AgGaS2(AGS) crystal is one of the most effective nonlinear laser crystals Utilized in the infrared Functioning band At this time. Due to its large nonlinear coefficient, significant infrared transmittance, very low optical absorption and scattering, and small wavefront distortion overall performance, its application in the infrared area has been popularized A lot more.
它的独特性质可用于研究各种现象和开发新技术，使其成为科学研究中的宝贵工具。
0 Summary Abstract: As a way to create infrared imaging system based upon parametric up-conversion, based on the up-converter design which might rework 10.6 μm radiation into seen light-weight assortment, the stage matching angle, walk off angle, suitable angle and successful nonlinear coefficient of GaSe, ZnGeP2 and AgGaS2 crystals with distinctive stage matching approaches have been calculated.
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Outcomes on band constructions, density of states, and cost-density distributions are introduced. We report also our success on optical Qualities much like the complex dielectric capabilities along with the refractive index n of the AgGaS2AgGaS2 and AgGaSe2AgGaSe2 crystals. We review in detail the buildings from the dielectric purpose noticed in the analyzed Electricity location.
Exactly what is the performance variety of up-conversion of CO2 laser radiation picture into in close proximity to-IR or seen location using AgGaS2 crystal? Up-conversion of CO2 laser radiation image into in close proximity to-IR or visible location using AgGaS2 crystal has an performance as many as 30%.
Silver thiogallate, AgGaS2, is actually a agent member with the AIBIIIC 2VI loved ones with chalcopyrite framework. AgGaS2 is strongly piezoelectric and is particularly section matchable for next harmonic generation. The lattice constants of this tetragonal crystal certainly are a
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Using the evolutionary algorithm coupled with the main-ideas calculations, the stoichiometry and also the construction of a brand new loved ones of Al-Ga-S ternary sulfides are explored, along with a layered configuration While using the R3m space team is predicted as probably the most stable composition of AlGaS3. The second purchase nonlinear optical (NLO) Attributes of AlGaS3-R3m phase are further more calculated, and our effects reveal get more info that it is a promising candidate for your mid-infrared NLO material. Aside from the higher laser hurt threshold and The nice stage match capacity within the transmission array 0.four - 24 μm that covers the vast majority of mid-IR windows, the 2nd harmonic era (SHG) of AlGaS3-R3m is about four situations stronger than that with the professional AgGaS2 crystal.
Thioborate materials are actually considered for novel infrared nonlinear optical (NLO) products owning substantial optical nonlinear Attributes combined with favorable laser problems thresholds and broad transmission ranges in the visible on the mid-infrared regions. With this get the job done, known and new thioborate supplies have already been investigated that have the likely to overcome the minimal laser problems thresholds ... [Present full abstract] of the NLO chalcopyrite sulfide materials including AgGaS2 with no shedding their substantial nonlinear Houses and extensive transmission ranges. A different thioborate period, polycrystalline ZnxBa2B2S5+x (x �?0.two), has actually been organized via the response with the metallic sulfides and B2S3 glass in carbon crucibles sealed inside of evacuated silica tubes.
Although increasing big HGS crystals is very demanding, their high conversion effectiveness and broad radiation wavelength tuning vary make them a promising competitor to AgGaS�? AgGaSe�? ZnGeP�? and GaSe crystals.
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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。