CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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In this particular paper, the new lapping slurry and polishing slurry are introduced. Plus the deliquescence diploma of CLBO is fallen to cheapest. A brand new Doing work technological know-how can be adopted. Just after rough polishing, the focus of ultra-precision sprucing slurry is amplified properly. So does the ultra-precision polishing velocity, plus the wiping velocity is faster in comparison to the deliquescence velocity. The CLBO crystal area roughness can achieve 1nm and hold the area top quality effectively. Entry as a result of your institution
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In accordance with the proof-of-principle experiment, the conversion effectiveness of 23% implied the possibility of attaining large-ability at the second Stokes wavelength from the Raman laser. Should the pump laser of 1078 nm might be acquired at the typical energy of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be greater than ten W. The design of the Raman laser cavity needs to be optimized in an effort to stay away from the damage with the M1 and diamond surface.
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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Equally the 1040 nm and 1078 nm laser originate from 1 dual-wavelength Yb-doped fiber laser. Each laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.
On another side, the power scaling on the NIR laser is an additional facet to raise the common energy of the 193-nm DUV laser. Because of the not enough the high-ability amplification Option from the NIR laser (for instance at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) can be applied to make a wavelength converter by shifting the wavelength from one μm to the desired wavelength along with getting relative higher electricity [21]. Recently, a diamond Raman laser showed its capacity in acquiring a large electric power and also a significant conversion performance in the 1st Stokes on the one-μm laser [22,23], which suggests the chance to generally be used within the 193-nm DUV laser technology because of its higher Raman gain and huge frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics from the Nd:YAG basic laser wavelength. In order to improve the harm threshold, very low CLBO floor roughness, by ultra-precision machining, is needed. As the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, extremely-precise machining of the CLBO crystal is usually a hard technical trouble.
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The conversion efficiency from basic NIR to DUV is from five% to 36% according to the documented brings about Desk 1. Rising the conversion performance will reduce the burden on the design and setup of the fundamental laser amplifier plus the electric powered power usage. A superb beam top quality of the get more info basic laser can even add to the growing in the conversion effectiveness and the right electricity depth of your NIR and environmentally friendly laser inside the SHG and FHG method, respectively. The highest conversion efficiencies from NIR to inexperienced and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and all around 50%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from elementary to DUV.
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