The Greatest Guide To CLBO Crystal
The Greatest Guide To CLBO Crystal
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Based on the evidence-of-principle experiment, the conversion performance of 23% implied the possibility of attaining superior-energy at the second Stokes wavelength in the Raman laser. If the pump laser of 1078 nm might be obtained at the average energy of 50 W, the output ability of its 2nd Stokes wavelength at 1512 nm can be greater than 10 W. The design from the Raman laser cavity ought to be optimized as a way to avoid the damage of the M1 and diamond surface.
For instance, The present concave OC could get replaced by a plane mirror which could mitigate the ability density on the surface area of M1 as well as the diamond. What's more, applying higher hurt threshold coatings for M1 and diamond would also Increase the output energy with no damages. Then, the NIR laser for the 2nd Stokes wavelength could be large ample, together with its superior beam quality, to generate the ultimate DUV laser at 193 nm by using a substantial ordinary power.
Alternatively, the beam quality of this better energy DUV laser would develop into even worse as a result of additional serious thermal and nonlinear effects. Therefore, the frequency conversion procedures ought to be meticulously built to mitigate the click here aforementioned consequences. Thus, a significant-ability DUV laser within the FHG of one μm with a very good beam high-quality could be obtained and may be helpful for obtaining the shorter wavelength DUV lasers like 193 nm by SFG.
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On the opposite aspect, the power scaling of your NIR laser is yet another factor to boost the average ability on the 193-nm DUV laser. As a result of lack of the significant-electrical power amplification solution in the NIR laser (for instance at 1553 nm), nonlinear frequency procedures 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 obtaining relative larger electric power [21]. Lately, a diamond Raman laser showed its potential in reaching a significant ability plus a significant conversion performance within the 1st Stokes of the one-μm laser [22,23], which means the chance being utilized while in the 193-nm DUV laser era on account of its substantial Raman gain and large frequency change.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of your Nd:YAG elementary laser wavelength. As a way to increase the hurt threshold, reduced CLBO area roughness, by ultra-precision machining, is necessary. Because the CLBO crystal has quick hydroscopic reaction and micro scratches in machining, extremely-precise machining on the CLBO crystal is really a complicated specialized challenge.
Tunable ultraviolet laser resource determined by stable-condition dye laser technologies and CsLiB6O10 harmonic generation
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