Electro-optic dual-comb spectrometer in the thulium amplification band for gas sensing applications

被引：8
|
作者：
Parriaux, Alexandre [1 ]
Hammani, Kamal [1 ]
Millot, Guy [1 ]
机构：
[1] Univ Bourgogne Franche Comte, Lab Interdisciplinaire Carnot Bourgogne ICB, UMR CNRS 6303, Dijon, France
来源：
OPTICS LETTERS | 2019年 / 44卷 / 17期
关键词：
NOBEL LECTURE; SPECTROSCOPY;
D O I：
10.1364/OL.44.004335
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate a dual-comb spectrometer based on the direct electro-optic modulation of a continuous-wave laser operating in the thulium amplification band. We show that the emergent two-micrometer technology is already suitable for developing all-fibered dual-comb setups employed here for gas sensing applications. By performing spectroscopic measurements around two micrometers on carbon dioxide, we obtain very good agreement between the experimental results and calculations provided by the HITRAN database. These results pave the way to the extension of electro-optic dual-comb spectrometry in the mid-infrared region. (C) 2019 Optical Society of America
引用
收藏
页码：4335 / 4338
页数：4
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