Getting My CLBO Crystal To Work
Getting My CLBO Crystal To Work
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Nonetheless, so as to course of action the crystal may be very advanced production methods are demanded. Considering that the dawn of the crystal, working on this obstacle, we are actually the only real business on the planet which can be processed On this crystal.
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Based on the proof-of-theory experiment, the conversion efficiency of 23% implied the potential of attaining higher-electricity at the second Stokes wavelength on the Raman laser. When the pump laser of 1078 nm could be attained at the standard ability of 50 W, the output ability of its 2nd Stokes wavelength at 1512 nm could be in excess of ten W. The design of the Raman laser cavity really should be optimized in order to stay away from the injury of your M1 and diamond surface area.
As an example, the current concave OC could get replaced by a plane mirror which could mitigate the ability density within the surface of M1 and also the diamond. Also, working with significant destruction threshold coatings for M1 and diamond would also Enhance the output power with no damages. Then, the NIR laser at the 2nd Stokes wavelength could possibly be higher plenty of, together with its fantastic beam high-quality, to generate the ultimate DUV laser at 193 nm by using a significant common electricity.
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Each the 1040 nm and 1078 nm laser come from 1 dual-wavelength Yb-doped fiber laser. Every laser is amplified by stages of fiber amplifier and Yb-doped supplies amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics from the Nd:YAG basic laser wavelength. So that you can improve the hurt threshold, very low CLBO area roughness, by extremely-precision machining, is needed. Because the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, ultra-exact machining with the CLBO crystal is usually a tricky specialized challenge.
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The conversion effectiveness from fundamental NIR to DUV is from five% to 36% in accordance with the described results in Desk one. Growing the conversion effectiveness will decrease the burden on the design and setup of the fundamental laser amplifier along with the electric power use. A click here superb beam quality of the basic laser can even add on the increasing with the conversion effectiveness and the suitable electrical power intensity on the NIR and green laser while in the SHG and FHG method, respectively. The best conversion efficiencies from NIR to green and inexperienced to DUV laser by utilization of CLBO crystal are 70% and all around fifty%, respectively [12], which corresponds into the conversion efficiency of 35% from fundamental to DUV.
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