250-MHz synchronously pumped optical parametric oscillator at 2.25–2.6 μm and 4.1–4.9 μm

Author
Coluccelli, Nicola
Fonnum, Helge
Haakestad, Magnus Willum
Gambetta, Alessio
Gatti, Davide
Marangoni, Marco
Laporta, Paolo
Galzerano, Gianluca
Date Issued
2012
Keywords
Oscillatorer
Spektroskopi
Optikk
Permalink
https://ffi-publikasjoner.archive.knowledgearc.net/handle/20.500.12242/26
DOI
10.1364/OE.20.022042
Collection
Articles
Description
Coluccelli, Nicola; Fonnum, Helge; Haakestad, Magnus Willum; Gambetta, Alessio; Gatti, Davide; Marangoni, Marco; Laporta, Paolo; Galzerano, Gianluca. 250-MHz synchronously pumped optical parametric oscillator at 2.25–2.6 μm and 4.1–4.9 μm. Optics Express 2012 ;Volum 20.(20) s. 22042-22047
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Abstract
A compact and versatile femtosecond mid-IR source is presented, based on an optical parametric oscillator (OPO) synchronously pumped by a commercial 250-MHz Er:fiber laser. The mid-IR spectrum can be tuned in the range 2.25–2.6 μm (signal) and 4.1–4.9 μm (idler), with average power from 20 to 60 mW. At 2.5 μm a minimum pulse duration of 110 fs and a power of 40 mW have been obtained. Active stabilization of the OPO cavity length has been achieved in the whole tuning range.
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