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arXiv · 1207.0995

250-MHz synchronously pumped optical parametric oscillator at 2.25-2.6 {\mu}m and 4.1-4.9 {\mu}m

Nicola Coluccelli·Helge Fonnum·Magnus Haakestad·Alessio Gambetta·Davide Gatti·Marco Marangoni·Paolo Laporta·Gianluca Galzerano
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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 \mu m (signal) and 4.1-4.9 \mu m (idler), with average power from 20 to 60 mW. At 2.5 \mu m 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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Nicola Coluccelli, Helge Fonnum, Magnus Haakestad, Alessio Gambetta, Davide Gatti, Marco Marangoni, Paolo Laporta, Gianluca Galzerano. 2012-07-04. 250-MHz synchronously pumped optical parametric oscillator at 2.25-2.6 {\mu}m and 4.1-4.9 {\mu}m. https://doi.org/10.1364/oe.20.022042

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