Frequency-comb-referenced molecular spectroscopy in the mid-infrared region
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Vainio , M , Merimaa , M & Halonen , L 2011 , ' Frequency-comb-referenced molecular spectroscopy in the mid-infrared region ' , Optics Letters , vol. 36 , no. 21 , pp. 4122-4144 . https://doi.org/10.1364/OL.36.004122
| Title: | Frequency-comb-referenced molecular spectroscopy in the mid-infrared region |
| Author: | Vainio, Markku; Merimaa, Mikko; Halonen, Lauri |
| Contributor: | University of Helsinki, Molecular Science University of Helsinki, Molecular Science |
| Date: | 2011 |
| Language: | eng |
| Number of pages: | 3 |
| Belongs to series: | Optics Letters |
| ISSN: | 0146-9592 |
| URI: | http://hdl.handle.net/10138/28130 |
| Abstract: | A simple method for absolute frequency measurements of molecular transitions in the mid-infrared region is reported. The method is based on a cw singly-resonant optical parametric oscillator (SRO), which is tunable from 3.2 to 3.45 µm. The mid- infrared frequency of the SRO is referenced to an optical frequency comb through its pump and signal beams. Sub-Doppler spectroscopy and absolute frequency measurement of the P(7) transition of the ν3 band of CH4 are demonstrated. |
| Subject: |
114 Physical sciences
116 Chemical sciences |
| Rights: |
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