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Qi J, Ye M, Singh M, et al. Narrow band 3 × 3 Mueller polarimetric endoscopy. Biomed Opt Express. 2013;4(11):2433-49doi: 10.1364/BOE.4.002433.
Qi, J., Ye, M., Singh, M., Clancy, N. T., & Elson, D. S. (2013). Narrow band 3 × 3 Mueller polarimetric endoscopy. Biomedical optics express, 4(11), 2433-49. https://doi.org/10.1364/BOE.4.002433
Qi, Ji, et al. "Narrow band 3 × 3 Mueller polarimetric endoscopy." Biomedical optics express vol. 4,11 (2013): 2433-49. doi: https://doi.org/10.1364/BOE.4.002433
Qi J, Ye M, Singh M, Clancy NT, Elson DS. Narrow band 3 × 3 Mueller polarimetric endoscopy. Biomed Opt Express. 2013 Oct 11;4(11):2433-49. doi: 10.1364/BOE.4.002433. eCollection 2013. PMID: 24298405; PMCID: PMC3829538.
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Biomed Opt Express. 2013 Oct 11;4(11):2433-49. doi: 10.1364/BOE.4.002433. eCollection 2013.

Narrow band 3 × 3 Mueller polarimetric endoscopy.

Biomedical optics express

Ji Qi, Menglong Ye, Mohan Singh, Neil T Clancy, Daniel S Elson

Affiliations

  1. Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, Exhibition Road, London SW7 2AZ, UK ; Department of Surgery and Cancer, Imperial College London, Exhibition Road, London SW7 2AZ, UK.

PMID: 24298405 PMCID: PMC3829538 DOI: 10.1364/BOE.4.002433

Abstract

Mueller matrix polarimetric imaging has shown potential in tissue diagnosis but is challenging to implement endoscopically. In this work, a narrow band 3 × 3 Mueller matrix polarimetric endoscope was designed by rotating the endoscope to generate 0°, 45° and 90° linearly polarized illumination and positioning a rotating filter wheel in front of the camera containing three polarisers to permit polarization state analysis for backscattered light. The system was validated with a rotating linear polarizer and a diffuse reflection target. Initial measurements of 3 × 3 Mueller matrices on a rat are demonstrated, followed by matrix decomposition into the depolarization and retardance matrices for further analysis. Our work shows the feasibility of implementing polarimetric imaging in a rigid endoscope conveniently and economically in order to reveal diagnostic information.

Keywords: (110.4234) Multispectral and hyperspectral imaging; (170.2150) Endoscopic imaging; (290.5855) Scattering, polarization

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