiles and corresponding thermal distortions of the bimorph mirror faceplate when the mirror is under a high power lasing for 10 seconds. The analysis was accomplished by the use of finite difference and finite element computer programs to generate the element arrays, calculate the temperature profiles, and determine the structural deformations. Then this paper proposes an 'embedded wafer' type water-cooling system with derived cooling parameters.

© 2006 Optical Society of Korea

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  1. J. M. Beckers, "Adaptive Optics for Astronomy: Prin-ciples, Performance and Applications," Annual Review of Astronomy and Astrophysics, vol. 31, pp. 13-22, 1993
    [CrossRef]
  2. A. V. Kudryashov and V. V. Samarkin, "Control of high power <TEX>$C0_2$</TEX> laser beam by adaptive optical elements," Optics Communication, vol. 118, pp. 317-322, 1995
    [CrossRef]
  3. J. L. Gargasson, M. Glanc, and P. Lena, "Retinal Imaging with adaptive optics," C.R. Acad. Sci. Paris., t.2, Serie IV, pp. 1131-1138, 2001
    [CrossRef]
  4. S. Arnon and N. S. Kopeika, "Adaptive optical transmitter and receiver for space communication through thin clouds," Applied Optics, vol. 36, no. 9, pp. 1987-1993, 1997
    [CrossRef]
  5. Z. Kam, B. Hanser, M. G. L. Gustafsson, D. A. Agard, and J. W. Sedat, "Computational adaptive optics for live three-dimensional biological imaging," PNAS, vol. 98, no. 7, pp. 3790-3795, 2001
    [CrossRef]
  6. M. L. Holohan and J. C. Dainty, "Low-order adaptive optics: a possible use in underwater imaging?," Optics & Laser Technology, vol. 29, no. 1, pp. 51-55, 1997
    [CrossRef]
  7. E. J. Szetela and A. I. Chalfant, "Thermal distortion of mirrors," Thermochimica Acta, vol. 26, pp. 191-197, 1978
    [CrossRef]
  8. C. A. Klein, "High-Power CW Laser Windows: Edge-Cooled or Face-Cooled?," Proc. SPIE, vol. 1739, pp. 230-253, 1992
    [CrossRef]
  9. M. A. Ealey and A. Wellman, "Cooled ISOFLOW laser mirrors," Proc. SPIE, vol. 1739, pp. 374-382, 1993
    [CrossRef]
  10. Y. Li, A. M. Khounsary, J. Maser, and S. Nair, "Cooled mirror for a double-undulator beamline," Proc. SPIE, vol. 5193, pp. 204-210, 2004
    [CrossRef]
  11. A. G. Safronov, "Controllable bimorph optics based on piezoelectric structures," Ph. D. thesis, General Physics Institute of Russian Academy of Sciences, 1995
  12. A. G. Safronov, B. S. Vinevitch, and V. M. Zharikov, "Controllable curvature mirrors for laser techniques", Proc. SPIE, vol. 3686, pp. 16-25, 1999
    [CrossRef]
  13. M.A.Vorontsov, G.M.Izakson, A.V.Kudryashov, G.A. Kosheleva, S.I.Nazarkin, Yu.F.Suslov, and V.I.Shmalgauzen, "Adaptive cooled mirror for the resonator of an industrial laser," Sov. J. of Quantum Electron., vol. 15, p. 888, 1985
    [CrossRef]
  14. J.H. Lee, Y.C. Lee, and H. J. Cheon, "A circular bimorph deformable mirror for circular/annulus/square laser beam compensation," J. Opt. Soc. Korea, vol. 10, no. 1, pp. 23-27, 2006
    [CrossRef]
  15. Jun Ho Lee, Tae-Kyung Uhm, and Sung Kie Young, "First-Order Analysis of Thin-Plate Deformable Mirrors," J. Kor. Phys. Soc., vol. 44, no. 6, pp. 1412-1416, 2004
  16. F. Incropera and D. P. De Witt, Introduction to Heat Transfer, John Wiley & Sons, 2nd Ed., 1990

