CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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All-strong-state ultraviolet lasers happen to be extensively Employed in the fields of mechanical flaw detection, lithography, micromachining and medicine for some great benefits of compact quantity, extended daily life, large performance, fantastic beam good quality, vast tuning and slim spectral line, etcetera. Using significant power in close proximity to-infrared coherent mild supply as the fundamental frequency resource depending on nonlinear tuning technological know-how, generating ultraviolet coherent radiation by multistage frequency conversion is considered an essential solution to create the ultraviolet coherent mild supply.
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For instance, The existing concave OC could be replaced by a airplane mirror which could mitigate the ability density within the surface of M1 as well as diamond. Additionally, employing significant injury threshold coatings for M1 and diamond would also Increase the output electric power without any damages. Then, the NIR laser for the 2nd Stokes wavelength might be superior adequate, as well as its very good beam excellent, to create the ultimate DUV laser at 193 nm which has a large regular power.
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Each the 1040 nm and 1078 nm laser originate from one particular dual-wavelength Yb-doped fiber laser. Every laser is amplified by levels of fiber amplifier and Yb-doped elements amplifier, respectively.
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During the scientific and industrial purposes, the beam excellent with the DUV laser can be an important parameter. Especially, the beam quality of your DUV laser considerably impacts the laser machining results. The beam high-quality in the DUV laser is decided by that of the basic laser and the crystal for that frequency conversion. Not too long ago, a significant-energy DUV laser (>ten W) at 258 nm was claimed by using a beam high-quality of M2 < 1.5, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would bring about an even better laser more info machining result when compared with the past DUV lasers with larger M2.
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The development of your 193-nm laser was demonstrated by phases of SFG. To be able to scale the DUV laser electric power successfully, a different concept on the 193-nm DUV laser technology is presented determined by the diamond Raman laser.