The best Side of CLBO Crystal
The best Side of CLBO Crystal
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All-stable-condition ultraviolet lasers are already broadly used in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of smaller volume, prolonged existence, high performance, excellent beam high-quality, extensive tuning and narrow spectral line, and many others. Using significant electric power around-infrared coherent gentle resource as the elemental frequency source according to nonlinear tuning technological know-how, creating ultraviolet coherent radiation by multistage frequency conversion is viewed as a very important way to produce the ultraviolet coherent mild source.
When compared to BBO it features bigger spectral and temperature acceptance, far better angle tolerance, and a smaller wander-off angle. from 3289 $ delivery
We summarized The present improvement position from the superior-electric power DUV laser equally on the wavelength of FHG from the 1-μm laser and at 193 nm. The recent development of the stable-state/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 stage.
The common electrical power from the NIR laser still has the opportunity to get improved to tens of watts which include 70 W [26] In case the double-pass configuration could be used for your Yb:YAG SCF amplifier phase. Consequently, if the conversion efficiency of 31% from NIR to DUV may very well be nevertheless maintained at this better electrical power ailment, the standard output ability in the DUV laser at 258 nm can be a lot more than twenty W, which might certainly be a outstanding electricity stage for that DUV laser and cause the unanticipated DUV laser machining results. What's more, for top-power DUV laser, the UV damage of the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is an additional critical parameter for lasting and steady Procedure.
On the flip side, the beam quality of this larger electric power DUV laser would come to be even worse as a result of far more critical thermal and nonlinear outcomes. For this reason, the frequency conversion processes must be thoroughly created to mitigate the aforementioned results. Hence, a superior-electrical power DUV laser in the FHG of 1 μm with a superb beam excellent may very well be received and will be valuable for obtaining the shorter wavelength DUV lasers which include 193 nm by SFG.
LBO can also be a wonderful nonlinear crystal which is usually placed on the SHG in the NIR into the eco-friendly. The DUV laser is generally understood by two levels of SFG in the LBO crystals given that there is not any section-matching angle for LBO to transform the inexperienced laser at 515 nm or 532 nm to your DUV instantly by SHG [sixteen]. Recently, the NSBBF crystal has also shown its possible to acquire a high conversion performance from 532 nm to 266 nm. The stroll-off angle and deff of the NSBBF are Nearly similar to These of CLBO [17].
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The heart beat duration of the next Stokes light was shortened to 5 ns as revealed in Figure 7a, an individual-shot photograph within the oscilloscope, and that is a common phenomenon in Raman laser [forty four] though the heart beat duration on the pump laser was ten ns.
In addition, combining the good-state laser with other nonlinear approach for instance stimulated Raman scattering, NIR lasers might be reached at new wavelengths with superior energy and substantial beam excellent, which was analyzed via the evidence-of-principle experiment. This Raman laser website scheme offers a brand new route to the high-power DUV laser, especially at 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 significant as that of KDP. CLBO crystals might be developed with the stoichiometric melt with reduced viscosity.
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