The Ultimate Guide To CLBO Crystal
The Ultimate Guide To CLBO Crystal
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Even so, so that you can method the crystal is extremely advanced production tactics are needed. Considering that the dawn of this crystal, engaged on this challenge, we are actually the only real business in the world which might be processed With this crystal.
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Based on the proof-of-basic principle experiment, the conversion efficiency of 23% implied the potential for acquiring higher-electricity at the next Stokes wavelength of your Raman laser. If the pump laser of 1078 nm could possibly be obtained at the typical electrical power of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm could possibly be more than ten W. The look from the Raman laser cavity needs to be optimized so as to steer clear of the problems with the M1 and diamond floor.
As an example, The present concave OC could be replaced by a airplane mirror which could mitigate the facility density to the floor of M1 plus the diamond. Additionally, working with significant hurt threshold coatings for M1 and diamond would also improve the output power with none damages. Then, the NIR laser with the 2nd Stokes wavelength might be significant adequate, and its good beam excellent, to generate the final DUV laser at 193 nm with a substantial ordinary energy.
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On another side, the facility scaling on the NIR laser is another part to raise the common electrical power from the 193-nm DUV laser. As a result of not enough the large-energy amplification solution of your NIR laser (for instance at 1553 nm), nonlinear frequency procedures for instance optical parameter oscillation (OPO) could be applied to establish a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength and obtaining relative larger power [21]. Just lately, a diamond Raman laser confirmed its ability in achieving a substantial ability along with a large conversion performance on the 1st Stokes of your 1-μm laser [22,23], which implies the CLBO Crystal possibility to get utilized from the 193-nm DUV laser technology because of its substantial Raman attain and enormous frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics from the Nd:YAG fundamental laser wavelength. As a way to boost the injury threshold, lower CLBO surface area roughness, by ultra-precision machining, is necessary. As the CLBO crystal has uncomplicated hydroscopic reaction and micro scratches in machining, extremely-exact machining of your CLBO crystal is usually a tricky technological challenge.
The beam profile demonstrated in Figure 7b demonstrated a very good beam high-quality as one of several deserves of Raman laser, which might be beneficial to create a 193-nm DUV laser with a high quality beam.
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