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To explore the structural, vibrational, and thermodynamic properties of the chalcopyrite-variety compound AgGaS2 under pressure, we used hydrostatic pressure to the calm compound based on the initial concepts calculation and quasi-harmonic approximation. The structural parameters, such as lattice constants and bond lengths reduce monotonically with the raising tension. The phonon dispersion curves beneath different pressures expose the structural stage changeover of chalcopyrite-sort compound AgGaS2 at about 4 GPa. The intrinsic system of thermal conductivity with the chalcopyrite-sort compound AgGaS2 has become shown with phonon anharmonicity. The frequencies on the optical phonons at the center position Γ of the 1st Brillouin zone ended up calculated Together with the longitudinal optical–transverse optical (LO–TO) splitting mode.
Silver Thiogallate (AgGaS2, AGS) has actually been shown being an successful crystal for nonlinear parametric interactions during the infrared spectral vary. Its transparency location ranges from 0,fifty three to twelve µm. AGS based mostly optical parametric oscillators attribute repeatedly tunable radiation in excess of an array of wavelengths within the infrared spectral variety. Higher transparency during the shorter wavelength array starting at 550 nm is used in OPOs pumped by Nd:YAG laser.
AgGaS2(AGS) crystal is one of the most successful nonlinear laser crystals utilized in the infrared Doing work band at current. For the reason that of its significant
跳至内容 南京光宝光电科技有限公司成为上海芯飞睿科技有限公司的子公司
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What's the performance array of up-conversion of CO2 laser radiation graphic into in close proximity to-IR or noticeable location employing AgGaS2 crystal? Up-conversion of CO2 laser radiation impression into in close proximity to-IR or visible region applying AgGaS2 crystal has an performance nearly thirty%.
Silver thiogallate, AgGaS2, is actually a representative member from the AIBIIIC 2VI relatives with chalcopyrite construction. AgGaS2 is strongly piezoelectric and is also phase matchable for second harmonic generation. The lattice constants of the tetragonal crystal really are a
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6 μm making use of plasma oscillations idea of solids. The calculated values are when compared Together with the experimental values plus the values noted by various staff. Reasonably fantastic arrangement has actually been located concerning them.
Bismuth Triborate (BiB3O6 or BIBO) is usually a freshly developed nonlinear optical crystal. It possesses big efficient nonlinear coefficient, significant hurt threshold and inertness with respect to humidity.
Every one of these read more knowledge permitted us to refine the Sellmeier equations with the three principal refractive indices. These equations are legitimate around your entire transparency ... [Exhibit comprehensive abstract] selection of GdCOB and then might be utilized to estimate the tuning curves of infrared optical parametric era.
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coefficients of nonlinear optical crystals according to MPI,�?offered with the eleventh International Symposium on
其非线性光学特性、宽带宽工作和热稳定性使其适用于红外激光器的变频过程。