2006 (1)

J.H. Lee, Y.C. Lee, and H. J. Cheon, "A circular bimorph deformable mirror for circular/annulus/square laser beam compensation," J. Opt. Soc. Korea, vol. 10, no. 1, pp. 23-27, 2006
[CrossRef]

2004 (2)

Jun Ho Lee, Tae-Kyung Uhm, and Sung Kie Young, "First-Order Analysis of Thin-Plate Deformable Mirrors," J. Kor. Phys. Soc., vol. 44, no. 6, pp. 1412-1416, 2004

Y. Li, A. M. Khounsary, J. Maser, and S. Nair, "Cooled mirror for a double-undulator beamline," Proc. SPIE, vol. 5193, pp. 204-210, 2004
[CrossRef]

2001 (2)

J. L. Gargasson, M. Glanc, and P. Lena, "Retinal Imaging with adaptive optics," C.R. Acad. Sci. Paris., t.2, Serie IV, pp. 1131-1138, 2001
[CrossRef]

Z. Kam, B. Hanser, M. G. L. Gustafsson, D. A. Agard, and J. W. Sedat, "Computational adaptive optics for live three-dimensional biological imaging," PNAS, vol. 98, no. 7, pp. 3790-3795, 2001
[CrossRef]

1999 (1)

A. G. Safronov, B. S. Vinevitch, and V. M. Zharikov, "Controllable curvature mirrors for laser techniques", Proc. SPIE, vol. 3686, pp. 16-25, 1999
[CrossRef]

1997 (2)

M. L. Holohan and J. C. Dainty, "Low-order adaptive optics: a possible use in underwater imaging?," Optics & Laser Technology, vol. 29, no. 1, pp. 51-55, 1997
[CrossRef]

S. Arnon and N. S. Kopeika, "Adaptive optical transmitter and receiver for space communication through thin clouds," Applied Optics, vol. 36, no. 9, pp. 1987-1993, 1997
[CrossRef]

1995 (2)

A. V. Kudryashov and V. V. Samarkin, "Control of high power <TEX>$C0_2$</TEX> laser beam by adaptive optical elements," Optics Communication, vol. 118, pp. 317-322, 1995
[CrossRef]

A. G. Safronov, "Controllable bimorph optics based on piezoelectric structures," Ph. D. thesis, General Physics Institute of Russian Academy of Sciences, 1995

1993 (3)

J. M. Beckers, "Adaptive Optics for Astronomy: Prin-ciples, Performance and Applications," Annual Review of Astronomy and Astrophysics, vol. 31, pp. 13-22, 1993
[CrossRef]

C. A. Klein, "High-Power CW Laser Windows: Edge-Cooled or Face-Cooled?," Proc. SPIE, vol. 1739, pp. 230-253, 1992
[CrossRef]

M. A. Ealey and A. Wellman, "Cooled ISOFLOW laser mirrors," Proc. SPIE, vol. 1739, pp. 374-382, 1993
[CrossRef]

1990 (1)

F. Incropera and D. P. De Witt, Introduction to Heat Transfer, John Wiley & Sons, 2nd Ed., 1990

1985 (1)

M.A.Vorontsov, G.M.Izakson, A.V.Kudryashov, G.A. Kosheleva, S.I.Nazarkin, Yu.F.Suslov, and V.I.Shmalgauzen, "Adaptive cooled mirror for the resonator of an industrial laser," Sov. J. of Quantum Electron., vol. 15, p. 888, 1985
[CrossRef]

1978 (1)

E. J. Szetela and A. I. Chalfant, "Thermal distortion of mirrors," Thermochimica Acta, vol. 26, pp. 191-197, 1978
[CrossRef]

Annual Review of Astronomy and Astrophysics (1)

