Absolute frequencies of water lines near 790 nm with 10-11 accuracy

被引：18
|
作者：
Chen, J. [1 ]
Hua, T. -P. [1 ]
Tao, L. -G. [1 ]
Sun, Y. R. [1 ,2 ]
Liu, A. -W. [1 ,2 ]
Hu, S. -M. [1 ,2 ]
机构：
[1] Univ Sci & Technol China, iChem Ctr, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, CAS Ctr Excellence & Synerget Innovat, Ctr Quantum Informat & Quantum Phys, Hefei 230026, Anhui, Peoples R China
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2018年 / 205卷
关键词：
LAMB-DIP TECHNIQUE; SPECTROSCOPY MEASUREMENTS; HYPERFINE-STRUCTURE; VAPOR; SPECTRUM; TRANSITIONS; CAVITY; CM(-1); (H2O)-O-16; POSITIONS;
D O I：
10.1016/j.jqsrt.2017.10.009
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Water lines in the infrared are convenient frequency references. We present absolute positions of several H-2 O-16 ro-vibrational transitions around 790 nm using comb-locked cavity ring-down saturation spectroscopy. Lamb dips of 6 water lines with saturation power in the range of 70-130 kW/cm(2) were observed and the line positions were determined with an accuracy of 25 kHz, corresponding to a fractional uncertainty of 6.6 x 10(-1)1. The present work demonstrates the capability to considerably improve the accuracy of the water line positions in the infrared. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：91 / 95
页数：5
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