A Simple Key For CLBO Crystal Unveiled
A Simple Key For CLBO Crystal Unveiled
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Having said that, so that you can course of action the crystal is incredibly Highly developed producing techniques are needed. Considering that the dawn of this crystal, working on this challenge, we are actually the one firm in the world that could be processed Within this crystal.
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According to the proof-of-theory experiment, the conversion efficiency of 23% implied the potential of achieving high-power at the second Stokes wavelength of the Raman laser. If your pump laser of 1078 nm could be obtained at the common electrical power of fifty W, the output electricity of its 2nd Stokes wavelength at 1512 nm may very well be in excess of ten W. The design on the Raman laser cavity really should be optimized in an effort to steer clear of the injury of the M1 and diamond surface area.
The typical energy from the NIR laser even now has the probable being enhanced to tens of watts including 70 W [26] If your double-go configuration may very well be utilized with the Yb:YAG SCF amplifier phase. As a result, If your conversion efficiency of 31% from NIR to DUV may be nonetheless taken care of at this increased electric power situation, the common output electric power of the DUV laser at 258 nm might be in excess of twenty W, which might certainly be a remarkable energy level with the DUV laser and lead to the unanticipated DUV laser machining results. Moreover, for top-electric power DUV laser, the UV damage CLBO Crystal in the nonlinear crystal, including the Home windows for CLBO crystal and the mirrors, is yet another critical parameter for long lasting and secure Procedure.
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Each the 1040 nm and 1078 nm laser come from a single dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by stages of fiber amplifier and Yb-doped supplies amplifier, respectively.
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In the scientific and industrial purposes, the beam excellent in the DUV laser is usually a crucial parameter. Particularly, the beam excellent in the DUV laser significantly impacts the laser machining final results. The beam high-quality of your DUV laser is determined by that of the basic laser plus the crystal for your frequency conversion. Recently, a superior-electricity DUV laser (>10 W) at 258 nm was claimed by using a beam top quality of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would produce a much better laser machining final result when compared to the former DUV lasers with more substantial M2.
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The beam profile proven in Determine 7b shown a great beam high-quality as on the list of merits of Raman laser, which might be advantageous to crank out a 193-nm DUV laser with a top quality beam.
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