CLBO Crystal Fundamentals Explained
CLBO Crystal Fundamentals Explained
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During this paper, the new lapping slurry and sharpening slurry are released. And the deliquescence degree of CLBO is fallen to cheapest. A completely new Operating engineering is usually adopted. Following rough sprucing, the concentration of ultra-precision sharpening slurry is increased thoroughly. So does the ultra-precision polishing velocity, and the wiping velocity is quicker in comparison to the deliquescence pace. The CLBO crystal floor roughness can obtain 1nm and hold the surface area top quality perfectly. Obtain as a result of 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。
Alternatively, the beam excellent of the greater electrical power DUV laser would turn out to be worse resulting from more significant thermal and nonlinear results. For this reason, the frequency conversion procedures need to be carefully made to mitigate the aforementioned results. As a result, a substantial-electrical power DUV laser with the FHG of 1 μm with a good beam high-quality may be acquired and will be beneficial for getting the shorter wavelength DUV lasers which include 193 nm by SFG.
LBO can be an excellent nonlinear crystal which is always applied to the SHG with the NIR towards the eco-friendly. The DUV laser is frequently understood by two levels of SFG within the LBO crystals since there's no phase-matching angle for LBO to convert the green laser at 515 nm or 532 nm on the DUV specifically by SHG [sixteen]. Recently, the NSBBF crystal has also shown its possible to obtain a higher conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff of your NSBBF are Pretty much comparable to All those of CLBO [17].
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Inside the scientific and industrial programs, the beam top quality in the DUV laser can be a vital parameter. Especially, the beam high-quality with the DUV laser considerably influences the laser machining final results. The beam top quality from the DUV laser is decided by that of the basic laser as well as the crystal for that frequency conversion. Not long ago, a large-energy DUV laser (>ten W) at 258 nm was noted with a beam excellent of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would produce a much better laser machining consequence in comparison with the past DUV lasers with larger M2.
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Its UV absorption edge reaches a hundred and eighty nm. The productive nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as big as that of KDP. CLBO crystals might be grown in the stoichiometric melt with reduce viscosity.
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