CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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During this paper, the new lapping slurry and sharpening slurry are launched. As well as deliquescence degree of CLBO is fallen to most affordable. A whole new Doing the job technological innovation can be adopted. Just after tough sprucing, the focus of extremely-precision sharpening slurry is enhanced thoroughly. So does the extremely-precision sprucing velocity, plus the wiping pace is faster as opposed to deliquescence speed. The CLBO crystal surface roughness can achieve 1nm and continue to keep the floor excellent properly. Accessibility as a result of your establishment
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Based on the evidence-of-basic principle experiment, the conversion efficiency of 23% implied the potential of obtaining high-electrical power at the next Stokes wavelength with the Raman laser. Should the pump laser of 1078 nm could be attained at the normal power of fifty W, the output ability of its 2nd Stokes wavelength at 1512 nm can be much more than 10 W. The design of your Raman laser cavity must be optimized to be able to steer clear of the injury with the M1 and diamond floor.
As an example, the current concave OC could get replaced by a plane mirror which could mitigate the facility density to the area of M1 plus the diamond. In addition, using large harm threshold coatings for M1 and diamond would also Increase the output electrical power with none damages. Then, the NIR laser with the 2nd Stokes wavelength might be significant sufficient, together with its good beam good quality, to deliver the ultimate DUV laser at 193 nm by using a superior typical electricity.
Conversely, the beam excellent of the larger ability DUV laser would grow to be even worse as a consequence of a lot more really serious thermal and nonlinear effects. That's why, the frequency conversion processes must be diligently made to mitigate the aforementioned results. As a result, a substantial-electric power DUV laser within the FHG of one μm with a fantastic beam high-quality can be attained and can be useful for obtaining the shorter wavelength DUV lasers including 193 nm by SFG.
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On the opposite side, the facility scaling with the NIR laser is an additional element to increase the normal electricity from the 193-nm DUV laser. Because of the not enough the large-ability amplification Option in the NIR laser (for example at 1553 nm), nonlinear frequency processes which include optical parameter oscillation (OPO) may be placed on create a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength and obtaining relative better power [21]. Just lately, a diamond Raman laser confirmed its means 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 being applied within the 193-nm DUV laser generation because of its high Raman gain and enormous frequency change.
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The conversion efficiency from essential NIR to DUV is from 5% to 36% in accordance with the documented brings about Table one. Increasing the conversion effectiveness will lessen the burden on the look and set up of the fundamental laser amplifier and also the electric electric power use. An excellent beam high-quality of the fundamental laser will even contribute towards the rising of your conversion performance in addition to the appropriate electric power depth with the NIR and environmentally friendly laser in the SHG and FHG read more procedure, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [12], which corresponds towards the conversion efficiency of 35% from essential to DUV.
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