CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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All-solid-point out ultraviolet lasers have already been broadly Employed in the fields of mechanical flaw detection, lithography, micromachining and medication for the benefits of smaller quantity, very long lifetime, large efficiency, very good beam high-quality, huge tuning and slender spectral line, and so forth. Utilizing substantial energy around-infrared coherent light-weight resource as the basic frequency resource based upon nonlinear tuning technologies, generating ultraviolet coherent radiation by multistage frequency conversion is viewed as an essential approach to establish the ultraviolet coherent light source.
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We summarized the current improvement position in the high-electric power DUV laser equally in the wavelength of FHG of your 1-μm laser and at 193 nm. The the latest advancement of the solid-state/fiber laser, as well as the nonlinear optical crystals, prompts not simply the typical energy but also the beam high quality (coherence) of your DUV lasers to an unprecedented level.
The common power with the NIR laser nevertheless has the likely to become enhanced to tens of watts like 70 W [26] If your double-pass configuration may very well be used for your Yb:YAG SCF amplifier stage. As a result, When the conversion effectiveness of 31% from NIR to DUV might be nevertheless preserved at this better electric power condition, the common output ability from the DUV laser at 258 nm may be a lot more than twenty W, which would certainly be a amazing energy degree for that DUV laser and lead to the unanticipated DUV laser machining final results. Also, for top-electric power DUV laser, the UV problems with the nonlinear crystal, such as the windows for CLBO crystal plus the mirrors, is an additional critical parameter for long run and stable Procedure.
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On another side, the facility scaling from the NIR laser is another read more component to boost the typical energy on the 193-nm DUV laser. A result of the insufficient the higher-electric power amplification Resolution from the NIR laser (for example at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) may be placed on make a wavelength converter by shifting the wavelength from one μm to the specified wavelength along with getting relative higher electrical power [21]. A short while ago, a diamond Raman laser showed its potential in acquiring a higher electrical power and also a superior conversion performance within the 1st Stokes of the 1-μm laser [22,23], which suggests the possibility being applied within the 193-nm DUV laser generation on account of its higher Raman obtain and huge frequency shift.
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Tunable ultraviolet laser source according to stable-point out dye laser technological know-how and CsLiB6O10 harmonic technology
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