On this paper, the new lapping slurry and sprucing slurry are released. Plus the deliquescence degree of CLBO is fallen to lowest. A brand new Operating technologies can also be adopted. Just after rough sharpening, the concentration of extremely-precision sharpening slurry is increased thoroughly. So does the ultra-precision sprucing velocity, plus the wiping speed is quicker as opposed to deliquescence pace. The CLBO crystal area roughness can accomplish 1nm and retain the surface area high-quality nicely. Obtain by means of your establishment
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For example, The present concave OC could get replaced by a aircraft mirror which could mitigate the power density over the surface of M1 as well as the diamond. Additionally, applying substantial injury threshold coatings for M1 and diamond would also Increase the output power with none damages. Then, the NIR laser at the 2nd Stokes wavelength may very well be higher ample, together with its great beam excellent, to crank out the final DUV laser at 193 nm which has a significant regular electricity.
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While in the scientific and industrial applications, the beam high-quality in the DUV laser is usually a very important parameter. Notably, the beam quality of the DUV laser dramatically influences the laser machining final results. The beam excellent from the DUV laser is set by that of the elemental laser as well as crystal for that frequency conversion. Not too long ago, a higher-power DUV laser (>ten W) at 258 nm was reported using a beam high quality of M2 < one.five, which was generated by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. click here This laser would cause a much better laser machining consequence when compared with the previous DUV lasers with larger M2.
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The conversion efficiency from elementary NIR to DUV is from five% to 36% based on the claimed results in Table one. Increasing the conversion efficiency will lessen the stress on the look and set up of the elemental laser amplifier along with the electric electrical power intake. A very good beam high quality of the fundamental laser will even lead towards the increasing of the conversion performance and the suitable electrical power depth of your NIR and inexperienced laser from the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to green and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and around fifty%, respectively [twelve], which corresponds for the conversion performance of 35% from basic to DUV.
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