CLBO Crystal - An Overview
CLBO Crystal - An Overview
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Nevertheless, to be able to approach the crystal is rather Sophisticated manufacturing procedures are necessary. Considering that the dawn of this crystal, engaged on this challenge, we are now the sole company in the world that could be processed in this crystal.
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In accordance with the proof-of-principle experiment, the conversion effectiveness of 23% implied the potential for obtaining high-energy at the next Stokes wavelength on the Raman laser. If your pump laser of 1078 nm could be obtained at the average electric power of fifty W, the output power of its 2nd Stokes wavelength at 1512 nm might be a lot more than ten W. The look on the Raman laser cavity really should be optimized in order to steer clear of the hurt of the M1 and diamond area.
The common electricity on the NIR laser even now has the potential to be enhanced to tens of watts such as 70 W [26] Should the double-move configuration may be utilized for that Yb:YAG SCF amplifier phase. That's why, if the conversion effectiveness of 31% from NIR to DUV could be even now maintained at this larger electric power problem, the common output electric power from the DUV laser at 258 nm could possibly be more than 20 W, which might certainly be a exceptional electric power level for your DUV laser and cause the unanticipated DUV laser machining success. In addition, for prime-ability DUV laser, the UV destruction on the nonlinear crystal, such as the windows for CLBO crystal and also the mirrors, is an additional important parameter for long lasting and stable Procedure.
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On one other aspect, the ability scaling from the NIR laser is another aspect to enhance the normal electricity of your 193-nm DUV laser. Mainly because of the deficiency of the large-electric power amplification Resolution in the NIR laser (for instance at 1553 nm), nonlinear frequency procedures for example optical parameter oscillation (OPO) might be placed on develop a wavelength converter by shifting the wavelength from one μm to the desired wavelength and acquiring relative larger electricity [21]. Not too long ago, a diamond Raman laser showed its capability in acquiring a significant power and a substantial conversion performance in the 1st Stokes of your 1-μm laser [22,23], which means the possibility to generally be applied inside the 193-nm DUV laser generation thanks to its high Raman attain and large frequency change.
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The conversion efficiency from basic NIR to DUV is from 5% to 36% in accordance with the reported ends in Desk 1. Raising the conversion efficiency will decrease the load on the design and set up of the fundamental laser click here amplifier together with the electric electricity use. A great beam excellent of the elemental laser will even lead to your increasing in the conversion effectiveness together with the right ability depth with the NIR and environmentally friendly laser inside the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to eco-friendly and green to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [12], which corresponds towards the conversion efficiency of 35% from essential to DUV.
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