Polarization reconstruction with a digital micro-mirror device

K. Singh; I. Nape; A. Manthalkar; N. Tabebordbar; C. Rosales-Guzmán; S. Bhattacharya; A. Forbes; A. Dudley

doi:10.1117/12.2571060

20 August 2020 Polarization reconstruction with a digital micro-mirror device

K. Singh, I. Nape, A. Manthalkar, N. Tabebordbar, C. Rosales-Guzmán, S. Bhattacharya, A. Forbes, A. Dudley

Proceedings Volume 11486, Laser Beam Shaping XX; 1148609 (2020) https://doi.org/10.1117/12.2571060
Event: SPIE Optical Engineering + Applications, 2020, Online Only

Abstract

In this work, Stokes polarimetery is used to extract the polarization structure of optical fields from only four measurements as opposed to the usual six measurements. Here, instead of using static polarization optics, we develop an all-digital technique by implementing a Polarization Grating (PG) which projects a mode into left- and right-circular states which are subsequently directed to a Digital Micromirror Device (DMD) which imparts a phase retardance for full polarization acquisition. We apply our approach in real-time to reconstruct the State of Polarization (SoP) and intra-modal phase of optical modes.

Conference Presentation

Citation Download Citation

K. Singh, I. Nape, A. Manthalkar, N. Tabebordbar, C. Rosales-Guzmán, S. Bhattacharya, A. Forbes, and A. Dudley "Polarization reconstruction with a digital micro-mirror device", Proc. SPIE 11486, Laser Beam Shaping XX, 1148609 (20 August 2020); https://doi.org/10.1117/12.2571060

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