J. M. Beckers, "Adaptive Optics for Astronomy: Prin-ciples, Performance and Applications," Annual Review of Astronomy and Astrophysics, vol. 31, pp. 13-22, 1993
[CrossRef]

Applied Optics (1)

S. Arnon and N. S. Kopeika, "Adaptive optical transmitter and receiver for space communication through thin clouds," Applied Optics, vol. 36, no. 9, pp. 1987-1993, 1997
[CrossRef]

Comptes Rendus de l’Académie des Sciences - Series IV - Physics (1)

J. L. Gargasson, M. Glanc, and P. Lena, "Retinal Imaging with adaptive optics," C.R. Acad. Sci. Paris., t.2, Serie IV, pp. 1131-1138, 2001
[CrossRef]

J. Kor. Phys. Soc. (1)

Jun Ho Lee, Tae-Kyung Uhm, and Sung Kie Young, "First-Order Analysis of Thin-Plate Deformable Mirrors," J. Kor. Phys. Soc., vol. 44, no. 6, pp. 1412-1416, 2004

Journal of the Optical Society of Korea (1)

J.H. Lee, Y.C. Lee, and H. J. Cheon, "A circular bimorph deformable mirror for circular/annulus/square laser beam compensation," J. Opt. Soc. Korea, vol. 10, no. 1, pp. 23-27, 2006
[CrossRef]

Optics & Laser Technology (1)

M. L. Holohan and J. C. Dainty, "Low-order adaptive optics: a possible use in underwater imaging?," Optics & Laser Technology, vol. 29, no. 1, pp. 51-55, 1997
[CrossRef]

Optics Communications (1)

A. V. Kudryashov and V. V. Samarkin, "Control of high power <TEX>$C0_2$</TEX> laser beam by adaptive optical elements," Optics Communication, vol. 118, pp. 317-322, 1995
[CrossRef]

PNAS (1)

Z. Kam, B. Hanser, M. G. L. Gustafsson, D. A. Agard, and J. W. Sedat, "Computational adaptive optics for live three-dimensional biological imaging," PNAS, vol. 98, no. 7, pp. 3790-3795, 2001
[CrossRef]

Proc. SPIE (3)

C. A. Klein, "High-Power CW Laser Windows: Edge-Cooled or Face-Cooled?," Proc. SPIE, vol. 1739, pp. 230-253, 1992
[CrossRef]

Y. Li, A. M. Khounsary, J. Maser, and S. Nair, "Cooled mirror for a double-undulator beamline," Proc. SPIE, vol. 5193, pp. 204-210, 2004
[CrossRef]

A. G. Safronov, B. S. Vinevitch, and V. M. Zharikov, "Controllable curvature mirrors for laser techniques", Proc. SPIE, vol. 3686, pp. 16-25, 1999
[CrossRef]

Proc. SPIE, High Heat Flux Engineering (1)

M. A. Ealey and A. Wellman, "Cooled ISOFLOW laser mirrors," Proc. SPIE, vol. 1739, pp. 374-382, 1993
[CrossRef]

Soviet Journal of Quantum Electronics (1)

M.A.Vorontsov, G.M.Izakson, A.V.Kudryashov, G.A. Kosheleva, S.I.Nazarkin, Yu.F.Suslov, and V.I.Shmalgauzen, "Adaptive cooled mirror for the resonator of an industrial laser," Sov. J. of Quantum Electron., vol. 15, p. 888, 1985
[CrossRef]

Thermochimica Acta (1)

E. J. Szetela and A. I. Chalfant, "Thermal distortion of mirrors," Thermochimica Acta, vol. 26, pp. 191-197, 1978
[CrossRef]

Other (2)

A. G. Safronov, "Controllable bimorph optics based on piezoelectric structures," Ph. D. thesis, General Physics Institute of Russian Academy of Sciences, 1995

F. Incropera and D. P. De Witt, Introduction to Heat Transfer, John Wiley & Sons, 2nd Ed., 1990

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