Angular variation measurement of spheroids using defocused interferometric particle imaging

Jinlu Sun; Hongxia Zhang; Xiaolei Wang; Dagong Jia; Tiegen Liu

doi:10.1117/12.2505402

15 November 2018 Angular variation measurement of spheroids using defocused interferometric particle imaging

Jinlu Sun, Hongxia Zhang, Xiaolei Wang, Dagong Jia, Tiegen Liu

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109641O (2018) https://doi.org/10.1117/12.2505402
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

The light scattering properties of a transparent spheroidal particle is investigated using defocused interferometric particle imaging. Based on optical transfer matrix theory, the out-of-focus images are simulated using Matlab. We found that the angular variation of a spheroidal particle exhibits isometric with angular variation of the speckle of out-of-focus image. The out-of-focus images of transparent spheroidal particles under different angle of rotation are experimentally acquired using interferometric particle imaging system. The experimental results showed agreement with the simulation results. Thus, we propose a method for obtaining the angular variation of a spheroidal particle using out-of-focus image.

Citation Download Citation

Jinlu Sun, Hongxia Zhang, Xiaolei Wang, Dagong Jia, and Tiegen Liu "Angular variation measurement of spheroids using defocused interferometric particle imaging", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109641O (15 November 2018); https://doi.org/10.1117/12.2505402

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