Simultaneous control of 3D volume speckle field and 3D holography through biological tissue

Amit Kumar; Sarvesh Thakur; S. K. Biswas

doi:10.1117/12.2650600

16 March 2023 Simultaneous control of 3D volume speckle field and 3D holography through biological tissue

Amit Kumar, Sarvesh Thakur, S. K. Biswas

Proceedings Volume 12388, Adaptive Optics and Wavefront Control for Biological Systems IX; 1238806 (2023) https://doi.org/10.1117/12.2650600
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Formation of complex light structures and three-dimensional complex holography through turbid media is a challenging task due to random variation in refractive index, scattering of light, and formation of speckle noise field. We present a binary phase based FLC-SLM in binary mode assisted GA algorithm where the R-squared optimization function is introduced for wavefront shaping. An advanced system design has been developed from scratch with FLC-SLM (ferroelectric liquid crystal spatial light modulator) and dual camera to construct multiple complex structures simultaneously in 3D volume independently without any co-linearity. The formation of multiple complex structures simultaneously in 3D volume has been demonstrated with our prototype system using fresh chicken tissue of thickness 612 µm as well as a 220 grit ground glass diffuser.

Conference Presentation

Citation Download Citation

Amit Kumar, Sarvesh Thakur, and S. K. Biswas "Simultaneous control of 3D volume speckle field and 3D holography through biological tissue", Proc. SPIE 12388, Adaptive Optics and Wavefront Control for Biological Systems IX, 1238806 (16 March 2023); https://doi.org/10.1117/12.2650600

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