Theoretical and experimental evaluation of array illuminators for large-aperture phase-only spatial light modulators

Kashiko Kodate; Werner Klaus; M. Kanamori; Shigeru Morokawa; Takeshi Kamiya

doi:10.1117/12.215312

27 July 1995 Theoretical and experimental evaluation of array illuminators for large-aperture phase-only spatial light modulators

Kashiko Kodate, Werner Klaus, M. Kanamori, Shigeru Morokawa, Takeshi Kamiya

Author Affiliations +

Proceedings Volume 2577, International Conference on Applications of Optical Holography; (1995) https://doi.org/10.1117/12.215312
Event: International Conferences on Optical Fabrication and Testing and Applications of Optical Holography, 1995, Tokyo, Japan

Abstract

We designed a new type of array illuminator based on the Talbot effect to optimize the optical throughput of large-aperture phase-only spatial light modulators. The illuminator consists of a three-level phase relief and produces an intensity distribution with a duty cycle of 80%. To investigate both near and far field, we formulated an algorithm using the Fresnel-Kirchhoff diffraction formula and computed intensity and phase patterns. A tolerance analysis on typical fabrication errors and their effects on the optical throughput is presented.

Citation Download Citation

Kashiko Kodate, Werner Klaus, M. Kanamori, Shigeru Morokawa, and Takeshi Kamiya "Theoretical and experimental evaluation of array illuminators for large-aperture phase-only spatial light modulators", Proc. SPIE 2577, International Conference on Applications of Optical Holography, (27 July 1995); https://doi.org/10.1117/12.215312

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