The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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We summarized the current growth standing on the substantial-electrical power DUV laser each on the wavelength of FHG from the one-μm laser and at 193 nm. The recent progress from the stable-state/fiber laser, as well as the nonlinear optical crystals, prompts not simply the average electricity but will also the beam top quality (coherence) with the DUV lasers to an unparalleled stage.
The standard energy from the NIR laser still has the opportunity to get improved to tens of watts which include 70 W [26] Should the double-move configuration may very well be utilized with the Yb:YAG SCF amplifier stage. As a result, Should the conversion effectiveness of 31% from NIR to DUV can be nevertheless managed at this larger ability problem, the normal output energy on the DUV laser at 258 nm can be greater than twenty W, which might be a exceptional electricity stage with the DUV laser and lead to the unanticipated DUV laser machining final results. In addition, for high-electrical power DUV laser, the UV injury with the nonlinear crystal, such as the Home windows for CLBO crystal plus the mirrors, is an additional crucial parameter for long lasting and stable Procedure.
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Due to the thermal lens result in the reliable-state lasers, In the event the heating administration is insufficient, It's not necessarily simple to get the stable-point out laser having a substantial ability along with a large beam good quality concurrently. A short while ago, with the event of the thin disk laser and one-crystal fiber (SCF) laser, a higher-electrical power laser at the fundamental wavelength (1 μm) were understood with a very good beam high-quality Despite having a TEM00 method beam [4,24], which might be superior candidates for the fundamental from the DUV laser generation. An additional prospect for the basic would be the higher-power fiber laser which can be reached by coherent beam combination with M2 benefit under one.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics from the Nd:YAG basic laser wavelength. To be able to enhance the problems threshold, minimal CLBO surface roughness, by ultra-precision machining, is needed. Since the CLBO crystal has easy hydroscopic reaction and micro scratches in machining, extremely-precise machining with the CLBO crystal is actually a complicated specialized trouble.
Tunable ultraviolet laser resource according to strong-point out dye laser technology and CsLiB6O10 harmonic technology
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