Detailed Notes on CLBO Crystal
Detailed Notes on CLBO Crystal
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All-sound-condition ultraviolet lasers have been greatly used in the fields of mechanical flaw detection, lithography, micromachining and medication for the advantages of little volume, extensive life, substantial efficiency, fantastic beam excellent, large tuning and slender spectral line, and many others. Using high ability in close proximity to-infrared coherent mild supply as the basic frequency resource based on nonlinear tuning technology, making ultraviolet coherent radiation by multistage frequency conversion is thought to be a significant approach to establish the ultraviolet coherent light resource.
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For illustration, The present concave OC could be replaced by a airplane mirror which could mitigate the ability density within the surface of M1 and the diamond. What's more, working with substantial harm threshold coatings for M1 and diamond would also Increase the output electricity without any damages. Then, the NIR laser at the 2nd Stokes wavelength can be large enough, together with its great beam excellent, to produce the ultimate DUV laser at 193 nm with a large common electric power.
Conversely, the beam excellent of this larger electric power DUV laser would turn into worse as a consequence of more really serious thermal and nonlinear outcomes. For this reason, the frequency conversion procedures need to be meticulously made to mitigate the aforementioned consequences. So, a superior-electrical power DUV laser on the FHG of 1 μm with a good beam quality can be acquired and will be valuable for obtaining the shorter wavelength DUV lasers which include 193 nm by SFG.
Both equally the 1040 nm and 1078 nm laser come from a single twin-wavelength Yb-doped fiber laser. Each individual laser is amplified by phases of fiber amplifier and Yb-doped supplies amplifier, respectively.
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Moreover, combining the reliable-point out laser with other nonlinear method which include stimulated Raman scattering, NIR lasers could possibly be obtained at new wavelengths with higher electric power and high beam top quality, which was examined because of the evidence-of-basic principle experiment. This Raman laser scheme offers a whole new path to the high-energy DUV laser, Specially with the wavelength of 193 nm.
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The development with the 193-nm laser was demonstrated by stages of SFG. So that you can scale the DUV laser electricity effectively, a whole new concept on the 193-nm DUV laser technology is presented determined by the diamond Raman laser.