The Ultimate Guide To CLBO Crystal
The Ultimate Guide To CLBO Crystal
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Nevertheless, in order to process the crystal may be very State-of-the-art manufacturing procedures are essential. Because the dawn of the crystal, working on this obstacle, we are now the sole company on this planet that can be processed In this particular crystal.
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We summarized the current enhancement standing from the higher-energy DUV laser both of those for the wavelength of FHG from the 1-μm laser and at 193 nm. The the latest growth of the reliable-point out/fiber laser, plus the nonlinear optical crystals, prompts not just the common power but in addition the beam quality (coherence) of your DUV lasers to an unprecedented degree.
By way of example, The present concave OC could be replaced by a plane mirror which could mitigate the facility density to the surface area of M1 as well as the diamond. Furthermore, applying significant injury threshold coatings for M1 and diamond would also Enhance the output power with no damages. Then, the NIR laser in the 2nd Stokes wavelength can be higher more than enough, and also its good beam quality, to generate the final DUV laser at 193 nm that has a higher regular ability.
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The pulse period of the second Stokes light-weight was shortened to 5 ns as demonstrated in Figure 7a, only one-shot picture within the oscilloscope, that's a common phenomenon in Raman laser [44] even though the pulse length of the pump laser was 10 ns.
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The conversion effectiveness from elementary NIR to DUV is from five% to 36% according to the described brings about Desk 1. Raising the conversion performance will lessen the burden on the design and setup of the basic laser amplifier along with the electrical electricity intake. An excellent beam quality of the basic laser will likely add into the expanding of your conversion effectiveness and the suitable power depth on the NIR and environmentally friendly laser in the SHG and FHG procedure, respectively. The best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by usage of CLBO crystal are 70% and all over 50%, respectively [12], which corresponds to the conversion efficiency of 35% from essential to DUV.
The development with the 193-nm laser was demonstrated by phases of SFG. In order to scale the DUV laser electric power successfully, a different idea with the 193-nm DUV laser generation is presented based upon the diamond Raman laser.