On this paper, the new lapping slurry and sprucing slurry are launched. As well as the deliquescence diploma of CLBO is fallen to most affordable. A different Functioning technological innovation is likewise adopted. Soon after tough polishing, the concentration of extremely-precision sharpening slurry is enhanced correctly. So does the ultra-precision sharpening speed, as well as the wiping speed is quicker than the deliquescence velocity. The CLBO crystal area roughness can achieve 1nm and keep the area high-quality properly. Access as a result of your establishment
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According to the evidence-of-basic principle experiment, the conversion performance of 23% implied the possibility of achieving significant-power at the 2nd Stokes wavelength of your Raman laser. If the pump laser of 1078 nm could be attained at the standard ability of fifty W, the output energy of its 2nd Stokes wavelength at 1512 nm could possibly be greater than 10 W. The look on the Raman laser cavity needs to be optimized to be able to steer clear of the harm of the M1 and diamond floor.
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 twin-wavelength Yb-doped fiber laser. Every single laser is more info amplified by stages of fiber amplifier and Yb-doped resources amplifier, respectively.
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Also, combining the reliable-condition laser with other nonlinear approach including stimulated Raman scattering, NIR lasers could be obtained at new wavelengths with significant electricity and higher beam good quality, which was tested by the proof-of-principle experiment. This Raman laser plan delivers a whole new path to the substantial-electricity DUV laser, Particularly within the wavelength of 193 nm.
The beam profile demonstrated in Figure 7b shown a fantastic beam good quality as one of the merits of Raman laser, which might be advantageous to deliver a 193-nm DUV laser with a high quality beam.
The conversion performance from basic NIR to DUV is from five% to 36% according to the noted results in Table one. Increasing the conversion performance will decrease the burden on the look and setup of the fundamental laser amplifier plus the electric energy use. A fantastic beam good quality of the basic laser may also add for the growing of your conversion efficiency together with the appropriate ability intensity on the NIR and environmentally friendly laser while in the SHG and FHG approach, respectively. The best conversion efficiencies from NIR to eco-friendly and inexperienced to DUV laser by usage of CLBO crystal are 70% and close to 50%, respectively [12], which corresponds on the conversion effectiveness of 35% from essential to DUV.
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