ZnGeP2 crystal may be the chief among the nonlinear crystals for middle IR. Substantial sized Φ20×ninety mm3 ZGP one crystals happen to be grown properly with the vertical gradient freeze approach. The crystallinity and optical Qualities of as-developed crystals ended up measured by XRD and transmission spectra respectively.

two–10.eight-µm wavelength area. A different significant limitation from the pump electricity connected with a thermal lensing effect in crystal was resolute experimentally. A comparison was product of AgGaSe2 and ZnGeP2 crystals as components well suited for the efficient era of the next harmonic of cw CO2 laser radiation.

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New Center infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) have already been synthesized. The structures of both equally BaGa2GeS6 and BaGa2GeSe6 ended up observed to become isomorphous exhibiting A 3-dimensional framework constructed with the parallel alignment of Ga or Ge tetrahedron teams alongside the c-aix. The ultraviolet transmittance spectrum implies the brief-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.

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A thermo-optic dispersion components for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a 2 G e S e six nonlinear crystal is noted. The experimentally determined temperature-dependent stage-matching disorders for next-harmonic and sum-frequency generation 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 during the 0.

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77Growth of the new superior-efficiency NLO crystal BaGa2GeSe6 through the managed vapor stress system

Laser-induced damage threshold on the nonlinear crystals BaGa4Se7 and BaGa2GeSe6 at 2091 nm within the nanosecond regime

24% that is comparable with one particular received with superior repetition rate low-energy laser programs like in [nine]. Taking into consideration a chance to increase pump pulse Power of our set up as many as ~10 mJ, the DFG pulse Power is usually elevated as much as ~24 μJ at the exact same effectiveness, having said that, it expected a large-aperture, ~fifteen mm in diameter BGGSe sample. Normal DFG pulse Strength in AGS was not confidently calculated with Ophir-3A electricity meter as a result of its small sign.

A thermo-optic dispersion formulation for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a 2 G e S e six nonlinear crystal is described. The experimentally decided temperature-dependent period-matching situations for 2nd-harmonic and sum-frequency generation 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 while in the 0.

The best frequency conversion effectiveness of ten⁻⁴ was received for a relatively new read more PbIn6Te10 crystal, which is an get of magnitude bigger than past success.

Barium gallium germanium selenium (BaGa2GeSe6, BGGSe) crystal is usually a novel infrared nonlinear optical materials with great efficiency, which was learned by Chinese scientists. To this point, there is no report on huge dimensions one crystal development of the crystal in China. During this research, polycrystalline BGGSe was synthesized productively by making use of a self-made two-zone furnace with the amount of 400 g in one operate.

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