Precision spectroscopy of H13CN using a free-running, all-fiber dual electro-optic frequency comb system

被引：38
|
作者：
Guay, Philippe [1 ,2 ]
Genest, Jerome [2 ]
Fleisher, Adam J. [1 ]
机构：
[1] NIST, 100 Bur Dr, Gaithersburg, MD 20899 USA
[2] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1V 0A6, Canada
来源：
OPTICS LETTERS | 2018年 / 43卷 / 06期
基金：
加拿大自然科学与工程研究理事会;
关键词：
INTERFERENCE SPECTROSCOPY; HALE-BOPP; CALIBRATION; CHEMISTRY; SPECTRA; HCN;
D O I：
10.1364/OL.43.001407
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the precision molecular spectroscopy of (HCN)-C-13 using a free-running, all-fiber dual electro-optic frequency comb system. Successive interferograms, acquired at a rate Delta f(rep) = 1 MHz, were phase-corrected in post-processing, averaged, and normalized to yield the complex transmission spectrum of several transitions within the 2 nu(1) (HCN)-C-13 band centered near lambda = 1545 nm. With spectral signal-to-noise ratios as high as 326: 1 achieved in 2 ms of integration time, we report accurate measurements of (HCN)-C-13 transition intensities which will aid in the study of extreme astrophysical environments. (C) 2018 Optical Society of America
引用
收藏
页码：1407 / 1410
页数：4
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