During this paper, The brand new lapping slurry and sharpening slurry are introduced. Along with the deliquescence degree of CLBO is fallen to most affordable. A different Performing know-how is additionally adopted. Right after tough polishing, the focus of extremely-precision sprucing slurry is greater properly. So does the ultra-precision polishing speed, as well as the wiping speed is faster compared to the deliquescence speed. The CLBO crystal surface roughness can achieve 1nm and continue to keep the area good quality nicely. Access as a result of your establishment

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The normal power from the NIR laser continue to has the probable being enhanced to tens of watts for instance 70 W [26] In the event the double-pass configuration might be used for the Yb:YAG SCF amplifier stage. For this reason, When the conversion effectiveness of 31% from NIR to DUV can be continue to taken care of at this higher electricity affliction, the common output electricity of your DUV laser at 258 nm may very well be over twenty W, which would be considered a impressive electricity stage to the DUV laser and produce the unanticipated DUV laser machining outcomes. Also, for high-power DUV laser, the UV injury from the nonlinear crystal, such as the windows for CLBO crystal and the mirrors, is yet another critical parameter for lasting and stable operation.

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Both the 1040 nm and 1078 nm laser come from a person twin-wavelength Yb-doped fiber laser. Each laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.

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While in the scientific and industrial apps, the beam high-quality with the DUV laser is usually an important parameter. Especially, the beam excellent on the DUV laser substantially impacts the laser machining outcomes. The beam quality of your DUV laser is determined by that of the elemental laser along with the crystal for the frequency conversion. Lately, a higher-power DUV laser (>10 W) at 258 nm was reported which has a beam excellent of M2 < 1.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would lead to a much better laser machining final result when compared with the prior DUV lasers with larger M2.

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Also, combining the sound-point out laser with other check here nonlinear procedure such as stimulated Raman scattering, NIR lasers might be achieved at new wavelengths with substantial electrical power and superior beam top quality, which was tested through the proof-of-principle experiment. This Raman laser scheme provides a fresh route to the high-electricity DUV laser, In particular on the wavelength of 193 nm.

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