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Title:Narrow Linewidth Opo Light Source For Precision Spectroscopy
Author(s):Cheng, Cunfeng
Contributor(s):Hu, Shui-Ming; Sun, Yu Robert; Zhang, Zitan
Subject(s):Mini-symposium: Precision Spectroscopy for Fundamental Physics
Abstract:Precision spectroscopy of fundamental bands of molecules in the mid-infrared (MIR) region is of great interest in applications of trace detection and testing fundamental physics, where high-power and narrow-linewidth MIR lasers are needed. By controlling the phase noise of the signal and pump light of a continuous wave optical parametric oscillator (OPO), we established a broadly tunable MIR light source which has an output power of several hundred milliwatts and a linewidth of a few tens kilohertz. The long term frequency drift of the MIR laser was reduced and calibrated utilizing a near-infrared optical frequency comb. The performance of the light source was investigated and the laser system will be used for precision measurement of fundamental vibration of HD.
Issue Date:2021-06-23
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Type:Text
Language:English
URI:http://hdl.handle.net/2142/111014
Date Available in IDEALS:2021-09-24


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