Nevertheless, in order to system the crystal may be very Highly developed production methods are demanded. For the reason that dawn of this crystal, engaged on this challenge, we at the moment are the sole firm on earth that can be processed During this crystal.
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The standard electrical power in the NIR laser continue to has the prospective to generally be improved to tens of watts such as 70 W [26] If your double-go configuration might be utilized for the Yb:YAG SCF amplifier stage. Hence, if the conversion performance of 31% from NIR to DUV may be still preserved at this higher electrical power condition, the standard output electricity of the DUV laser at 258 nm may be much more than twenty W, which might be a exceptional electric power degree for that DUV laser and cause the unanticipated DUV laser machining outcomes. What's more, for high-electrical power DUV laser, the UV hurt in the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is another important parameter for lasting and steady operation.
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While in the scientific and industrial programs, the beam good quality on the DUV laser is likewise an important parameter. Specially, the beam good quality on the DUV laser drastically affects the laser machining success. The beam good quality from the DUV laser is decided by that of the basic laser and the crystal for that frequency conversion. Lately, a high-electricity DUV laser (>10 W) at 258 nm was documented with a beam quality of M2 < 1.five, which was created by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would bring on a much better laser machining final result when compared with the previous DUV lasers with more substantial M2.
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Tunable ultraviolet laser source depending on reliable-condition dye laser technological innovation and CsLiB6O10 harmonic era
The conversion performance from basic NIR to DUV is from five% to 36% in accordance with the noted brings about Table 1. Expanding the conversion effectiveness will decrease the stress on the design and setup of the basic laser amplifier along with the electrical electric power consumption. An excellent beam top quality of the elemental laser will likely contribute towards the rising with the conversion performance and the right power depth of your NIR and environmentally friendly laser in the SHG and FHG process, respectively. The best conversion efficiencies from NIR to environmentally friendly and inexperienced to DUV laser by utilization of CLBO crystal are 70% and close to fifty%, respectively [twelve], which corresponds on the conversion efficiency of 35% from fundamental to DUV.
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