Molecular fingerprint-region spectroscopy from 5 to 12 μm using an orientation-patterned gallium phosphide optical parametric oscillator

Luke Maidment, Peter G. Schunemann, Derryck Telford Reid

Research output: Contribution to journalArticle

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Abstract

We report a femtosecond optical parametric oscillator (OPO) based on the new semiconductor gain material orientation- patterned gallium phosphide (OP-GaP), which enables the production of high-repetition-rate femtosecond pulses span- ning 5–12 μm with average powers in the few to tens of milli- watts range. This is the first example of a broadband OPO operating across the molecular fingerprint region, and we demonstrate its potential by conducting broadband Fourier- transform spectroscopy using water vapor and a polystyrene reference standard.
Original languageEnglish
Pages (from-to)4261-4264
Number of pages4
JournalOptics Letters
Volume41
Issue number18
DOIs
Publication statusPublished - 9 Sep 2016

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