A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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All-strong-point out ultraviolet lasers are commonly Employed in the fields of mechanical flaw detection, lithography, micromachining and drugs for some great benefits of compact volume, extensive lifetime, superior effectiveness, great beam quality, broad tuning and slender spectral line, and so on. Utilizing superior electric power in the vicinity of-infrared coherent gentle source as the basic frequency source based upon nonlinear tuning technological know-how, making ultraviolet coherent radiation by multistage frequency conversion is considered an important solution to acquire the ultraviolet coherent gentle supply.
When compared to BBO it features greater spectral and temperature acceptance, better angle tolerance, and a smaller sized wander-off angle. from 3289 $ supply
We summarized The present development status of your higher-electric power DUV laser each in the wavelength of FHG from the 1-μm laser and at 193 nm. The new development with the good-point out/fiber laser, together with the nonlinear optical crystals, prompts not only the average electric power but in addition the beam excellent (coherence) of your DUV lasers to an unprecedented degree.
For instance, the current concave OC could be replaced by a plane mirror which could mitigate the facility density to the surface area of M1 as well as the diamond. What's more, utilizing higher destruction threshold coatings for M1 and diamond would also Enhance the output electricity with none damages. Then, the NIR laser on the 2nd Stokes wavelength could possibly be significant ample, together with its fantastic beam high-quality, to deliver the final DUV laser at 193 nm by using a substantial normal power.
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During the scientific and industrial purposes, the beam high-quality of your DUV laser is usually an important parameter. Particularly, the beam high-quality with the DUV laser considerably impacts the laser machining outcomes. The beam high-quality from the DUV laser is decided by that of the basic laser and the crystal to the frequency conversion. Just lately, a substantial-energy DUV laser (>ten W) at 258 nm was noted which has a beam top quality of M2 < one.five, which was generated by FHG of a Yb:YAG laser at 1030 nm here utilizing the CLBO crystal [13]. This laser would bring about a better laser machining outcome compared to the past DUV lasers with bigger M2.
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The beam profile demonstrated in Determine 7b demonstrated an excellent beam excellent as one of the merits of Raman laser, which would be useful to deliver a 193-nm DUV laser with a top quality beam.
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The event of the 193-nm laser was demonstrated by phases of SFG. So that you can scale the DUV laser electricity effectively, a whole new thought from the 193-nm DUV laser generation is offered based upon the diamond Raman laser.