Laser & Optoelectronics Progress, Volume. 57, Issue 1, 011407(2020)
High-Speed Swept Laser Source Based on Optical Buffer Device Within Ring Cavity
Fourier domain mode locking (FDML) technology can improve the scanning speed to achieve the designed limit of a tunable filter while the swept laser source maintains superior performance of the various parameters. To further improve the sweep frequency of the FDML swept laser source, an optical buffer device is introduced into the optical cavity of the laser to back up the swept light. In our experiment, the center wavelength of the swept laser source based on the optical buffer device within the ring cavity is 1310 nm, the sweep frequency range is 95 nm, the instantaneous line width is 0.1 nm, the scanning speed is raised to 202 kHz, and the average output optical power is 7.5 mW. In this paper, the optical buffer device is used to markedly increase the scanning speed of the traditional FDML high-speed swept laser source. It is important to improve the comprehensive imaging performance of swept source optical coherence tomography (SS-OCT) systems.
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Dingjiang Fang, Xinglin Tong, Cui Zhang, Chengwei Deng, Pengfei Wang. High-Speed Swept Laser Source Based on Optical Buffer Device Within Ring Cavity[J]. Laser & Optoelectronics Progress, 2020, 57(1): 011407
Category: Lasers and Laser Optics
Received: Jul. 1, 2019
Accepted: Jul. 15, 2019
Published Online: Jan. 3, 2020
The Author Email: Tong Xinglin (tongxinglin@whut.edu.cn)