High-speed wavefront modulation in complex media (Conference Presentation)

Sergey Turtaev; Ivo T. Leite; Tomáš Cizmár

doi:10.1117/12.2253151

24 April 2017 High-speed wavefront modulation in complex media (Conference Presentation)

Sergey Turtaev, Ivo T. Leite, Tomáš Cizmár

Proceedings Volume 10073, Adaptive Optics and Wavefront Control for Biological Systems III; 1007313 (2017) https://doi.org/10.1117/12.2253151
Event: SPIE BiOS, 2017, San Francisco, California, United States

Abstract

Using spatial light modulators(SLM) to control light propagation through scattering media is a critical topic for various applications in biomedical imaging, optical micromanipulation, and fibre endoscopy. Having limited switching rate, typically 10-100Hz, current liquid-crystal SLM can no longer meet the growing demands of high-speed imaging. A new way based on binary-amplitude holography implemented on digital micromirror devices(DMD) has been introduced recently, allowing to reach refreshing rates of 30kHz. Here, we summarise the advantages and limitations in speed, efficiency, scattering noise, and pixel cross-talk for each device in ballistic and diffusive regimes, paving the way for high-speed imaging through multimode fibres.

Conference Presentation

Citation Download Citation

Sergey Turtaev, Ivo T. Leite, and Tomáš Cizmár "High-speed wavefront modulation in complex media (Conference Presentation)", Proc. SPIE 10073, Adaptive Optics and Wavefront Control for Biological Systems III, 1007313 (24 April 2017); https://doi.org/10.1117/12.2253151

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