Single-shot quantitative phase imaging (QPI) using wavelength multiplexing

Chen Fan; Junxiang Li; Yijun Du; Lu Zhang; Zixin Zhao; Hong Zhao

doi:10.1117/12.3007439

24 November 2023 Single-shot quantitative phase imaging (QPI) using wavelength multiplexing

Chen Fan, Junxiang Li, Yijun Du, Lu Zhang, Zixin Zhao, Hong Zhao

Proceedings Volume 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023); 1293522 (2023) https://doi.org/10.1117/12.3007439
Event: Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 2023, Xi’an, China

Abstract

Transport of intensity equation (TIE) provides a powerful QPI means due to its simplicity and high efficiency. However, it is limited in dynamic measurement because it requires at least two defocus intensity images acquisition. Therefore, a simple, accurate, full-field single-shot QPI method is proposed based on TIE and wavelength multiplexing scheme. By ultizing the different phase modulation capabilities of liquid crystal spatial light modulator (LC-SLM) for different wavelengths of light, multiple intensity images of different defocus distances can be produced by a Fresnel-lens-loaded LC-SLM. In this manner, those images can be acquired by a color camera with single exposure, enabling dynamic QPI application. computational imaging.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Chen Fan, Junxiang Li, Yijun Du, Lu Zhang, Zixin Zhao, and Hong Zhao "Single-shot quantitative phase imaging (QPI) using wavelength multiplexing", Proc. SPIE 12935, Fourteenth International Conference on Information Optics and Photonics (CIOP 2023), 1293522 (24 November 2023); https://doi.org/10.1117/12.3007439

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