A narrow-linewidth optical parametric oscillator for mid-infrared high-resolution spectroscopy

被引：20
作者：
Ricciardi, I. [1 ,2 ]
De Tommasi, E. [1 ,2 ]
Maddaloni, P. [1 ,2 ]
Mosca, S. [1 ,2 ]
Rocco, A. [1 ,2 ]
Zondy, J. -J. [3 ]
De Rosa, M. [1 ,2 ]
De Natale, P. [1 ,2 ]
机构：
[1] INO CNR, Ist Nazl Ott, Sez Napoli, I-80078 Pozzuoli, NA, Italy
[2] European Lab Nonlinear Spect, LENS, I-80078 Pozzuoli, NA, Italy
[3] Lab Commun Metrol LNE CNAM, F-93210 La Plaine St Denis, France
来源：
MOLECULAR PHYSICS | 2012年 / 110卷 / 17期
关键词：
optical parametric oscillator; frequency stabilization; sub-Doppler spectroscopy; DIFFERENCE-FREQUENCY-GENERATION; MU-M; MOLECULAR-SPECTROSCOPY; TUNING RANGE; COMB; LASER; STABILIZATION; TEMPERATURE; LEVEL; PHASE;
D O I：
10.1080/00268976.2012.699640
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We present a narrow-linewidth, singly-resonant cw optical parametric oscillator, emitting more than 1 W in the 2.7-4.2 mu m range. The OPO is pumped by a narrow linewidth (40 kHz) fibre-laser system and the signal frequency is locked to a high-finesse Fabry-Perot cavity in order to increase the spectral resolution, thus obtaining a residual linewidth of 70 kHz for the signal. We tested the spectral performance of our OPO on several transitions in the nu(1) rovibrational band of CH3I, measuring line intensities and showing sub-Doppler dip detection.
引用
收藏
页码：2103 / 2109
页数：7
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