CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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Nevertheless, in order to method the crystal is extremely Sophisticated producing methods are essential. Because the dawn of the crystal, working on this obstacle, we are actually the only real organization in the world which can be processed With this crystal.
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We summarized the current progress standing of your substantial-energy DUV laser both of those with the wavelength of FHG of the 1-μm laser and at 193 nm. The the latest advancement from the good-condition/fiber laser, along with the nonlinear optical crystals, prompts don't just the common power but in addition the beam high quality (coherence) with the DUV lasers to an unparalleled amount.
The common electrical power in the NIR laser continue to has the opportunity being enhanced to tens of watts including 70 W [26] When the double-go configuration may be utilized for that Yb:YAG SCF amplifier stage. For this reason, When the conversion efficiency of 31% from NIR to DUV may very well be nonetheless preserved at this bigger energy ailment, the common output power on the DUV laser at 258 nm could be in excess of twenty W, which would certainly be a outstanding electricity stage for that DUV laser and produce the unanticipated DUV laser machining results. Furthermore, for high-energy DUV laser, the UV harm from the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is yet another essential parameter for long run and steady operation.
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Each the 1040 nm and 1078 nm laser originate from a person twin-wavelength Yb-doped fiber laser. Every single laser is amplified by levels of fiber amplifier and Yb-doped elements amplifier, respectively.
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Within the scientific and industrial purposes, the beam quality of the DUV laser can also be a crucial parameter. Especially, the beam quality with the DUV laser substantially affects the laser machining effects. The beam top quality of your DUV laser is set by that of the fundamental laser and also the crystal for the frequency conversion. Not long ago, a higher-ability DUV laser (>10 W) at 258 nm was described having a beam high-quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would lead to a much better laser machining final result in comparison here with the preceding DUV lasers with larger sized M2.
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Also, combining the sound-point out laser with other nonlinear method such as stimulated Raman scattering, NIR lasers may be achieved at new wavelengths with large electric power and higher beam good quality, which was examined because of the proof-of-basic principle experiment. This Raman laser plan presents a new route to the superior-ability DUV laser, Particularly in the wavelength of 193 nm.
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