Femtosecond digital holography based on spatial light modulator

Xiaowei Lu; Jingzhen Li; Hongyi Chen

doi:10.1117/12.2036988

31 December 2013 Femtosecond digital holography based on spatial light modulator

Xiaowei Lu, Jingzhen Li, Hongyi Chen

Proceedings Volume 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments; 904212 (2013) https://doi.org/10.1117/12.2036988
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

A high-speed digital holography based on a liquid crystal Spatial Light Modulator (LC-SLM) is presented. The production of multi-beam and control of their delay time can be achieved by controllable wavefront coding theory. In this paper, a Dammann phase grating was designed using a SLM to product multi-beam for extremely high speed digital holographic imaging. The required beam deflection could be obtained by adjusting programmable phase mask for controlling the spatial diffraction of input beam. The framing time is decided by interval beam angles and the distances between input plane and record plane. Theoretical derivate of generation multi beams based on SLM was proposed, and phase recover software was also made.

Citation Download Citation

Xiaowei Lu, Jingzhen Li, and Hongyi Chen "Femtosecond digital holography based on spatial light modulator", Proc. SPIE 9042, 2013 International Conference on Optical Instruments and Technology: Optical Systems and Modern Optoelectronic Instruments, 904212 (31 December 2013); https://doi.org/10.1117/12.2036988

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