Real-Time Spectroscopy System for Continuous Measurement With Fourier-Domain Mode-Locked Laser at 1550 nm

被引：4

作者：

Yamaguchi, Tatsuya ^{[1
]}

Endo, Wataru ^{[2
]}

Shinoda, Yukitaka ^{[1
]}

机构：

[1] Nihon Univ, Coll Sci & Technol, Tokyo 101, Japan

[2] Nihon Univ, Grad Sch Sci & Technol, Tokyo 101, Japan

来源：

IEEE SENSORS LETTERS | 2021年 / 5卷 / 08期

关键词：

Fiber lasers; fiber optical devices; near-infrared spectroscopy; optical fiber sensors; real-time systems; sensor integration;

D O I：

10.1109/LSENS.2021.3096608

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We developed a real-time spectroscopy system for continuous measurement using a Fourier-domain mode-locked (FDML) laser. The FDML laser was driven at a sweep rate of 50 kHz in the near-infrared region of 1550 nm. To achieve robust real-time measurement, the spectroscopy system properly designs the pulse modulation of the FDML laser and the length of the reference optical path. The intensity fluctuation of the FDML laser was corrected by introducing a reference optical path. We demonstrated that the spectroscopy system performs continuous measurements for 1 min or more with a time resolution of 20 mu s.

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页数：4

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