Mid-infrared methane detection in a photonic bandgap fiber using a broadband optical parametric oscillator | Zendy

Łukasz Kornaszewski | Zendy; N. Gayraud | Zendy; James M. Stone | Zendy; William N. MacPherson | Zendy; A. K. George | Zendy; J. C. Knight | Zendy; Duncan P. Hand | Zendy; Derryck T. Reid | Zendy

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Mid-infrared methane detection in a photonic bandgap fiber using a broadband optical parametric oscillator

Author(s) -

Łukasz Kornaszewski,

N. Gayraud,

James M. Stone,

William N. MacPherson,

A. K. George,

J. C. Knight,

Duncan P. Hand,

Derryck T. Reid

Publication year - 2007

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.15.011219

Subject(s) - materials science , optical parametric oscillator , optics , femtosecond , methane , optical fiber , lithium niobate , broadband , optoelectronics , absorption (acoustics) , photonic crystal fiber , laser , physics , wavelength , ecology , composite material , biology

We demonstrate methane sensing using a photonic bandgap fiber-based gas cell and broadband idler pulses from a periodically-poled lithium niobate femtosecond optical parametric oscillator. The hollow core of the fiber was filled with a methane:nitrogen mixture, and Fourier transform spectroscopy was used to measure transmission spectra in the 3.15-3.35 mum methane absorption region. The method has applications in gas sensing for remote or hazardous environments and potentially at very low concentrations.

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