A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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On this paper, The brand new lapping slurry and sprucing slurry are introduced. As well as the deliquescence degree of CLBO is fallen to least expensive. A brand new Performing technology is additionally adopted. Soon after tough sharpening, the concentration of ultra-precision sprucing slurry is increased effectively. So does the ultra-precision polishing velocity, as well as wiping velocity is faster as opposed to deliquescence pace. The CLBO crystal surface roughness can attain 1nm and continue to keep the area good quality properly. Accessibility through your establishment
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We summarized The present development position in the high-electric power DUV laser both for the wavelength of FHG of the 1-μm laser and at 193 nm. The current improvement of your reliable-state/fiber laser, and also the nonlinear optical crystals, prompts not merely the average electricity but will also the beam top quality (coherence) with the DUV lasers to an unprecedented degree.
The common electric power with the NIR laser however has the probable to get improved to tens of watts for instance 70 W [26] In case the double-pass configuration can be utilized with the Yb:YAG SCF amplifier stage. Hence, In case the conversion efficiency of 31% from NIR to DUV may very well be however maintained at this increased ability affliction, the typical output ability in the DUV laser at 258 nm can be a lot more than twenty W, which might become a amazing ability stage to the DUV laser and bring on the unanticipated DUV laser machining success. Moreover, for top-power DUV laser, the UV damage of the nonlinear crystal, such as the Home windows for CLBO crystal along with the mirrors, is another essential parameter for long lasting and stable Procedure.
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Both equally the 1040 nm and 1078 nm laser come from just one dual-wavelength Yb-doped fiber laser. Just about every laser is amplified by stages of fiber amplifier and Yb-doped elements amplifier, respectively.
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Inside the scientific and industrial programs, the beam high quality of the DUV laser is also an important parameter. Particularly, the beam quality from the DUV laser drastically affects the laser machining success. The beam good quality from the DUV laser is decided by that of the fundamental laser and the crystal to the frequency conversion. Lately, a superior-electrical power DUV laser (>ten W) at 258 nm was noted that has a beam top CLBO Crystal quality of M2 < one.five, which was produced by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring on a greater laser machining end result compared to the earlier DUV lasers with much larger M2.
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The beam profile shown in Figure 7b demonstrated an excellent beam quality as one of several deserves of Raman laser, which might be beneficial to create a 193-nm DUV laser with a high quality beam.
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