Diode-laser-pumped continuous-wave optical parametric oscillator with a large mid-infrared tuning range

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http://hdl.handle.net/10138/327077

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Ulvila , V & Vainio , M 2019 , ' Diode-laser-pumped continuous-wave optical parametric oscillator with a large mid-infrared tuning range ' , Optics Communications , vol. 439 , pp. 99-102 . https://doi.org/10.1016/j.optcom.2019.01.052

Title: Diode-laser-pumped continuous-wave optical parametric oscillator with a large mid-infrared tuning range
Author: Ulvila, Ville; Vainio, Markku
Contributor: University of Helsinki, Department of Chemistry
University of Helsinki, Department of Chemistry
Date: 2019-05-15
Language: eng
Number of pages: 4
Belongs to series: Optics Communications
ISSN: 0030-4018
URI: http://hdl.handle.net/10138/327077
Abstract: We report a singly resonant continuous-wave optical parametric oscillator (SRO), which is pumped by a simple semiconductor laser system and operates in the mid-infrared region (2.9 to 3.6 mu m). The pump laser system allows for a simple and cost-efficient SRO design with a small footprint. Tuning of the SROs mid-infrared output wavelength by more than 200 nm is demonstrated by scanning the pump laser wavelength through only 1.25 nm, without any need to adjust the SRO settings. The large tuning range is obtained by choosing a pump wavelength (780 nm) that corresponds to a turning point of the group velocity mismatch between the phase-matched signal and idler waves of the SRO.
Subject: HIGH-POWER
114 Physical sciences
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