Aspherical wavefront shaping with combined computer generated holograms

Alexander G. Poleshchyk; Ruslan K. Nasyrov

doi:10.1117/1.OE.52.9.091709

7 March 2013 Aspherical wavefront shaping with combined computer generated holograms

Alexander G. Poleshchyk, Ruslan K. Nasyrov

Author Affiliations +

Optical Engineering, Vol. 52, Issue 9, 091709 (March 2013). https://doi.org/10.1117/1.OE.52.9.091709

Abstract

The problem of metrological standards development for aspherical wavefronts is discussed. A method for aspherical wavefront shaping by means of combined (or twin, multiplexed) computer generated hologram (CCGH) is presented. The CCGH reconstructs two wavefronts: the first one is used for calibration of the second one by means of a Fizeau interferometer and a highly reflective flat reference surface. Different CCGH encoding methods are discussed. The design of a CCGH with subaperture division in the shape of angular sectors is presented. The absence of cross-talk errors in both wavefronts was demonstrated experimentally.

Citation Download Citation

Alexander G. Poleshchyk and Ruslan K. Nasyrov "Aspherical wavefront shaping with combined computer generated holograms," Optical Engineering 52(9), 091709 (7 March 2013). https://doi.org/10.1117/1.OE.52.9.091709

Published: 7 March 2013

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