Optical phase association beyond memory effect in weak scattering media

Shu. Guo; Lin Pang

doi:10.1117/12.2608328

3 March 2022 Optical phase association beyond memory effect in weak scattering media

Shu. Guo, Lin Pang

Author Affiliations +

Proceedings Volume 12026, Practical Holography XXXVI: Displays, Materials, and Applications; 120260D (2022) https://doi.org/10.1117/12.2608328
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Imaging through biological tissues requires fast retrieval of beam scanning. Regarding this purpose, the angular memory effect (AME) is a classical optical effect studied and widely applied. However, the imaging range of AME is confined, which relies on the thickness or scattering mean free path of scattering media. To break the finite imaging boundary, we numerically exploit the phase relation in transmission matrix (TM) of weak scattering media, from which a higher-order phase relation named optical phase association (OPA) extends beyond AME. Furthermore, we found that the OPA could enable uniform light focusing across output channels through weak scattering media in simulation. We believe the optical phase association would improve the imaging approaches such as confocal imaging and speckle autocorrelation.

Conference Presentation

Citation Download Citation

Shu. Guo and Lin Pang "Optical phase association beyond memory effect in weak scattering media", Proc. SPIE 12026, Practical Holography XXXVI: Displays, Materials, and Applications, 120260D (3 March 2022); https://doi.org/10.1117/12.2608328

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