BaGa2GeSe6 Crystal No Further a Mystery
BaGa2GeSe6 Crystal No Further a Mystery
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BaGa4Se7 (BGSe) and BaGa2GeSe(BGGSe) crystals are novel infrared nonlinear optical products independently made by Chinese experts. As a result of superb extensive functionality and the vital application value in laser field, they've captivated Considerably notice in the home and overseas.
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New Center infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) have been synthesized. The constructions of both BaGa2GeS6 and BaGa2GeSe6 had been found to become isomorphous exhibiting A 3-dimensional framework constructed with the parallel alignment of Ga or Ge tetrahedron groups along the c-aix. The ultraviolet transmittance spectrum implies the brief-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.
We create superior-order harmonics from crystalline solids employing a tunable mid-IR OPA with fifty kHz repetition level. Using nonlinear self-compression in YAG crystals, we crank out sub 3-cycle pulses at three.eight μm wavelength for top harmonic spectroscopy. Read through much more
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77Growth of The brand new high-efficiency NLO crystal BaGa2GeSe6 through the managed vapor tension approach
Laser-induced injury threshold of the nonlinear crystals BaGa4Se7 and BaGa2GeSe6 at 2091 nm within the nanosecond regime
A top quality BGGSe solitary crystal with dimension of 30 mm×90 mm was grown by Bridgman-stockbarger technique, which is the first in China. The prosperous fabrication of BGGSe crystal units was also accomplished after orienting, slicing, and polishing processes, which laid a solid more info foundation for the even further application investigation of the crystal.
A thermo-optic dispersion components for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a two G e S e 6 nonlinear crystal is claimed. The experimentally decided temperature-dependent phase-matching disorders 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 as well as a CO2 rm CO _2 C O two laser and its harmonics in the 0.
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The pump pulse Vitality was controlled by a variable diffraction attenuator. Its polarization was tuned by 90° using a fifty percent-wave plate since it had to be ordinary wave during the BGGSe (when AGS crystal was used, the signal beam polarization was tuned). The signal beam was centered by spherical mirror (M2, the focal length of two m) into a fuel tube of 1.
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