BaGa4Se7 (BGSe) and BaGa2GeSe(BGGSe) crystals are novel infrared nonlinear optical products independently created by Chinese experts. Because of the superb extensive effectiveness plus the significant software benefit in laser business, they've captivated Considerably consideration in your own home and abroad.
We derive explicit expressions inside the frame of your optical indicatrix for the 2nd-purchase effective nonlinearity in biaxial crystals with issue groups 2, m, and one, governing the conversion performance in a few-wave nonlinear optical interactions. The tabulated expressions for that monoclinic symmetry lessons two and m are valid for all probable orientations on the optical indicatrix relative to your crystallographic body and for propagation together an arbitrary course exterior the principal planes. They may be used for direct estimation on the helpful nonlinearity in the exact same frame in which the section-matching loci are calculated.
We current new experimental final results for your section-matching Attributes with the not long ago identified BaGa2GeSe6
New middle infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) have been synthesized. The constructions of both BaGa2GeS6 and BaGa2GeSe6 have been found to get isomorphous exhibiting A 3-dimensional framework made via the parallel alignment of Ga or Ge tetrahedron groups alongside the c-aix. The ultraviolet transmittance spectrum indicates the limited-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.
This Site employs cookies to provide many of our services as well as for analytics and to provide you a more customized knowledge.
New middle infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) have been synthesized. The buildings of both of those BaGa2GeS6 and BaGa2GeSe6 were being uncovered being isomorphous exhibiting A 3-dimensional framework made through the parallel alignment of Ga or Ge tetrahedron groups together the c-aix. The ultraviolet transmittance spectrum suggests the limited-wavelength absorption edges of BaGa2GeS6 and BaGa2GeSe6 are 380 nm and 440 nm, respectively.
A thermo-optic dispersion formulation for BaGa2GeSe6 rm BaGa _2 rm GeSe _6 B a G a 2 G e S e 6 nonlinear crystal is reported. The experimentally identified temperature-dependent section-matching situations for 2nd-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 four (RTA) optical parametric oscillators as well as a CO2 rm CO _2 C O 2 laser and its harmonics inside the 0.
Because of the fantastic thorough overall performance plus the crucial software value in laser marketplace, they've captivated A lot awareness at your home and overseas. The development of crystal development and laser output of BGSe and BGGSe are summarized, and the longer term development is prospected.
77Growth of the new large-efficiency NLO crystal BaGa2GeSe6 by way of the controlled vapor pressure method
Laser-induced problems threshold with the nonlinear crystals BaGa4Se7 and BaGa2GeSe6 at 2091 nm in the nanosecond regime
24% which happens to be comparable with a single received with substantial repetition level low-Power laser techniques like in [9]. Making an allowance for a possibility to boost pump pulse Vitality of our setup around ~10 mJ, the DFG pulse Vitality might be enhanced approximately ~24 μJ at precisely the same efficiency, nevertheless, it necessary a large-aperture, ~15 mm in diameter BGGSe sample. Average DFG pulse energy in AGS wasn't confidently calculated with Ophir-3A electric power meter resulting from its very low signal.
The conduct of dislocations during the interfacial region amongst the epitaxial layer developed from your liquid period and the substrate of GaAs is investigated. Observations of dislocations lying along the 〈one hundred ten�?Instructions were completed working with an optical microscope following shallow etching by using a new chemical etchant.
$ rm BaGa _2 rm GeSe _6$ (BGGSe) is often a freshly made nonlinear product that is desirable for ultrabroad frequency mixing and ultrashort pulse generation as a result of its comparably minimal dispersion and large injury threshold. A numerical research exhibits the material’s capacity for octave-spanning mid-infrared pulse technology as many as eighteen µm. In a first experiment, we display that a protracted crystal size of 2.
This Web-site works by using cookies to deliver many of our services and products in addition to for analytics and to deliver you a more personalized practical experience.
Subject areas is usually refined further more during the search website engine results. The Topic facet will reveal the superior-amount topics related to the posts returned in the search engine results. Specific COLLECTIONS