On this paper, The brand new lapping slurry and sprucing slurry are introduced. Along with the deliquescence degree of CLBO is fallen to least expensive. A whole new Performing engineering is usually adopted. Immediately after tough sharpening, the concentration of ultra-precision sprucing slurry is enhanced appropriately. So does the ultra-precision sprucing velocity, and also the wiping speed is quicker than the deliquescence velocity. The CLBO crystal surface area roughness can attain 1nm and preserve the surface area high-quality nicely. Access via your institution
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For instance, The existing concave OC could get replaced by a aircraft mirror which could mitigate the power density over the floor of M1 along with the diamond. What's more, making use of higher hurt threshold coatings for M1 and diamond would also improve the output energy with no damages. Then, the NIR laser on the 2nd Stokes wavelength might be high plenty of, along with its very good beam top quality, to make the final DUV laser at 193 nm having a superior ordinary energy.
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While in the scientific and industrial apps, the beam good quality on the DUV laser is additionally a crucial parameter. Especially, the beam good quality in the DUV laser dramatically influences the laser machining benefits. The beam high-quality in the DUV laser is decided by that of the fundamental laser along with the crystal with the frequency conversion. Not too long ago, a superior-power DUV laser (>10 W) at 258 nm was described with a beam top quality of M2 < one.five, which was created by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would bring about an even better laser machining final result in comparison with the prior DUV lasers with bigger M2.
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Tunable ultraviolet laser source dependant on CLBO Crystal solid-point out dye laser technological innovation and CsLiB6O10 harmonic era
The conversion efficiency from elementary NIR to DUV is from five% to 36% based on the reported ends in Desk 1. Expanding the conversion efficiency will decrease the stress on the design and set up of the elemental laser amplifier in addition to the electric electric power use. An excellent beam excellent of the fundamental laser will even lead to your increasing from the conversion efficiency along with the suitable electricity intensity in the NIR and eco-friendly laser inside 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 over 50%, respectively [12], which corresponds into the conversion effectiveness of 35% from basic to DUV.
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