Optimization-free method for multiple spectrometers alignment in polarization-sensitive optical coherence tomography

Piotr Kasprzycki; Maciej Szkulmowski; Maciej Wojtkowski; Karol Karnowski

doi:10.1117/12.2670617

11 August 2023 Optimization-free method for multiple spectrometers alignment in polarization-sensitive optical coherence tomography

Piotr Kasprzycki, Maciej Szkulmowski, Maciej Wojtkowski, Karol Karnowski

Author Affiliations +

Proceedings Volume 12632, Optical Coherence Imaging Techniques and Imaging in Scattering Media V; 126321T (2023) https://doi.org/10.1117/12.2670617
Event: European Conferences on Biomedical Optics, 2023, Munich, Germany

Abstract

We introduce a phase information-based, free-of-optimization multiple spectrometers’ spectral alignment method. Our technique relies on the observation that the slope of the unwrapped phase of the interferometric signal changes linearly with the same gradient for all identical spectrometers. Our method shows the clear benefit of shorter computational time compared to previously proposed methods based on optimization algorithms. The approach presented here can be used with commercially available spectrometers in which access to optical elements is limited and physical alignment is impossible.

Citation Download Citation

Piotr Kasprzycki, Maciej Szkulmowski, Maciej Wojtkowski, and Karol Karnowski "Optimization-free method for multiple spectrometers alignment in polarization-sensitive optical coherence tomography", Proc. SPIE 12632, Optical Coherence Imaging Techniques and Imaging in Scattering Media V, 126321T (11 August 2023); https://doi.org/10.1117/12.2670617

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