Study of wavelength-switchable watt-level blue external cavity diode laser for NO2 S-DIAL

Author:

Peng Xiqing,Luo Weixuan,Bai Yun,Zhang Bin,Zhang Yusheng,Ling Qiang,Chen Hao,Luo Si,Guan Zuguang,Chen Daru

Abstract

Abstract A 2.3 W wavelength-switchable blue external cavity diode laser (ECDL) was studied. The laser was built on Littrow configuration and a piezoelectric ceramic transducer (PZT) driver was employed to change the Littrow angle for wavelength tuning. Its emitting wavelength can be switched between 447.46 nm and 448.10 nm which are the required wavelengths for NO2 differential absorption lidar application. The measured spectral linewidth of the proposed ECDL was 0.08 nm. The main peak was at least 35 dB stronger than its adjacent freely running emission peak and background amplified spontaneous emission (ASE). The wavelength switching dynamics were inspected and shows good repeatability at frequencies of 16.7 Hz and 50 Hz.

Publisher

IOP Publishing

Subject

Industrial and Manufacturing Engineering,Condensed Matter Physics,Instrumentation,Atomic and Molecular Physics, and Optics

Cited by 1 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. NO2 Scheimpflug lidar based on wavelengthswitchable continuous wave external cavity diode laser;2023 21st International Conference on Optical Communications and Networks (ICOCN);2023-07-31

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