Fourier-domain mode-locked laser-based optical coherence tomography system with large imaging depth

Lin Wang; Xudong Wang; Yuan Cao

doi:10.1117/12.2628579

16 February 2022 Fourier-domain mode-locked laser-based optical coherence tomography system with large imaging depth

Lin Wang, Xudong Wang, Yuan Cao

Proceedings Volume 12164, International Conference on Optoelectronic Materials and Devices (ICOMD 2021); 121640C (2022) https://doi.org/10.1117/12.2628579
Event: 2021 International Conference on Optoelectronic Materials and Devices, 2021, Guangzhou, China

Abstract

A frequency swept source optical coherence tomography (OCT) imaging system is proposed. The frequency swept source used in the system is a Fourier-domain mode-locked (FDML) laser which has a narrow instantaneous linewidth due to the nonlinear spectrum narrowing effect generated by the nonlinear semiconductor optical amplifier (SOA) used in the FDML laser ring cavity. Therefore, the OCT imaging system has the ability to achieve a large imaging depth. The concept is verified in the experiment, which demonstrates a clear two-dimensional target image and a large imaging depth up to 14 mm.

Citation Download Citation

Lin Wang, Xudong Wang, and Yuan Cao "Fourier-domain mode-locked laser-based optical coherence tomography system with large imaging depth", Proc. SPIE 12164, International Conference on Optoelectronic Materials and Devices (ICOMD 2021), 121640C (16 February 2022); https://doi.org/10.1117/12.2628579

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