Modified commercial endoscope for polarimetric imaging

Jiawei Song; Liqiang Wang; Qing Yang; Ji Qi

doi:10.1117/12.2642299

19 December 2022 Modified commercial endoscope for polarimetric imaging

Jiawei Song, Liqiang Wang, Qing Yang, Ji Qi

Proceedings Volume 12320, Optics in Health Care and Biomedical Optics XII; 1232008 (2022) https://doi.org/10.1117/12.2642299
Event: SPIE/COS Photonics Asia, 2022, Online Only

Abstract

Polarimetric imaging can provide morphological and structural information of tissue and has demonstrated applications during endoscopy. Polarimetric endoscopy has been shown by conducting polarimetric imaging through customized rigid endoscopes. Here we demonstrate Stokes polarimetric imaging via a commercially available rigid endoscope that can acquire full-Stokes information in a snapshot. This system incorporates two division of focal plane linear polarization cameras, a waveplate and a commercially available rigid endoscope. In addition, the sapphire windows in rigid endoscopes are known for their polarization effects. In this work, the polarization properties of the sapphire windows are carefully measured and calibrated to guarantee the accuracy of the system. Quantified analysis of the system and the imaging results on tissue are provided.

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Citation Download Citation

Jiawei Song, Liqiang Wang, Qing Yang, and Ji Qi "Modified commercial endoscope for polarimetric imaging", Proc. SPIE 12320, Optics in Health Care and Biomedical Optics XII, 1232008 (19 December 2022); https://doi.org/10.1117/12.2642299

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KEYWORDS

Polarimetry

Endoscopy

Endoscopes

Imaging systems

Polarization

Sapphire

Tissues

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