Modified Strehl ratio for quantitative evaluation of speckle development

Authors

  • Cyrill Hope Tungpalan Depasucat National Institute of Physics, University of the Philippines Diliman
  • Percival Almoro National Institute of Physics, University of the Philippines Diliman

Abstract

Conventional Strehl method uses intensity ratio to evaluate aberrations on lens-based systems under plane wave illumination. Here we present a technique based on the Strehl method to evaluate the development of diffuse light or speckle pattern. A model for the proposed speckle evaluation technique is presented. The effectiveness of the technique is demonstrated on different diffusers (amplitude- and phase-type), varying object roughness or depth of randomization and varying shapes for the region of interest. The modified Strehl method offers a simple yet fast characterization of speckle development.

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Published

2020-10-19

How to Cite

[1]
CHT Depasucat and P Almoro, Modified Strehl ratio for quantitative evaluation of speckle development, Proceedings of the Samahang Pisika ng Pilipinas 38, SPP-2020-3G-03 (2020). URL: https://proceedings.spp-online.org/article/view/SPP-2020-3G-03.

Issue

Section

Optics and Photonics (Short Presentations)