Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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All-stable-condition ultraviolet lasers have been widely Utilized in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of little quantity, very long life, large effectiveness, very good beam excellent, large tuning and slender spectral line, etc. Employing superior electric power in close proximity to-infrared coherent light supply as the fundamental frequency supply depending on nonlinear tuning engineering, producing ultraviolet coherent radiation by multistage frequency conversion is regarded as a vital method to produce the ultraviolet coherent gentle source.
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We summarized The present progress status in the superior-energy DUV laser both in the wavelength of FHG in the one-μm laser and at 193 nm. The current enhancement on the good-condition/fiber laser, and also the nonlinear optical crystals, prompts don't just the typical electric power but also the beam quality (coherence) on the DUV lasers to an unparalleled level.
As an illustration, the current concave OC could get replaced by a aircraft mirror which could mitigate the power density on the floor of M1 along with the diamond. Furthermore, using significant injury threshold coatings for M1 and diamond would also Increase the output electric power with no damages. Then, the NIR laser at the 2nd Stokes wavelength can be substantial more than enough, and its very good beam high quality, to deliver the ultimate DUV laser at 193 nm which has a substantial ordinary energy.
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LBO is additionally a wonderful nonlinear crystal which is always applied to the SHG through the NIR into the green. The DUV laser is often recognized by two stages of SFG during the LBO crystals since there isn't any stage-matching angle for LBO to transform the eco-friendly laser at 515 nm or 532 nm for the DUV specifically by SHG [16]. Not long ago, the NSBBF crystal has also revealed its likely to get a significant conversion efficiency from 532 nm to 266 nm. The stroll-off angle and deff from the NSBBF are Practically comparable to Those people of CLBO [17].
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What's more, combining the reliable-state laser with other nonlinear course of action for instance stimulated Raman scattering, NIR lasers could possibly be achieved at new wavelengths with significant energy and large beam top quality, which was examined via the evidence-of-principle experiment. This Raman laser scheme presents a new route to the higher-electricity DUV laser, Specially for the wavelength of 193 nm.
Tunable ultraviolet laser source depending on reliable-point out dye laser technologies and CsLiB6O10 harmonic generation
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