On this paper, The brand new lapping slurry and sprucing slurry are launched. And the deliquescence diploma of CLBO is fallen to most affordable. A completely new Functioning know-how is also adopted. Following rough polishing, the focus of ultra-precision sharpening slurry is increased effectively. So does the ultra-precision sharpening pace, plus the wiping velocity is quicker in comparison to the deliquescence velocity. The CLBO crystal surface roughness can obtain 1nm and hold the surface area high quality well. Obtain by way of your institution
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In accordance with the proof-of-theory experiment, the conversion efficiency of 23% implied the potential of acquiring higher-electricity at the next Stokes wavelength with the Raman laser. Should the pump laser of 1078 nm could be obtained at the normal electricity of fifty W, the output electric power of its 2nd Stokes wavelength at 1512 nm could be greater than 10 W. The design from the Raman laser cavity ought to be optimized as a way to stay away from the hurt with the M1 and diamond floor.
The key challenge of ultraviolet coherent light-weight resource predominantly concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is one of the circumstances for frequency transformation, so The expansion, sizing, injury resistance, conversion effectiveness and allowable parameter choice of nonlinear optical crystal are demanded A growing number of.
On the flip side, the beam excellent of this increased power DUV laser would come to be worse because of far more major thermal and nonlinear effects. Consequently, the frequency conversion processes must be diligently created to mitigate the aforementioned outcomes. So, a higher-electric power DUV laser in the FHG of 1 μm with an excellent beam excellent may be received and will be advantageous for getting the shorter wavelength DUV lasers which include 193 nm by SFG.
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On another facet, the ability scaling in the NIR laser is another facet to increase the ordinary ability of your 193-nm DUV laser. Mainly because of the deficiency of the large-energy amplification solution on the NIR laser (for instance at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) may very well be placed on produce a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength in addition to acquiring relative bigger electrical power [21]. A short while ago, a diamond Raman laser showed its capability in accomplishing a superior energy as well as a large conversion effectiveness within the 1st Stokes from the 1-μm laser [22,23], which implies the chance to generally be utilized inside the 193-nm DUV laser technology on account of its significant Raman gain and huge frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics on the Nd:YAG fundamental laser wavelength. So as to boost the harm threshold, reduced CLBO surface roughness, by extremely-precision machining, is needed. Because the CLBO crystal has uncomplicated hydroscopic reaction and micro scratches in machining, ultra-precise machining of your CLBO crystal is usually a challenging specialized issue.
Tunable ultraviolet laser source based upon solid-condition dye laser technologies and CsLiB6O10 harmonic generation
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The development on the 193-nm laser was shown by phases of SFG. In order to scale the DUV laser electrical power proficiently, a completely new idea with the 193-nm DUV laser technology is introduced determined by the diamond Raman laser.