Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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With this paper, The brand new lapping slurry and sharpening slurry are introduced. Plus the deliquescence diploma of CLBO is fallen to least expensive. A brand new Performing technological know-how is likewise adopted. Just after rough sprucing, the concentration of ultra-precision polishing slurry is enhanced effectively. So does the extremely-precision polishing speed, as well as the wiping velocity is faster compared to deliquescence pace. The CLBO crystal surface area roughness can accomplish 1nm and keep the floor top quality perfectly. Accessibility by means of your establishment
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The common electricity of the NIR laser continue to has the prospective to get improved to tens of watts for instance 70 W [26] if the double-pass configuration can be utilized for the Yb:YAG SCF amplifier stage. Therefore, In case the conversion efficiency of 31% from NIR to DUV could be nonetheless managed at this better electrical power problem, the common output electric power in the DUV laser at 258 nm could possibly be greater than 20 W, which would be a exceptional ability amount for your DUV laser and result in the unanticipated DUV laser machining effects. Furthermore, for high-energy DUV laser, the UV destruction on the nonlinear crystal, such as the windows for CLBO crystal as well as mirrors, is yet another crucial parameter for long run and secure Procedure.
Conversely, the beam quality of this bigger power DUV laser would develop into even worse on account of far more major thermal and nonlinear effects. That's why, the frequency conversion processes really should be meticulously created to mitigate the aforementioned outcomes. Consequently, a significant-ability DUV laser for the FHG of 1 μm with a good beam good quality could possibly be obtained and can be valuable for obtaining the shorter wavelength DUV lasers for example 193 nm by SFG.
LBO is additionally a fantastic nonlinear crystal which is often applied to the SHG from your NIR to your environmentally friendly. The DUV laser is generally recognized by two stages of SFG in the LBO crystals since there is not any period-matching angle for LBO to transform the green laser at 515 nm or 532 nm towards the DUV right by SHG [sixteen]. Recently, the NSBBF crystal has also proven its opportunity to acquire a substantial conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff in the NSBBF are Just about just like Those people of CLBO [seventeen].
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Furthermore, combining the reliable-point out laser with other nonlinear procedure such as stimulated Raman scattering, NIR lasers could be obtained at new wavelengths with higher electricity and large beam good quality, which was examined through the proof-of-principle experiment. This Raman laser plan delivers a different route to the large-energy DUV laser, especially at the wavelength of 193 nm.
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