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Article Abstract
We firstly demonstrated a tunable 2.1 µm pumped mid-infrared type-II phase-matching (BGSe) optical parametric oscillator (OPO). A signal tuning range of 3.82-3.99 µm was achieved. With a signal light produced by the BGSe OPO serving as seed, the (ZGP) optical parametric amplifier (OPA) was first introduced. A 4.35 W mid-infrared laser was obtained in the novel type-II BGSe OPO with a ZGP OPA system, which was pumped by a 24 W 1 kHz -switched Ho:YAG laser. The beam quality factor of the whole system is ∼2.3, which is over a 50% promotion on the previous results of single BGSe OPO.
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| http://dx.doi.org/10.1364/OL.398588 | DOI Listing |
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