Mid-infrared frequency comb for broadband high precision and sensitivity molecular spectroscopy

被引:38
|
作者
Galli, I. [1 ,2 ]
Bartalini, S. [1 ,2 ]
Cancio, P. [1 ,2 ]
Cappelli, F. [1 ,2 ]
Giusfredi, G. [1 ,2 ]
Mazzotti, D. [1 ,2 ]
Akikusa, N. [3 ]
Yamanishi, M. [4 ]
De Natale, P. [1 ,2 ]
机构
[1] CNR, INO, I-50019 Sesto Fiorentino Fi, Italy
[2] LENS, I-50019 Sesto Fiorentino Fi, Italy
[3] Hamamatsu Photon KK, Dev Bur Laser Device R&D Grp, Shizuoka 4348601, Japan
[4] Hamamatsu Photon KK, Cent Res Labs, Shizuoka 4348601, Japan
关键词
OPTICAL PARAMETRIC OSCILLATOR; MU-M; LASER;
D O I
10.1364/OL.39.005050
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report on the experimental demonstration of the metrological and spectroscopic performances of a mid-infrared comb generated by a nonlinear downconversion process from a Ti:sapphire-based near-infrared comb. A quantum cascade laser at 4330 nm was phase-locked to a single tooth of this mid-infrared comb and its frequency-noise power spectral density was measured. The mid-infrared comb itself was also used as a multifrequency highly coherent source to perform ambient air direct comb spectroscopy with the Vernier technique, by demultiplexing it with a high-finesse Fabry-Perot cavity. (C) 2014 Optical Society of America
引用
收藏
页码:5050 / 5053
页数:4
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