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

Jari Peltola | Zendy; Markku Vainio | Zendy; Thomas Fordell | Zendy; Tuomas Hieta | Zendy; M. Merimaa | Zendy; Lauri Halonen | Zendy

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

Author(s) -

Jari Peltola,

Markku Vainio,

Thomas Fordell,

Tuomas Hieta,

M. Merimaa,

Lauri Halonen

Publication year - 2014

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.22.032429

Subject(s) - optical parametric oscillator , optics , spectroscopy , frequency comb , infrared , cavity ring down spectroscopy , materials science , wavelength , optical frequency comb , sum frequency generation , infrared spectroscopy , optoelectronics , laser , nonlinear optics , physics , quantum mechanics

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 (N 2 O) and water (H 2 O) at 2.85 µm and of methane (CH 4 ) at 3.2 μm.

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