Study on four-step computer-generated hologram with same diffraction efficiency of the zeroth and first order

Jianfeng Ren; Peiji Guo

doi:10.1117/1.3605314

1 August 2011 Study on four-step computer-generated hologram with same diffraction efficiency of the zeroth and first order

Jianfeng Ren, Peiji Guo

Author Affiliations +

Optical Engineering, Vol. 50, Issue 8, 085801 (August 2011). https://doi.org/10.1117/1.3605314

Abstract

A type of computer-generated hologram (CGH) with 4-step microstructure is designed based on diffraction theory. Results show that this CGH has almost the same diffraction efficiency at zeroth diffractive order and positive first diffractive order, which are 38.51% and 38.04%, respectively, and the intensity of these two beams is 76.55% of incident beam. This type of 4-step CGH can be used in an off-axis convex aspherical mirror interferometric system with double CGHs, while the signal-to-noise ratio (SNR) of the interferogram is high enough.

©(2011) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Jianfeng Ren and Peiji Guo "Study on four-step computer-generated hologram with same diffraction efficiency of the zeroth and first order," Optical Engineering 50(8), 085801 (1 August 2011). https://doi.org/10.1117/1.3605314

Published: 1 August 2011

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