How Much You Need To Expect You'll Pay For A Good CLBO Crystal
How Much You Need To Expect You'll Pay For A Good CLBO Crystal
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All-solid-state ultraviolet lasers happen to be extensively Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for the benefits of tiny volume, prolonged existence, significant performance, very good beam quality, huge tuning and slender spectral line, and so on. Employing high power in close proximity to-infrared coherent mild source as the basic frequency supply based on nonlinear tuning technological know-how, making ultraviolet coherent radiation by multistage frequency conversion is regarded as an essential solution to produce the ultraviolet coherent light-weight resource.
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We summarized The existing development position in the high-electric power DUV laser the two at the wavelength of FHG on the 1-μm laser and at 193 nm. The modern development with the good-point out/fiber laser, in addition to the nonlinear optical crystals, prompts not simply the common power and also the beam top quality (coherence) on the DUV lasers to an unparalleled amount.
The normal electric power with the NIR laser continue to has the likely for being enhanced to tens of watts including 70 W [26] if the double-move configuration may very well be utilized for that Yb:YAG SCF amplifier stage. As a result, In the event the conversion efficiency of 31% from NIR to DUV might be nevertheless preserved at this bigger electricity situation, the typical output ability on the DUV laser at 258 nm could be a lot more than twenty W, which would certainly be a extraordinary ability level for the DUV laser and bring about the unanticipated DUV laser machining outcomes. In addition, for high-electrical power DUV laser, the UV injury on the nonlinear crystal, such as the windows for CLBO crystal plus the mirrors, is an additional vital parameter for long-term and stable operation.
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Tunable ultraviolet laser resource based upon good-point out dye laser technological know-how and CsLiB6O10 harmonic technology
The conversion performance from elementary NIR to DUV is from 5% to 36% in accordance with the noted results in Table one. Rising the conversion efficiency will decrease the stress on the design and set up of the fundamental laser amplifier together with the electric electric power consumption. A fantastic beam high quality of the basic laser will likely contribute for the increasing in the conversion efficiency together with the right power intensity of the NIR and eco-friendly laser inside the SHG and click here FHG approach, respectively. The very best conversion efficiencies from NIR to inexperienced and eco-friendly to DUV laser by use of CLBO crystal are 70% and about 50%, respectively [twelve], which corresponds to your conversion effectiveness of 35% from basic to DUV.
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