BaGa2GeSe6 Crystal Options
BaGa2GeSe6 Crystal Options
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2–10.eight-µm wavelength area. A different critical limitation in the pump ability related by using a thermal lensing influence in crystal was firm experimentally. A comparison was crafted from AgGaSe2 and ZnGeP2 crystals as resources suitable for the successful era of the second harmonic of cw CO2 laser radiation.
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New middle infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) have already been synthesized. The constructions of the two BaGa2GeS6 and BaGa2GeSe6 have been located to get isomorphous exhibiting a three-dimensional framework built through the parallel alignment of Ga or Ge tetrahedron teams along the c-aix. The ultraviolet transmittance spectrum indicates the small-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.
We make large-get harmonics from crystalline solids utilizing a tunable mid-IR OPA with 50 kHz repetition rate. Working with nonlinear self-compression in YAG crystals, we produce sub 3-cycle pulses at three.eight μm wavelength for top harmonic spectroscopy. Examine more
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Which crystal type of ZrO//2 is cryStallized from Zr(OH)//4 trusted the water vapor pressures inside the crystallization phase. The contents of monoclinic crystals improved With all the h2o vapor pressures. Read extra
The progress of crystal progress and laser output of BGSe and BGGSe are summarized, and the long run improvement is prospected.
77Growth of the new substantial-general performance NLO crystal BaGa2GeSe6 through the managed vapor pressure approach
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24% which can be comparable with 1 obtained with high repetition charge very low-Electricity laser programs like in [nine]. Bearing in mind a probability to boost pump pulse Vitality of our setup as much as ~ten mJ, the DFG pulse Electrical power may be increased as much as ~24 μJ at the same efficiency, having said that, it essential a wide-aperture, ~15 mm in diameter BGGSe sample. Regular DFG pulse Electrical power in AGS was not confidently measured with Ophir-3A power meter as a result of its minimal sign.
A thermo-optic dispersion formulation for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G get more info a 2 G e S e 6 nonlinear crystal is noted. The experimentally established temperature-dependent stage-matching ailments for second-harmonic and sum-frequency generation 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 as well as a CO2 rm CO _2 C O 2 laser and its harmonics while in the 0.
The highest frequency conversion efficiency of 10⁻⁴ was received for a comparatively new PbIn6Te10 crystal, which happens to be an order of magnitude greater than earlier effects.
It is proven that there are wavelength combinations at which the effective nonlinearity coefficient varies only marginally in a large frequency band.
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