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. Plus the deliquescence diploma of CLBO is fallen to most affordable. A completely new Functioning know-how is also adopted. Right after rough polishing, the concentration of ultra-precision polishing slurry is increased effectively. So does the ultra-precision polishing velocity, and the wiping velocity is quicker when compared to the deliquescence velocity. The CLBO crystal floor roughness can realize 1nm and hold the floor top quality effectively. Access as a result of your establishment
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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 of M1 and also the diamond. Moreover, working with substantial harm threshold coatings for M1 and diamond would also Increase the output electrical power without any damages. Then, the NIR laser for the 2nd Stokes wavelength could possibly be high ample, as well as its good beam good quality, to generate the final DUV laser at 193 nm that has a high common ability.
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Equally the 1040 nm and 1078 nm laser come from 1 twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by phases of fiber amplifier and Yb-doped resources amplifier, respectively.
On the other facet, the ability scaling in the NIR laser is another aspect to improve the regular electrical power of the 193-nm DUV laser. Mainly because of the deficiency of the higher-power amplification solution with the NIR laser (as an example at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) can be applied to produce a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength and also getting relative greater electric power [21]. Lately, a diamond Raman laser showed its skill in attaining a superior energy plus a superior conversion performance at the 1st Stokes from the 1-μm laser [22,23], which implies the chance to generally be used during the 193-nm DUV laser technology thanks to its superior Raman gain and enormous frequency shift.
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In addition, combining the good-condition laser with other nonlinear system including stimulated Raman scattering, NIR lasers could be attained at new wavelengths with significant power and large beam top quality, which was tested with the evidence-of-basic principle experiment. This Raman laser plan presents a brand new route to the higher-electrical power DUV laser, Specially for the wavelength of 193 nm.
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Its UV absorption edge reaches 180 nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as big as that of KDP. CLBO crystals can be developed in the stoichiometric soften with decrease viscosity.
The event on the 193-nm laser was shown by stages of SFG. So that you can scale the DUV laser electricity properly, a new principle of your 193-nm DUV laser generation is offered dependant on the diamond Raman laser.