Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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In comparison to BBO it attributes larger sized spectral and temperature acceptance, much better angle tolerance, and also a lesser walk-off angle. from 3289 $ delivery
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The standard electric power on the NIR laser nevertheless has the possible to be enhanced to tens of watts including 70 W [26] Should the double-move configuration may be utilized with the Yb:YAG SCF amplifier stage. Therefore, Should the conversion effectiveness of 31% from NIR to DUV might be continue to taken care of at this higher electric power situation, the normal output power in the DUV laser at 258 nm may very well be greater than 20 W, which would become a amazing power level for the DUV laser and result in the unanticipated DUV laser machining success. Furthermore, for high-electricity DUV laser, the UV problems of your nonlinear crystal, such as the Home windows for CLBO crystal as well as mirrors, is yet another important parameter for long term and stable Procedure.
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Due to the thermal lens effect in the stable-condition lasers, if the heating administration is insufficient, It is far from quick to obtain the sound-state laser which has a superior electric power along with a higher beam high-quality at the same time. Not too long ago, with the event of The skinny disk laser and single-crystal click here fiber (SCF) laser, a substantial-electric power laser at the fundamental wavelength (one μm) were understood with a very good beam high quality Despite a TEM00 method beam [4,24], which would be fantastic candidates for the elemental of the DUV laser generation. Yet another applicant for the elemental will be the large-electricity fiber laser which may very well be reached by coherent beam mixture with M2 benefit less than one.
On one other facet, the facility scaling with the NIR laser is yet another part to improve the normal electric power on the 193-nm DUV laser. A result of the lack of the substantial-energy amplification Alternative on the NIR laser (for instance at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) could be applied to produce a wavelength converter by shifting the wavelength from 1 μm to the desired wavelength as well as acquiring relative higher electrical power [21]. A short while ago, a diamond Raman laser showed its ability in obtaining a substantial ability plus a superior conversion efficiency with the 1st Stokes from the 1-μm laser [22,23], which implies the likelihood to generally be used within the 193-nm DUV laser generation on account of its superior Raman attain and enormous frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics of your Nd:YAG essential laser wavelength. In order to boost the injury threshold, minimal CLBO surface area roughness, by ultra-precision machining, is needed. As the CLBO crystal has quick hydroscopic response and micro scratches in machining, ultra-precise machining of your CLBO crystal is usually a tricky specialized challenge.
The beam profile shown in Figure 7b shown an excellent beam good quality as one of the merits of Raman laser, which might be advantageous to make a 193-nm DUV laser with a top quality beam.
Its UV absorption edge reaches a hundred and eighty nm. The productive nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as huge as that of KDP. CLBO crystals might be grown from the stoichiometric soften with reduced viscosity.
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