In this paper, The brand new lapping slurry and polishing slurry are launched. And the deliquescence degree of CLBO is fallen to most affordable. A whole new Functioning technology is additionally adopted. Immediately after tough sprucing, the focus of extremely-precision sharpening slurry is amplified appropriately. So does the extremely-precision polishing pace, plus the wiping velocity is quicker than the deliquescence speed. The CLBO crystal surface roughness can achieve 1nm and keep the floor excellent very well. Entry by way of your institution
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According to the evidence-of-theory experiment, the conversion performance of 23% implied the possibility of accomplishing significant-energy at the next Stokes wavelength on the Raman laser. If your pump laser of 1078 nm could be obtained at the average electricity of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm can be much more than ten W. The look with the Raman laser cavity must be optimized as a way to avoid the harm of the M1 and diamond floor.
The common ability of your NIR laser however has the possible to be enhanced to tens of watts for example 70 W [26] In case the double-pass configuration could be used for that Yb:YAG SCF amplifier stage. As a result, if the conversion efficiency of 31% from NIR to DUV can be nevertheless managed at this greater electric power situation, the normal output power on the DUV laser at 258 nm can be in excess of 20 W, which would be described as a impressive power degree for that DUV laser and lead to the unanticipated DUV laser machining final results. What's more, for high-electricity DUV laser, the UV problems of the nonlinear crystal, including the Home windows for CLBO crystal as well as mirrors, is yet another vital parameter for long-lasting and secure operation.
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Additionally, combining the good-state laser with other nonlinear procedure for instance stimulated Raman scattering, NIR lasers can be accomplished at new wavelengths with significant electricity and superior beam high quality, which was tested with the evidence-of-basic principle experiment. This Raman laser plan provides a brand new route to the substantial-electric power DUV laser, especially in the wavelength of 193 nm.
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Its UV absorption edge reaches one hundred eighty nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as significant as that of KDP. CLBO crystals is often grown within the stoichiometric melt with lower viscosity.
The development on the 193-nm laser was shown by phases of SFG. So that you can scale the DUV laser electricity effectively, a whole new thought in the 193-nm DUV laser technology is introduced according to the diamond Raman laser.