CLBO Crystal Fundamentals Explained
CLBO Crystal Fundamentals Explained
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In this paper, The brand new lapping slurry and sprucing slurry are introduced. And the deliquescence degree of CLBO is fallen to most affordable. A completely new Doing work engineering is likewise adopted. After rough polishing, the focus of extremely-precision sharpening slurry is amplified effectively. So does the extremely-precision polishing speed, plus the wiping pace is faster in comparison to the deliquescence pace. The CLBO crystal surface roughness can achieve 1nm and retain the surface good quality well. Accessibility by means of your institution
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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 also an outstanding nonlinear crystal which is always applied to the SHG in the NIR for the green. The DUV laser is frequently understood by two levels of SFG inside the LBO crystals considering that there isn't any period-matching angle for LBO to convert the inexperienced laser at 515 nm or 532 nm towards the DUV immediately by SHG [16]. A short while ago, the NSBBF crystal has also demonstrated its opportunity to acquire a high conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff in the NSBBF are Practically similar to People of CLBO here [17].
On the other aspect, the facility scaling in the NIR laser is yet another aspect to improve the typical energy with the 193-nm DUV laser. Due to the lack of the superior-energy amplification Alternative from the NIR laser (such as at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) could possibly be placed on produce a wavelength converter by shifting the wavelength from one μm to the specified wavelength and also obtaining relative better energy [21]. Recently, a diamond Raman laser showed its means in attaining a superior electricity as well as a superior conversion efficiency for the 1st Stokes of your 1-μm laser [22,23], which implies the likelihood to get used within the 193-nm DUV laser era thanks to its high Raman obtain and huge frequency shift.
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Tunable ultraviolet laser supply dependant on strong-point out dye laser technological innovation and CsLiB6O10 harmonic technology
The conversion effectiveness from basic NIR to DUV is from 5% to 36% based on the reported leads to Table one. Rising the conversion effectiveness will lessen the burden on the look and set up of the elemental laser amplifier as well as the electric powered ability intake. A fantastic beam excellent of the elemental laser will also add to your growing on the conversion efficiency in addition to the suitable electric power depth of your NIR and inexperienced laser inside the SHG and FHG approach, respectively. The highest conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by usage of CLBO crystal are 70% and around fifty%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from elementary to DUV.
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