A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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With this paper, the new lapping slurry and polishing slurry are launched. And also the deliquescence degree of CLBO is fallen to least expensive. A brand new Doing work technological know-how can also be adopted. Just after rough polishing, the concentration of extremely-precision sharpening slurry is elevated effectively. So does the ultra-precision polishing velocity, and also the wiping velocity is quicker in comparison to the deliquescence pace. The CLBO crystal area roughness can reach 1nm and keep the area excellent very well. Accessibility by way of your institution
Compared to BBO it functions more substantial spectral and temperature acceptance, improved angle tolerance, and a lesser walk-off angle. from 3289 $ supply
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As an illustration, The present concave OC could get replaced by a aircraft mirror which could mitigate the power density over the floor of M1 as well as the diamond. Additionally, employing superior problems threshold coatings for M1 and diamond would also Increase the output electric power without any damages. Then, the NIR laser within the 2nd Stokes wavelength could possibly be high ample, as well as its very good beam quality, to make the ultimate DUV laser at 193 nm with a large normal power.
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On one other aspect, the power scaling of the NIR laser is yet another factor to boost the typical power of your 193-nm DUV laser. Due to insufficient the superior-electricity amplification Answer of the NIR laser (one example is at 1553 nm), nonlinear frequency processes for example optical parameter oscillation (OPO) might be applied to establish a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength together with getting relative higher electrical power [21]. A short while ago, a diamond Raman laser confirmed its skill in reaching a large electric power in addition to a high conversion efficiency in the 1st Stokes in the 1-μm laser [22,23], which implies the possibility to become applied within the 193-nm DUV laser generation thanks to its high Raman gain and enormous frequency change.
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While in the scientific and industrial programs, the beam top quality in the DUV laser is additionally a crucial parameter. Especially, the beam excellent of your DUV laser considerably impacts the laser machining results. The beam high-quality on the DUV laser is determined by that of the basic laser and the crystal for that frequency conversion. Not too long ago, a superior-electricity DUV laser (>ten W) at 258 nm was noted that has a beam high quality of M2 < 1.5, which was generated by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an improved laser machining final result in comparison with the past DUV lasers with larger M2.
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The development on the 193-nm laser was shown by stages of SFG. So that you can scale the DUV laser energy proficiently, a different idea on the 193-nm DUV laser more info technology is introduced according to the diamond Raman laser.