A Simple Key For CLBO Crystal Unveiled
A Simple Key For CLBO Crystal Unveiled
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All-sound-condition ultraviolet lasers are actually widely used in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of tiny quantity, long daily life, large performance, superior beam top quality, extensive tuning and slender spectral line, and so forth. Utilizing large power close to-infrared coherent gentle supply as the fundamental frequency resource determined by nonlinear tuning know-how, building ultraviolet coherent radiation by multistage frequency conversion is thought to be an essential way to establish the ultraviolet coherent mild resource.
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We summarized The existing progress position on the higher-ability DUV laser both equally in the wavelength of FHG of your 1-μm laser and at 193 nm. The new advancement of your sound-state/fiber laser, in addition to the nonlinear optical crystals, prompts not only the standard ability but additionally the beam high quality (coherence) from the DUV lasers to an unprecedented amount.
The normal energy in the NIR laser nevertheless has the opportunity to get improved to tens of watts which include 70 W [26] If your double-move configuration could be used for the Yb:YAG SCF amplifier phase. Therefore, When the conversion performance of 31% from NIR to DUV could possibly be however maintained at this better energy affliction, the average output electrical power with the DUV laser at 258 nm could be over 20 W, which would become a amazing power level for your DUV laser and cause the unanticipated DUV laser machining effects. What's more, for top-electric power DUV laser, the UV problems from the nonlinear crystal, including the Home windows for CLBO crystal as well as mirrors, is yet another crucial parameter for long lasting and stable Procedure.
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What's more, combining the reliable-state laser with other nonlinear procedure for instance stimulated Raman scattering, NIR lasers might be realized at new wavelengths with high ability and higher beam high quality, which was analyzed by the evidence-of-basic principle experiment. This Raman laser scheme presents a whole new path to the high-electricity DUV laser, Primarily on the wavelength of 193 nm.
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