The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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With this paper, the new lapping slurry and polishing slurry are launched. And the deliquescence diploma of CLBO is fallen to lowest. A whole new working technological innovation is additionally adopted. Just after tough sprucing, the focus of extremely-precision sprucing slurry is enhanced adequately. So does the extremely-precision sharpening speed, along with the wiping pace is faster in comparison to the deliquescence pace. The CLBO crystal floor roughness can accomplish 1nm and hold the surface area top quality very well. Entry by way of your institution
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We summarized the current enhancement standing of the superior-electric power DUV laser both for the wavelength of FHG from the one-μm laser and at 193 nm. The modern development on the solid-condition/fiber laser, as well as the nonlinear optical crystals, prompts not merely the standard ability but in addition the beam quality (coherence) in the DUV lasers to an unprecedented level.
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 can also be an outstanding nonlinear crystal which is often applied to the SHG through the NIR to the eco-friendly. The DUV laser is frequently understood by two stages of SFG within the LBO crystals because there is absolutely no period-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm to your DUV specifically by SHG [sixteen]. Not long ago, the NSBBF crystal has also proven its prospective to obtain a higher conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff on the NSBBF are Practically much like those of CLBO [seventeen].
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The click here conversion efficiency from essential NIR to DUV is from 5% to 36% in accordance with the documented results in Table one. Rising the conversion performance will decrease the stress on the look and setup of the elemental laser amplifier in addition to the electric powered energy intake. A good beam good quality of the elemental laser may also lead into the growing on the conversion performance and the appropriate energy intensity in the NIR and inexperienced laser while in the SHG and FHG course of action, respectively. The best conversion efficiencies from NIR to inexperienced and inexperienced to DUV laser by utilization of CLBO crystal are 70% and all around 50%, respectively [twelve], which corresponds into the conversion performance of 35% from basic to DUV.
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