In this paper, the new lapping slurry and sharpening slurry are released. Plus the deliquescence degree of CLBO is fallen to cheapest. A fresh Doing the job engineering is likewise adopted. Following rough sharpening, the focus of extremely-precision sprucing slurry is enhanced correctly. So does the extremely-precision polishing pace, as well as wiping speed is faster when compared to the deliquescence velocity. The CLBO crystal surface roughness can accomplish 1nm and hold the surface area excellent well. Obtain through your establishment

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Based on the evidence-of-principle experiment, the conversion effectiveness of 23% implied the opportunity of obtaining superior-electricity at the 2nd Stokes wavelength of the Raman laser. In case the pump laser of 1078 nm can be obtained at the typical electricity of fifty W, the output ability of its 2nd Stokes wavelength at 1512 nm could be more than ten W. The look on the Raman laser cavity need to be optimized so that you can stay away from the damage with the M1 and diamond area.

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。

However, the beam high-quality of this larger electrical power DUV laser would grow to be even worse on account of much more really serious thermal and nonlinear results. As a result, the frequency conversion processes should be cautiously built to mitigate the aforementioned outcomes. Hence, a substantial-electricity DUV laser within the FHG of 1 μm with a superb beam high quality can be acquired and can be beneficial for obtaining the shorter wavelength DUV lasers including 193 nm by SFG.

LBO can be a fantastic nonlinear crystal which is usually placed on the SHG from your NIR to your eco-friendly. The DUV laser will likely be recognized by two levels of SFG during the LBO crystals considering that there is not any phase-matching angle for LBO to convert the environmentally friendly laser at 515 nm or 532 nm to the DUV specifically by SHG [16]. Lately, the NSBBF crystal has also revealed its prospective to acquire a large conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff from the NSBBF are Practically comparable to Those people of CLBO [17].

On one other facet, the power scaling in the NIR laser is an additional part to boost the regular electrical power of the 193-nm DUV laser. Mainly because of the insufficient the significant-ability amplification Alternative of the NIR laser (for example at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) may be applied to establish a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength and acquiring relative higher electricity [21]. Just lately, a diamond Raman laser showed its skill in obtaining a high ability get more info as well as a high conversion effectiveness in the 1st Stokes on the 1-μm laser [22,23], which means the possibility to get used within the 193-nm DUV laser era as a consequence of its substantial Raman achieve and enormous frequency shift.

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Tunable ultraviolet laser resource dependant on solid-point out dye laser technologies and CsLiB6O10 harmonic generation

The conversion efficiency from fundamental NIR to DUV is from 5% to 36% in accordance with the documented ends in Desk one. Rising the conversion efficiency will reduce the burden on the look and set up of the fundamental laser amplifier and also the electric powered power usage. A good beam high quality of the fundamental laser will likely contribute to the expanding with the conversion performance along with the right power depth of your NIR and inexperienced laser in the SHG and FHG method, respectively. The highest conversion efficiencies from NIR to green and environmentally friendly to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [12], which corresponds towards the conversion performance of 35% from elementary to DUV.

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