CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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We summarized The present development status in the high-electric power DUV laser the two within the wavelength of FHG of your 1-μm laser and at 193 nm. The new improvement on the solid-state/fiber laser, plus the nonlinear optical crystals, prompts not only the common electricity and also the beam excellent (coherence) in the DUV lasers to an unprecedented level.
The typical energy on the NIR laser even now has the potential to be improved to tens of watts for example 70 W [26] In the event the double-move configuration could be utilized for the Yb:YAG SCF amplifier stage. Consequently, Should the conversion efficiency of 31% from NIR to DUV may be continue to taken care of at this larger ability situation, the common output ability from the DUV laser at 258 nm may very well be greater than 20 W, which would certainly be a remarkable ability stage for that DUV laser and cause the unanticipated DUV laser machining final results. Furthermore, for high-electric power DUV laser, the UV problems from the nonlinear crystal, including the Home windows for CLBO crystal plus the mirrors, is an additional essential parameter for long run and stable Procedure.
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LBO can be an excellent nonlinear crystal which is usually placed on the SHG within the NIR for the environmentally friendly. The DUV laser is normally recognized by two phases of SFG from the LBO crystals due to the fact there's no period-matching angle for LBO to transform the environmentally friendly laser at 515 nm or 532 nm towards the DUV right click here by SHG [sixteen]. A short while ago, the NSBBF crystal has also demonstrated its opportunity to acquire a high conversion performance from 532 nm to 266 nm. The stroll-off angle and deff on the NSBBF are Virtually much like those of CLBO [seventeen].
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Furthermore, combining the sound-state laser with other nonlinear procedure which include stimulated Raman scattering, NIR lasers may very well be attained at new wavelengths with superior electric power and higher beam top quality, which was examined from the evidence-of-basic principle experiment. This Raman laser scheme presents a new route to the significant-power DUV laser, Specifically for the wavelength of 193 nm.
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Its UV absorption edge reaches one hundred eighty nm. The productive nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as substantial as that of KDP. CLBO crystals could be developed from your stoichiometric melt with lessen viscosity.
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