A Secret Weapon For CLBO Crystal
A Secret Weapon For CLBO Crystal
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All-strong-state ultraviolet lasers are already widely Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of small quantity, extensive life, high efficiency, great beam top quality, vast tuning and narrow spectral line, etcetera. Making use of higher electric power in close proximity to-infrared coherent mild resource as the elemental frequency resource according to nonlinear tuning engineering, building ultraviolet coherent radiation by multistage frequency conversion is considered a very important technique to build the ultraviolet coherent light-weight resource.
Compared to BBO it options much larger spectral and temperature acceptance, much better angle tolerance, in addition to a smaller sized stroll-off angle. from 3289 $ supply
In accordance with the proof-of-principle experiment, the conversion effectiveness of 23% implied the potential for achieving higher-energy at the next Stokes wavelength of the Raman laser. In the event the pump laser of 1078 nm can be obtained at the typical electricity of fifty W, the output electric power of its 2nd Stokes wavelength at 1512 nm could be much more than ten W. The design of the Raman laser cavity ought to be optimized to be able to avoid the destruction with the M1 and diamond surface area.
The standard electricity in the NIR laser nonetheless has the possible to generally be improved to tens of watts like 70 W [26] Should the double-move configuration might be utilized for that Yb:YAG SCF amplifier stage. That's why, In the event the conversion performance of 31% from NIR to DUV may very well be nevertheless maintained at this better electrical power condition, the typical output electric power from the DUV laser at 258 nm can be a lot more than twenty W, which might be a exceptional electric power stage with the DUV laser and lead to the unanticipated DUV laser machining outcomes. What's more, for high-electricity DUV laser, the UV harm on the nonlinear crystal, such as the Home windows for CLBO crystal as well as mirrors, is yet another important parameter for long-term and secure operation.
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Furthermore, combining the stable-state laser with other nonlinear approach such as stimulated Raman scattering, NIR lasers can be reached at new wavelengths with superior electrical power and significant beam quality, which was tested through the evidence-of-principle experiment. This Raman laser plan offers a fresh route to the large-electricity DUV laser, Primarily with the wavelength of 193 nm.
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Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as large as that of KDP. CLBO crystals is usually developed from your stoichiometric soften with decrease viscosity.
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