CLBO Crystal - An Overview
CLBO Crystal - An Overview
Blog Article
All-reliable-condition ultraviolet lasers have been extensively used in the fields of mechanical flaw detection, lithography, micromachining and medicine for some great benefits of tiny volume, long existence, large efficiency, fantastic beam quality, large tuning and narrow spectral line, etc. Employing substantial electricity close to-infrared coherent light-weight source as the elemental frequency supply according to nonlinear tuning technologies, generating ultraviolet coherent radiation by multistage frequency conversion is considered an essential strategy to develop the ultraviolet coherent gentle resource.
When compared to BBO it capabilities bigger spectral and temperature acceptance, superior angle tolerance, and also a scaled-down stroll-off angle. from 3289 $ supply
We summarized the current development position on the higher-ability DUV laser equally in the wavelength of FHG of your 1-μm laser and at 193 nm. The new improvement with the sound-point out/fiber laser, together with the nonlinear optical crystals, prompts not just the normal power but in addition the beam high-quality (coherence) from the DUV lasers to an unprecedented level.
The important thing difficulty of ultraviolet coherent light-weight resource predominantly focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is amongst the problems for frequency transformation, so the growth, dimension, destruction resistance, conversion performance and allowable parameter number of nonlinear optical crystal are expected more and more.
On the flip side, the beam top quality of the higher electrical power DUV laser would become worse resulting from much more critical thermal and nonlinear consequences. Therefore, the frequency conversion processes must be diligently created to mitigate the aforementioned results. Therefore, a large-electrical power DUV laser with the FHG of one μm with a superb beam excellent may very well be received and can be useful for acquiring the shorter wavelength DUV lasers including 193 nm by SFG.
LBO is additionally a wonderful nonlinear crystal which is always applied to the SHG with the NIR to the eco-friendly. The DUV laser is frequently understood by two levels of SFG within the LBO crystals due to the fact there isn't any stage-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm for the DUV right by SHG [16]. Just lately, the NSBBF crystal has also demonstrated its likely to get a large conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff of the NSBBF are website almost much like People of CLBO [17].
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Additionally, combining the strong-state laser with other nonlinear course of action which include stimulated Raman scattering, NIR lasers might be reached at new wavelengths with large power and superior beam good quality, which was analyzed via the evidence-of-basic principle experiment. This Raman laser plan provides a brand new path to the significant-ability DUV laser, especially in the wavelength of 193 nm.
Tunable ultraviolet laser source dependant on good-state dye laser technology and CsLiB6O10 harmonic technology
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