The best Side of BaGa2GeSe6 Crystal
The best Side of BaGa2GeSe6 Crystal
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New middle infrared nonlinear optical crystals of BaGa2GeX6(X=S, Se) are synthesized. The constructions of both BaGa2GeS6 and BaGa2GeSe6 ended up uncovered to get isomorphous exhibiting a three-dimensional framework created by the parallel alignment of Ga or Ge tetrahedron groups alongside the c-aix. The ultraviolet transmittance spectrum implies the short-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 two G e S e six nonlinear crystal is claimed. The experimentally established temperature-dependent period-matching situations for second-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 4 (RTA) optical parametric oscillators as well as a CO2 rm CO _2 C O two laser and its harmonics from the 0.
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24% which happens to be comparable with 1 received with large repetition price lower-energy laser methods like in [9]. Making an allowance for a risk to improve pump pulse energy of our set up around ~ten mJ, the DFG pulse Power is often improved approximately ~24 μJ at the exact same efficiency, nevertheless, it expected a broad-aperture, ~fifteen mm in diameter BGGSe sample. Normal DFG pulse Electricity in AGS wasn't confidently measured with Ophir-3A electric power meter due to its low sign.
The behavior of dislocations from the interfacial location in between the epitaxial layer grown in the liquid phase plus the substrate of GaAs is investigated. Observations of dislocations lying together the 〈a hundred and ten�?directions had been completed applying an optical microscope just after shallow etching by using a new chemical etchant.
$ rm BaGa _2 rm GeSe _6$ (BGGSe) can be a freshly produced nonlinear content that is beautiful for ultrabroad frequency mixing and ultrashort pulse era resulting from its comparably very low dispersion and significant hurt threshold. A numerical examine shows the material’s capability for octave-spanning mid-infrared pulse generation as many as 18 µm. In a first experiment, we demonstrate that an extended crystal length of 2.
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BaGa2GeSe6 crystals are utilized for nonlinear optical frequency conversion in their transparency variety. The wavelengths at which greatest conversion efficiencies is often obtained along with the tuning selection for change-frequency era are observed.