The best Side of CLBO Crystal
The best Side of CLBO Crystal
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The standard electricity in the NIR laser even now has the prospective to become improved to tens of watts such as 70 W [26] When the double-go configuration may be used with the Yb:YAG SCF amplifier phase. Hence, If your conversion effectiveness of 31% from NIR to DUV may very well be even now taken care of at this better ability condition, the average output power in the DUV laser at 258 nm could possibly be greater than 20 W, which might certainly be a outstanding electricity stage for that DUV laser and lead to the unanticipated DUV laser machining outcomes. In addition, for prime-power DUV laser, the UV hurt from the nonlinear crystal, including the windows for CLBO crystal along with the mirrors, is an additional significant parameter for long-lasting and secure Procedure.
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Both the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by levels of fiber amplifier and Yb-doped elements amplifier, respectively.
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While in the scientific and industrial programs, the beam top quality in the DUV laser is additionally a crucial parameter. Particularly, the beam high-quality in the DUV laser significantly influences the laser machining outcomes. The beam excellent from the DUV laser is decided by that of the fundamental laser and also the crystal for your frequency conversion. A short while ago, a large-ability DUV laser (>10 W) at 258 nm was documented that has a beam quality of M2 < 1.5, which was produced by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring about a much better laser machining end result compared to the prior DUV lasers with more substantial M2.
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Tunable ultraviolet laser supply based upon good-point out dye laser know-how and CsLiB6O10 harmonic era
The conversion performance from fundamental NIR to DUV is from 5% to 36% based on the claimed leads to Desk one. Raising the conversion effectiveness will reduce the load on the look and set up of the fundamental laser amplifier together with the electric powered electrical power intake. A good beam top quality of the basic laser will likely add on the raising of the conversion efficiency in addition to the appropriate electrical power intensity in the NIR and eco-friendly laser while in the SHG and FHG procedure, respectively. The highest conversion efficiencies from NIR to green and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and close to 50%, respectively [12], which corresponds into the conversion effectiveness of 35% from basic to DUV.
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