BaGa4Se7 (BGSe) and BaGa2GeSe(BGGSe) crystals are novel infrared nonlinear optical products independently developed by Chinese scientists. As a result of exceptional in depth efficiency and also the critical software value in laser market, they have got attracted Significantly attention at home and abroad.
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A thermo-optic dispersion method for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a two G e S e six nonlinear crystal is claimed. The experimentally decided temperature-dependent phase-matching ailments for 2nd-harmonic and sum-frequency era of Nd:YAG laser-pumped KTiOPO4 rm KTiOPO _4 K T i O P O four (KTP) and RbTiOAsO4 rm RbTiOAsO _4 R b T i O A s O four (RTA) optical parametric oscillators in addition to a CO2 rm CO _2 C O 2 laser and its harmonics in the 0.
Due to exceptional detailed functionality and also the vital application benefit in laser field, they have captivated Considerably focus in the home and abroad. The progress of crystal advancement and laser output of BGSe and BGGSe are summarized, and the future advancement is prospected.
77Growth of the new higher-performance NLO crystal BaGa2GeSe6 by using the controlled vapor strain method
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24% that is equivalent with a single obtained with large repetition price reduced-Electricity laser programs like in [nine]. Considering a chance to extend pump pulse energy of our set up around ~ten mJ, the DFG pulse energy is usually enhanced around ~24 μJ at exactly the same efficiency, nevertheless, it expected a wide-aperture, ~15 mm in diameter BGGSe sample. Common DFG pulse energy in AGS wasn't confidently measured with Ophir-3A ability meter because of its small sign.
A thermo-optic dispersion method for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a 2 G e S e six nonlinear crystal is reported. The experimentally established temperature-dependent section-matching situations for next-harmonic and sum-frequency technology of Nd:YAG laser-pumped KTiOPO4 rm KTiOPO _4 K T i O P O 4 (KTP) and RbTiOAsO4 rm RbTiOAsO _4 R b T i O A s O four (RTA) optical parametric oscillators in addition to a CO2 rm CO _2 C O 2 laser and its harmonics more info during the 0.
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It is proven that there are wavelength combinations at which the efficient nonlinearity coefficient may differ only slightly in a wide frequency band.
BaGa2GeSe6 crystals are utilized for nonlinear optical frequency conversion within their transparency assortment. The wavelengths at which highest conversion efficiencies is often attained and the tuning vary for big difference-frequency generation are uncovered.