Within this paper, the new lapping slurry and sprucing slurry are released. And also the deliquescence degree of CLBO is fallen to cheapest. A new Doing work know-how can also be adopted. After tough polishing, the concentration of ultra-precision sprucing slurry is elevated correctly. So does the extremely-precision sprucing speed, and also the wiping speed is faster compared to the deliquescence speed. The CLBO crystal area roughness can reach 1nm and continue to keep the floor good quality effectively. Accessibility by means of your establishment
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We summarized The present growth status of your significant-electrical power DUV laser both on the wavelength of FHG with the one-μm laser and at 193 nm. The the latest enhancement of your good-state/fiber laser, plus the nonlinear optical crystals, prompts don't just the typical ability and also the beam top quality (coherence) in the DUV lasers to an unprecedented level.
The common electricity from the NIR laser nonetheless has the possible to generally be enhanced to tens of watts like 70 W [26] When the double-go configuration can be utilized for that Yb:YAG SCF amplifier stage. That's why, If your conversion efficiency of 31% from NIR to DUV may very well be nevertheless maintained at this better electricity situation, the normal output energy on the DUV laser at 258 nm can be over twenty W, which would become a remarkable electrical power degree for the DUV laser and result in the unanticipated DUV laser machining final results. Also, for prime-electric power DUV laser, the UV damage of the nonlinear crystal, such as the Home windows for CLBO crystal and the mirrors, is another important parameter for long term and secure Procedure.
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Tunable ultraviolet laser source according to sound-state dye laser engineering and CsLiB6O10 harmonic era
The conversion performance from basic NIR to DUV is from five% to 36% based on the reported ends in Desk 1. Rising the conversion efficiency will decrease the stress on the design and setup of the elemental laser amplifier plus the electric powered electrical power use. A great beam excellent of the elemental laser may also lead to your increasing in the conversion effectiveness together with the suitable energy intensity with the NIR and environmentally friendly laser in the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [twelve], which corresponds into the conversion performance of 35% from elementary to DUV.
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