Image projection through a multimode fiber with reference-lessly retrieved transmission matrix

Jingshan Zhong; Zhong Wen; Quanzhi Li; Qilin Deng; Qing Yang

doi:10.1117/12.3002043

12 March 2024 Image projection through a multimode fiber with reference-lessly retrieved transmission matrix

Jingshan Zhong, Zhong Wen, Quanzhi Li, Qilin Deng, Qing Yang

Proceedings Volume 12848, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXXI; 128480C (2024) https://doi.org/10.1117/12.3002043
Event: SPIE BiOS, 2024, San Francisco, California, United States

Abstract

Image projection through a multimode fiber (MMF) or scattering media has applications ranging from optogenetics to near eye-displays. It requires developing computer-generated holography algorithm to obtain phase pattern of spatial light modulator. In order to accurately project light, conventional methods measured the transmission matrix (TM) of the imaging system by interference. However, it is sensitive to phase instability, easily caused by thermal drift and mechanical vibration. In this work, we proposed to use the TM retrieved from intensity-only measurements and develop a nonlinear optimization algorithm to obtain the displayed phase patterns. Our method formulates the forward model with the retrieved TM, derives the analytical derivative and adopts a second-order optimization method. We validate the improved quality of the projected intensity image by an experiment setup with a MMF.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jingshan Zhong, Zhong Wen, Quanzhi Li, Qilin Deng, and Qing Yang "Image projection through a multimode fiber with reference-lessly retrieved transmission matrix", Proc. SPIE 12848, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XXXI, 128480C (12 March 2024); https://doi.org/10.1117/12.3002043

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