However, to be able to procedure the crystal is extremely advanced production techniques are expected. Because the dawn of the crystal, engaged on this challenge, we are actually the only real corporation on this planet that can be processed During this crystal.
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The normal electricity from the NIR laser still has the opportunity to become enhanced to tens of watts like 70 W [26] if the double-move configuration might be used for that Yb:YAG SCF amplifier phase. For this reason, In the event the conversion efficiency of 31% from NIR to DUV may be nevertheless managed at this bigger electrical power condition, the common output ability on the DUV laser at 258 nm can be over 20 W, which would certainly be a extraordinary energy amount with the DUV laser and lead to the unanticipated DUV laser machining outcomes. In addition, for high-power DUV laser, the UV harm in the nonlinear crystal, including the windows for CLBO crystal and the mirrors, is another significant parameter for long-lasting and secure Procedure.
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Each the 1040 nm and 1078 nm laser come from just one twin-wavelength Yb-doped fiber laser. Each laser is amplified by levels of fiber amplifier and Yb-doped products amplifier, respectively.
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During the scientific and industrial apps, the beam top quality of the DUV laser can also be an essential parameter. Especially, the beam high quality from the DUV laser significantly has an effect on the laser machining success. The beam excellent on the DUV laser is determined by that of the elemental laser along with the crystal with the frequency conversion. A short while ago, a substantial-energy DUV laser (>10 W) at 258 nm was described using a beam high-quality of M2 < 1.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would cause a far better laser machining outcome as compared to the previous DUV lasers with greater M2.
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The beam check here profile revealed in Figure 7b demonstrated a superb beam excellent as on the list of deserves of Raman laser, which would be helpful to create a 193-nm DUV laser with a high quality beam.
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