5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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Nonetheless, as a way to approach the crystal is quite Superior manufacturing approaches are necessary. Considering that the dawn of this crystal, engaged on this obstacle, we are now the one business on the globe which can be processed During this crystal.
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The average electricity on the NIR laser however has the likely to be enhanced to tens of watts which include 70 W [26] In the event the double-pass configuration may very well be utilized for that Yb:YAG SCF amplifier phase. For this reason, If your conversion effectiveness of 31% from NIR to DUV can be still preserved at this larger energy issue, the standard output power of the DUV laser at 258 nm could be much more than twenty W, which might become a impressive electricity degree for your DUV laser and bring about the unanticipated DUV laser machining results. Furthermore, for high-electric power DUV laser, the UV injury from the nonlinear crystal, such as the windows for CLBO crystal plus the mirrors, is another vital parameter for long lasting and secure operation.
Alternatively, the beam top quality of this bigger electricity DUV laser would turn into even worse as a result of additional critical thermal and nonlinear consequences. Therefore, the frequency conversion processes need to be cautiously intended to mitigate the aforementioned results. Consequently, a superior-power DUV laser on the FHG of 1 μm with an excellent beam good quality could possibly be obtained and will be advantageous for getting the shorter wavelength DUV lasers which include 193 nm by SFG.
The two the 1040 nm and 1078 nm laser originate from 1 dual-wavelength Yb-doped fiber laser. Every laser is amplified by stages of fiber amplifier and Yb-doped supplies amplifier, respectively.
On one other side, the ability scaling from the NIR laser is an additional part to increase the typical ability in the 193-nm DUV laser. Due to insufficient the superior-electrical power amplification Option of the NIR laser (by way of example at 1553 nm), nonlinear frequency procedures which include optical parameter oscillation (OPO) might be applied to produce a wavelength converter by shifting the wavelength from one μm to the specified wavelength together with obtaining relative better electric power [21]. Not too long ago, a diamond Raman laser confirmed its capacity in acquiring a higher electricity and a higher conversion effectiveness for the 1st Stokes of your 1-μm laser [22,23], which means the chance to generally be used during the 193-nm DUV laser technology due to its substantial Raman achieve and large frequency shift.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics of the Nd:YAG fundamental laser wavelength. To be able to improve the harm threshold, reduced CLBO surface roughness, by extremely-precision machining, is needed. Because the website CLBO crystal has quick hydroscopic response and micro scratches in machining, extremely-precise machining with the CLBO crystal is often a difficult complex issue.
Tunable ultraviolet laser source based on reliable-condition dye laser technological innovation and CsLiB6O10 harmonic era
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This cookie is utilized to history the enter contents and also the progress from the enter form. It doesn't retail store any personal data.