The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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In this paper, the new lapping slurry and sprucing slurry are introduced. As well as the deliquescence diploma of CLBO is fallen to most affordable. A completely new Operating technological innovation is likewise adopted. After rough sharpening, the focus of extremely-precision sharpening slurry is improved appropriately. So does the ultra-precision sharpening speed, and also the wiping velocity is quicker compared to deliquescence speed. The CLBO crystal surface area roughness can realize 1nm and retain the floor top quality nicely. Obtain via your establishment
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全固态紫外激光器以其体积小、寿命长、效率高、光束质量好、调谐范围宽、谱线窄等优点，广泛应用于机械探伤、光刻、微加工和医学等领域，等，利用大功率近红外相干光源作为基于非线性调谐技术的基频源，通过多级变频产生紫外相干辐射被认为是发展紫外相干光源的重要途径。紫外相干光源的关键问题是研制紫外波段的非线性光学变频晶体。非线性光学晶体是实现频率变换的条件之一，因此对非线性光学晶体的生长、尺寸、损伤电阻、转换效率和允许的参数范围提出了越来越高的要求。
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LBO is additionally a wonderful nonlinear crystal which is always applied to the SHG in the NIR to your environmentally friendly. The DUV laser is often understood by two levels of SFG in the LBO crystals considering that there is not any section-matching angle for LBO to transform the environmentally friendly laser at 515 nm or 532 nm to the DUV directly by SHG [16]. Recently, the NSBBF crystal has also demonstrated its likely to get a substantial conversion effectiveness from 532 nm to 266 nm. The walk-off angle and deff of the NSBBF are almost comparable to All those of CLBO [17].
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics of your Nd:YAG elementary laser wavelength. So as to enrich the hurt threshold, minimal CLBO area roughness, by extremely-precision machining, is needed. As the CLBO crystal has uncomplicated hydroscopic reaction and micro scratches in machining, extremely-exact machining of the CLBO crystal is usually a difficult technological dilemma.
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The conversion efficiency from elementary NIR to DUV is from 5% to 36% based on the noted brings about Table 1. Increasing the conversion effectiveness will lessen the burden on the design and set up of the elemental laser amplifier in addition to the electric powered electrical power intake. A good beam top quality of the basic laser will also click here lead to your expanding from the conversion effectiveness together with the right power intensity from the NIR and eco-friendly laser inside the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to inexperienced and eco-friendly to DUV laser by use of CLBO crystal are 70% and about 50%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from essential to DUV.
The development on the 193-nm laser was shown by stages of SFG. So that you can scale the DUV laser electrical power correctly, a brand new strategy of the 193-nm DUV laser generation is offered dependant on the diamond Raman laser.