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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 26 — Dec. 26, 2005
  • pp: 10749–10753

Thermo-optically driven adaptive mirror based on thermal expansion: preparation and resolution

F. Reinert and W. Lüthy  »View Author Affiliations


Optics Express, Vol. 13, Issue 26, pp. 10749-10753 (2005)
http://dx.doi.org/10.1364/OPEX.13.010749


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Abstract

A thermo-optically driven adaptive mirror is presented. It is based on the thermal expansion of a thin film heated with a light pattern. We describe a procedure for the preparation of a silicon elastomer with a high-quality optical surface. This material, Sylgard 184, has a high linear thermal expansion coefficient of 3.1∙10-4 K-1. Surface modulations are recorded in an interferometer. Modulations of 350 nm result at an intensity of 370 mW/cm2. The resolution is measured with a line pattern. The contrast drops to 30 % at 1.6 line pairs per millimeter (lp/mm).

© 2005 Optical Society of America

OCIS Codes
(010.1080) Atmospheric and oceanic optics : Active or adaptive optics
(140.3300) Lasers and laser optics : Laser beam shaping
(160.6840) Materials : Thermo-optical materials
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Research Papers

Citation
Felix Reinert and W. Lüthy, "Thermo-optically driven adaptive mirror based on thermal expansion: preparation and resolution," Opt. Express 13, 10749-10753 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-26-10749


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References

  1. G. Vdovin, M. Loktev, "Deformable mirror with thermal actuators," Opt. Lett. 27, 677-679 (2002). [CrossRef]
  2. D. Michel, Th. Graf, H. J. Glur, W. Lüthy and H. P. Weber, "Thermo-Optically Driven Adaptive Mirror For Laser Applications," Appl. Phys. B-Lasers Opt. 79, 721-724 (2004). [CrossRef]
  3. F. Reinert, Th. Graf, W. Lüthy, and H.P. Weber, "Optically controlled Adaptive Mirror," Laser Phys. Lett. 1, 551-554 (2004). [CrossRef]
  4. F. Reinert, M. Gerber, Th. Graf, and W. Lüthy, "Laser Resonator with a thermo-optically driven Adaptive Mirror," in Proceedings of Advanced Solid State Photonics, TOPS 98, (2005).
  5. William D. Callister, Jr., Fundamentals of Materials Science and Engineering: an integrated approach, (Wiley 2nd ed. 2005).
  6. M. Hipp, P. Reiterer, User manual for IDEA 1.7, (Institut für Experimental Physik, Technische Universität Graz 1999).

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