Off-axis re-entrant cavity ring-down spectroscopy with a mid-infrared continuous-wave optical parametric oscillator

J. Peltola, Markku Vainio, Ville Ulvila, M. Siltanen, M. Metsälä, L. Halonen

Research output: Contribution to journalArticleScientificpeer-review

8 Citations (Scopus)

Abstract

We demonstrate an off-axis cavity ring-down spectroscopy system, which uses a mid-infrared continuous- wave optical parametric oscillator as a light source. Off-axis injectionwith re-entrant configuration of the ring-down cav- ity is used to achieve high spectral resolution while main- taining high measurement speed. This makes the setup suit- able for sensitive molecular spectroscopy in the mid-infrared region, particularly for studies that require high temporal resolution. Formaldehyde (H2CO) absorption spectrum at 3.4 µmismeasured using the off-axis re-entrant cavity ring- down spectrometer.
Original languageEnglish
Pages (from-to)839-847
JournalApplied Physics B: Lasers and Optics
Volume107
Issue number3
DOIs
Publication statusPublished - 25 May 2012
MoE publication typeA1 Journal article-refereed

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parametric amplifiers
continuous radiation
cavities
rings
spectroscopy
molecular spectroscopy
high resolution
formaldehyde
temporal resolution
spectral resolution
light sources
spectrometers
absorption spectra
configurations

Cite this

Peltola, J. ; Vainio, Markku ; Ulvila, Ville ; Siltanen, M. ; Metsälä, M. ; Halonen, L. / Off-axis re-entrant cavity ring-down spectroscopy with a mid-infrared continuous-wave optical parametric oscillator. In: Applied Physics B: Lasers and Optics. 2012 ; Vol. 107, No. 3. pp. 839-847.
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Off-axis re-entrant cavity ring-down spectroscopy with a mid-infrared continuous-wave optical parametric oscillator. / Peltola, J.; Vainio, Markku; Ulvila, Ville; Siltanen, M.; Metsälä, M.; Halonen, L.

In: Applied Physics B: Lasers and Optics, Vol. 107, No. 3, 25.05.2012, p. 839-847.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Metsälä, M.

AU - Halonen, L.

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