Multi-focal imaging system by using a programmable spatial light modulator

Chen Yen Lin; Ju Hsuan Chieh; Yuan Luo

doi:10.1117/12.2316609

24 April 2018 Multi-focal imaging system by using a programmable spatial light modulator

Chen Yen Lin, Ju Hsuan Chieh, Yuan Luo

Proceedings Volume 10711, Biomedical Imaging and Sensing Conference; 107111P (2018) https://doi.org/10.1117/12.2316609
Event: SPIE Structured Light, 2018, Yokohama, Japan

Abstract

The multi-focal imaging system is implemented with a spatial light modulator (SLM) placed at the Fourier plane of the system. The multiplexed grating pattern displayed on the SLM can modify the wavefront of the incoming light and compensate aberrations existing in the system. We demonstrate the multiplexed grating pattern displayed on the SLM can acquire 25 images in a short time sequence by acquiring 9 images at different depths simultaneously in each exposure. We compare and discuss the advantages and disadvantages between the digital micro-mirror device (DMD) with the liquid crystal spatial light modulator (LC-SLM) based on the theory and experimental results.

Citation Download Citation

Chen Yen Lin, Ju Hsuan Chieh, and Yuan Luo "Multi-focal imaging system by using a programmable spatial light modulator", Proc. SPIE 10711, Biomedical Imaging and Sensing Conference, 107111P (24 April 2018); https://doi.org/10.1117/12.2316609

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