Exploiting digital micromirror device for holographic micro-endoscopy

Sergey Turtaev; Ivo T. Leite; Kevin J. Mitchell; Miles J. Padgett; David B. Phillips; Tomáš Čižmár

doi:10.1117/12.2509429

4 March 2019 Exploiting digital micromirror device for holographic micro-endoscopy

Sergey Turtaev, Ivo T. Leite, Kevin J. Mitchell, Miles J. Padgett, David B. Phillips, Tomáš Čižmár

Proceedings Volume 10932, Emerging Digital Micromirror Device Based Systems and Applications XI; 1093203 (2019) https://doi.org/10.1117/12.2509429
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Digital micro-mirror devices (DMDs) have recently emerged as practical spatial light modulators (SLMs) for applications in photonics, primarily due to their modulation rates, which exceed by several orders of magnitude those of the already well-established nematic liquid crystal (LC)-based SLMs. This, however, comes at the expense of limited modulation depth and diffraction efficiency. Here we compare the beam-shaping fidelity of both technologies when applied to light control in complex environments, including an aberrated optical system, a highly scattering layer and a multimode optical fibre. We show that, despite their binary amplitudeonly modulation, DMDs are capable of higher beam-shaping fidelity compared to LC-SLMs in all considered regimes.

Citation Download Citation

Sergey Turtaev, Ivo T. Leite, Kevin J. Mitchell, Miles J. Padgett, David B. Phillips, and Tomáš Čižmár "Exploiting digital micromirror device for holographic micro-endoscopy", Proc. SPIE 10932, Emerging Digital Micromirror Device Based Systems and Applications XI, 1093203 (4 March 2019); https://doi.org/10.1117/12.2509429

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