BaGa4Se7 (BGSe) and BaGa2GeSe(BGGSe) crystals are novel infrared nonlinear optical supplies independently created by Chinese experts. Due to the fantastic thorough performance as well as significant software value in laser field, they may have captivated much attention in your own home and abroad.
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We current new experimental effects for that period-matching Homes on the a short while ago uncovered BaGa2GeSe6
A different software of this set up is seeding substantial-stress CO2-laser amplifier [seventeen]. It should be pointed out that presented setup from the mid-IR laser technique is pretty straightforward and it has a terrific prospective for Electrical power scalability. Electrical power with the entrance-close Ti:sapphire laser can be increased nearly many hundreds of Joules [twelve], on the other hand that pump laser would require a broad-aperture BGGSe crystal sample. Also, the DFG pulse Strength may be increased by an advancement of sign pulse�?uniform spectrum condition and elevated Electricity.
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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 6 nonlinear crystal is described. The experimentally determined temperature-dependent phase-matching disorders for 2nd-harmonic and sum-frequency era 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 4 (RTA) optical parametric oscillators in addition to a CO2 rm CO _2 C O 2 laser and its harmonics in the 0.
The progress of crystal expansion and laser output of BGSe and BGGSe are summarized, and the future improvement is prospected.
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A high quality BGGSe solitary crystal with size of 30 mm×90 mm was developed by Bridgman-stockbarger process, which is the 1st in China. The prosperous fabrication of BGGSe crystal units was also accomplished right after orienting, cutting, and polishing processes, which laid a solid Basis for your further more software analysis on the crystal.
A thermo-optic dispersion components for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a two G e S e six nonlinear crystal is reported. The experimentally established temperature-dependent phase-matching circumstances for next-harmonic and sum-frequency technology 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 4 (RTA) optical parametric oscillators in addition to a CO2 rm CO _2 C O two laser and its harmonics inside the 0.
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Barium gallium germanium selenium (BaGa2GeSe6, BGGSe) crystal is often a novel infrared nonlinear optical material with exceptional overall performance, which was uncovered by Chinese scientists. Up to now, there is no report on large size solitary crystal progress of this crystal in China. In this research, polycrystalline BGGSe was synthesized productively by using a self-manufactured two-zone furnace with the amount of 400 g in a single operate.
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