Rumored Buzz on CLBO Crystal
Rumored Buzz on CLBO Crystal
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Nevertheless, in order to course of action the crystal is rather advanced manufacturing approaches are needed. Considering that the dawn of this crystal, focusing on this obstacle, we are now the one business in the world that could be processed in this crystal.
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We summarized The existing progress standing of the high-energy DUV laser both of those with the wavelength of FHG of the 1-μm laser and at 193 nm. The the latest improvement of your sound-point out/fiber laser, in addition to the nonlinear optical crystals, prompts not only the common electrical power and also the beam quality (coherence) in the DUV lasers to an unparalleled stage.
The standard electricity in the NIR laser even now has the prospective to be enhanced to tens of watts including 70 W [26] When the double-go configuration may very well be utilized for that Yb:YAG SCF amplifier stage. Hence, Should the conversion efficiency of 31% from NIR to DUV may very well be nevertheless managed at this greater energy affliction, the average output electricity of your DUV laser at 258 nm might be a lot more than 20 W, which might be considered a impressive electric power amount for the DUV laser and bring about the unanticipated DUV laser machining benefits. Also, for top-electric power DUV laser, the UV problems with the nonlinear crystal, such as the Home windows for CLBO crystal as well as the mirrors, is another essential parameter for long-term and stable Procedure.
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Both of those the 1040 nm and 1078 nm laser originate from 1 twin-wavelength Yb-doped fiber laser. Each laser is amplified by stages of fiber amplifier and Yb-doped products amplifier, respectively.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics with the Nd:YAG elementary laser wavelength. In an effort to increase the hurt threshold, minimal CLBO surface roughness, by ultra-precision machining, is necessary. As the CLBO crystal has effortless hydroscopic reaction and micro scratches in machining, extremely-exact machining from the CLBO crystal is a complicated specialized problem.
Tunable ultraviolet laser resource based upon good-point out dye laser technology and CsLiB6O10 harmonic technology
The conversion efficiency from elementary NIR to DUV is from 5% to 36% in accordance with the noted brings about Table one. Escalating the conversion performance will reduce the load on the look and setup of the basic laser amplifier along with the electrical ability consumption. A great beam high quality of the elemental laser may also lead to your escalating on the conversion effectiveness in addition to the right ability intensity with the NIR and inexperienced laser while in website the SHG and FHG system, respectively. The best conversion efficiencies from NIR to green and environmentally friendly to DUV laser by use of CLBO crystal are 70% and all over 50%, respectively [12], which corresponds to your conversion performance of 35% from basic to DUV.
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