The best Side of CLBO Crystal
The best Side of CLBO Crystal
Blog Article
Within this paper, The brand new lapping slurry and sharpening slurry are released. As well as deliquescence diploma of CLBO is fallen to cheapest. A completely new Functioning technological know-how is additionally adopted. Just after rough sprucing, the concentration of ultra-precision sharpening slurry is greater correctly. So does the ultra-precision sharpening pace, plus the wiping velocity is quicker as opposed to deliquescence pace. The CLBO crystal surface area roughness can accomplish 1nm and preserve the surface high quality nicely. Obtain through your institution
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For instance, The existing concave OC could be replaced by a plane mirror which could mitigate the facility density about the surface area of M1 and the diamond. Also, employing substantial injury threshold coatings for M1 and diamond would also improve the output power with no damages. Then, the NIR laser with the 2nd Stokes wavelength could possibly be higher plenty of, along with its fantastic beam top quality, to deliver the ultimate DUV laser at 193 nm with a large normal electric power.
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Each the 1040 nm and 1078 nm laser originate from 1 dual-wavelength Yb-doped fiber laser. Every laser is amplified by stages of fiber amplifier and Yb-doped supplies amplifier, respectively.
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In the scientific and industrial purposes, the beam quality of the DUV laser is also an important parameter. Particularly, the beam high-quality on the DUV laser substantially impacts the laser machining results. The beam high-quality with the DUV laser is decided by that of the basic laser along with the crystal for your frequency conversion. Recently, a substantial-energy DUV laser (>ten W) at 258 nm was noted with a here beam high quality of M2 < one.5, which was produced by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would bring on an improved laser machining final result when compared with the previous DUV lasers with more substantial M2.
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The conversion efficiency from elementary NIR to DUV is from 5% to 36% in accordance with the noted brings about Table one. Growing the conversion effectiveness will reduce the load on the look and setup of the basic laser amplifier along with the electrical ability consumption. A superb beam quality of the basic laser can even contribute for the raising of the conversion effectiveness together with the appropriate electrical power intensity in the NIR and inexperienced laser from the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by use of CLBO crystal are 70% and around fifty%, respectively [twelve], which corresponds to the conversion performance of 35% from essential to DUV.
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