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The normal electric power with the NIR laser however has the likely to get improved to tens of watts such as 70 W [26] Should the double-pass configuration could be used for the Yb:YAG SCF amplifier stage. Hence, If your conversion efficiency of 31% from NIR to DUV may very well be nonetheless maintained at this better electric power condition, the common output electric power of the DUV laser at 258 nm could possibly be more than 20 W, which might be a amazing ability stage with the DUV laser and lead to the unanticipated DUV laser machining final results. Additionally, for prime-electricity DUV laser, the UV problems with the nonlinear crystal, such as the windows for CLBO crystal along with the mirrors, is an additional essential parameter for long run and stable Procedure.
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Each the 1040 nm and 1078 nm laser come from 1 twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by phases of fiber amplifier and Yb-doped supplies amplifier, respectively.
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Also, combining the solid-state laser with other nonlinear course of action such as stimulated Raman scattering, NIR lasers could possibly be realized at new wavelengths with superior electrical power and substantial beam excellent, which was analyzed via the evidence-of-theory experiment. This Raman laser scheme offers a brand new path to the superior-electric power DUV laser, Primarily in the wavelength of 193 nm.
Tunable ultraviolet laser source based on solid-point out dye laser technologies and CsLiB6O10 harmonic era
The conversion performance from basic NIR to DUV is from five% to 36% according to the described results in Table one. Expanding the conversion efficiency will decrease the stress on the look and setup of the basic laser amplifier as well as the electric electric power use. A great beam excellent of the elemental laser will also contribute on the raising of your conversion performance as well as the right ability depth with the NIR and get more info environmentally friendly laser during the SHG and FHG system, respectively. The best conversion efficiencies from NIR to inexperienced and eco-friendly to DUV laser by use of CLBO crystal are 70% and around fifty%, respectively [12], which corresponds towards the conversion performance of 35% from elementary to DUV.
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