BaGa2GeSe6 Crystal - An Overview
BaGa2GeSe6 Crystal - An Overview
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ZnGeP2 crystal may be the chief amongst nonlinear crystals for middle IR. Massive sized Φ20×90 mm3 ZGP single crystals are actually grown correctly by the vertical gradient freeze approach. The crystallinity and optical Attributes of as-grown crystals ended up calculated by XRD and transmission spectra respectively.
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New Center infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) have been synthesized. The structures of both equally BaGa2GeS6 and BaGa2GeSe6 were located being isomorphous exhibiting a three-dimensional framework manufactured with the parallel alignment of Ga or Ge tetrahedron groups along the c-aix. The ultraviolet transmittance spectrum suggests the short-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.
We crank out superior-buy harmonics from crystalline solids utilizing a tunable mid-IR OPA with fifty kHz repetition price. Making use of nonlinear self-compression in YAG crystals, we deliver sub 3-cycle pulses at three.8 μm wavelength for top harmonic spectroscopy. Go through additional
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The development of crystal progress and laser output of BGSe and BGGSe are summarized, and the long run development is prospected.
77Growth of the new higher-effectiveness NLO crystal BaGa2GeSe6 by means of the managed vapor tension strategy
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24% that's comparable with one particular received with substantial repetition level reduced-Electricity laser methods like in [9]. Bearing in mind a risk to boost pump pulse energy of our set up as much as ~ten mJ, the DFG pulse energy might be greater approximately ~24 μJ at the exact same efficiency, on the other hand, it demanded a large-aperture, ~fifteen mm in diameter BGGSe sample. Regular DFG pulse Strength in AGS wasn't confidently measured with Ophir-3A electricity meter as a consequence of its small signal.
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 documented. The experimentally established temperature-dependent phase-matching conditions for next-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 as well as a CO2 rm CO _2 C O two laser and its harmonics within the 0.
The very best frequency conversion effectiveness of ten⁻⁴ was attained for a comparatively new PbIn6Te10 crystal, which happens to be an order of magnitude better than past outcomes.
It is revealed that there are wavelength combos at which the helpful nonlinearity coefficient differs only marginally in a wide frequency band.
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