Frequency-comb-referenced mid-infrared source for high-precision spectroscopy

Jari Peltola, Markku Vainio, Thomas Fordell, Tuomas Hieta, Mikko Merimaa, Lauri Halonen

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)

Abstract

We report on a tunable continuous-wave mid-infrared optical parametric oscillator (OPO), which is locked to a fully stabilized near-infrared optical frequency comb using a frequency doubling scheme. The OPO is used for 40 GHz mode-hop-free, frequency-comb-locked scans in the wavelength region between 2.7 and 3.4 μm. We demonstrate the applicability of the method to high-precision cavity-ring-down spectroscopy of nitrous oxide (N2O) and water (H2O) at 2.85 μm and of methane (CH4) at 3.2 μm.

Original languageEnglish
Pages (from-to)32429-32439
Number of pages11
JournalOptics Express
Volume22
Issue number26
DOIs
Publication statusPublished - 29 Dec 2014
MoE publication typeA1 Journal article-refereed

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parametric amplifiers
spectroscopy
nitrous oxides
continuous radiation
methane
cavities
rings
wavelengths
water

Cite this

Peltola, Jari ; Vainio, Markku ; Fordell, Thomas ; Hieta, Tuomas ; Merimaa, Mikko ; Halonen, Lauri. / Frequency-comb-referenced mid-infrared source for high-precision spectroscopy. In: Optics Express. 2014 ; Vol. 22, No. 26. pp. 32429-32439.
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Frequency-comb-referenced mid-infrared source for high-precision spectroscopy. / Peltola, Jari; Vainio, Markku; Fordell, Thomas; Hieta, Tuomas; Merimaa, Mikko; Halonen, Lauri.

In: Optics Express, Vol. 22, No. 26, 29.12.2014, p. 32429-32439.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Frequency-comb-referenced mid-infrared source for high-precision spectroscopy

AU - Peltola, Jari

AU - Vainio, Markku

AU - Fordell, Thomas

AU - Hieta, Tuomas

AU - Merimaa, Mikko

AU - Halonen, Lauri

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AB - We report on a tunable continuous-wave mid-infrared optical parametric oscillator (OPO), which is locked to a fully stabilized near-infrared optical frequency comb using a frequency doubling scheme. The OPO is used for 40 GHz mode-hop-free, frequency-comb-locked scans in the wavelength region between 2.7 and 3.4 μm. We demonstrate the applicability of the method to high-precision cavity-ring-down spectroscopy of nitrous oxide (N2O) and water (H2O) at 2.85 μm and of methane (CH4) at 3.2 μm.

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DO - 10.1364/OE.22.032429

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