Rumored Buzz on CLBO Crystal
Rumored Buzz on CLBO Crystal
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We summarized The existing growth status of your higher-electricity DUV laser both equally within the wavelength of FHG from the 1-μm laser and at 193 nm. The current enhancement in the good-condition/fiber laser, plus the nonlinear optical crystals, prompts don't just the typical electric power but additionally the beam quality (coherence) with the DUV lasers to an unparalleled degree.
The normal electricity of your NIR laser still has the potential for being improved to tens of watts for example 70 W [26] When the double-go configuration might be utilized with the Yb:YAG SCF amplifier phase. Therefore, If your conversion efficiency of 31% from NIR to DUV could possibly be however managed at this increased ability problem, the normal output energy of the DUV laser at 258 nm could be a lot more than twenty W, which might be considered a extraordinary electricity amount for that DUV laser and produce the unanticipated DUV laser machining success. Also, for prime-ability DUV laser, the UV destruction with the nonlinear crystal, including the Home windows for CLBO crystal as well as mirrors, is an additional crucial parameter for long-term and secure Procedure.
However, the beam top quality of the better electric power DUV laser would turn out to be even worse because of additional serious thermal and nonlinear consequences. For this reason, the frequency conversion procedures needs to be meticulously meant to mitigate the aforementioned outcomes. Thus, a superior-electric power DUV laser on the FHG of one μm with an excellent beam high-quality could possibly be obtained and can be advantageous for acquiring the shorter wavelength DUV lasers which include 193 nm by SFG.
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Additionally, combining the sound-state laser with other nonlinear course of action including stimulated Raman scattering, NIR lasers could possibly be obtained at new wavelengths with higher energy and significant beam top quality, which was tested via the proof-of-theory experiment. This Raman laser scheme offers a brand new path to the higher-energy DUV laser, Particularly in the wavelength of 193 nm.
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Its UV absorption edge reaches one hundred eighty nm. The successful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as substantial as that of KDP. CLBO crystals may be click here grown through the stoichiometric melt with reduce viscosity.
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