Frequency-stabilized mid-infrared laser source for precision spectroscopy

Precision measurements on molecules in the strong fundamental bands are of great importance. An ac curate mid-infrared light source is a key for these studies. By locking the signal and pump light to an optical frequency comb, a high-precision continu ous-wave optical parametric oscillator source is...

Full description

Saved in:
Bibliographic Details
Published in:Chinese journal of chemical physics 2024-04, Vol.37 (2), p.147-152
Main Authors: Tan, Yan-Dong, Chen, Jinjin, Zhou, Yong, Cheng, Cun-Feng, Hu, Shui-Ming
Format: Article
Language:English
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Precision measurements on molecules in the strong fundamental bands are of great importance. An ac curate mid-infrared light source is a key for these studies. By locking the signal and pump light to an optical frequency comb, a high-precision continu ous-wave optical parametric oscillator source is built, and the mid-infrared frequency drift is deter mined to be less than 1 kHz. As a demonstration, saturated absorption spectroscopy of the R(14) (00011)–(00001) line of 13CO2 is measured, and the transition frequency is determined to be 68786813496(29) kHz. The frequency-stabilized mid-infrared laser source provides an opportunity for precision measurements of molecules in fundamental bands.
ISSN:1674-0068
2327-2244
DOI:10.1063/1674-0068/cjcp2312137