A Simple Key For CLBO Crystal Unveiled
A Simple Key For CLBO Crystal Unveiled
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For example, the current concave OC could get replaced by a aircraft mirror which could mitigate the power density over the floor of M1 as well as the diamond. Moreover, applying substantial problems threshold coatings for M1 and diamond would also improve the output ability with no damages. Then, the NIR laser at the 2nd Stokes wavelength may very well be higher plenty of, in addition to its fantastic beam high quality, to make the ultimate DUV laser at 193 nm having a superior typical electric power.
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A result of the thermal lens impact in the good-condition lasers, When the heating administration is insufficient, It is far from effortless to obtain the stable-state laser that has a higher electric power along with a significant beam high quality concurrently. A short while ago, with the development of the thin disk laser and solitary-crystal fiber (SCF) laser, a large-energy laser at the elemental wavelength (one μm) were realized with a superb beam high quality In spite of a TEM00 manner beam [4,24], which would be great candidates for the basic from the DUV laser era. Yet another prospect for the fundamental could be the superior-electricity fiber laser which may be accomplished by coherent beam blend with M2 benefit less than 1.
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During the scientific and industrial purposes, the beam excellent on the DUV laser can be a vital parameter. Specifically, the beam top quality of the DUV laser dramatically influences the laser machining success. The beam excellent in the DUV laser is decided by that of the fundamental laser and the crystal for the frequency conversion. Recently, a significant-energy DUV laser (>ten W) at 258 nm was claimed 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 produce a much better laser machining consequence in comparison with the past DUV lasers with much larger M2.
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Tunable ultraviolet laser resource based on strong-state dye laser engineering and CsLiB6O10 harmonic generation
The conversion efficiency from essential NIR to DUV is from 5% to 36% based on the noted ends in Table 1. Escalating the conversion performance will reduce the load on the look and setup of the basic laser amplifier as well as the electrical electric power consumption. An excellent beam high-quality of the fundamental laser will even lead to your growing with the conversion performance in addition to the suitable electric power depth of your NIR and environmentally friendly laser in the SHG and FHG procedure, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [12], which corresponds towards the conversion efficiency of 35% from essential to DUV.
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