Not known Factual Statements About CLBO Crystal
Not known Factual Statements About CLBO Crystal
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In this particular paper, The brand new lapping slurry and polishing slurry are released. As well as the deliquescence diploma of CLBO is fallen to least expensive. A new Functioning technological know-how is additionally adopted. Immediately after tough sprucing, the focus of ultra-precision sprucing slurry is increased effectively. So does the extremely-precision sharpening velocity, and the wiping speed is faster when compared to the deliquescence pace. The CLBO crystal surface roughness can achieve 1nm and keep the area excellent properly. Obtain as a result of your establishment
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We summarized The present growth status of the large-power DUV laser both equally on the wavelength of FHG of the one-μm laser and at 193 nm. The recent progress in the sound-point out/fiber laser, plus the nonlinear optical crystals, prompts don't just the normal electricity but additionally the beam high-quality (coherence) from the DUV lasers to an unparalleled degree.
For instance, The existing concave OC could get replaced by a plane mirror which could mitigate the facility density to the surface area of M1 and also the diamond. Moreover, applying substantial injury threshold coatings for M1 and diamond would also Increase the output ability with no damages. Then, the NIR laser on the 2nd Stokes wavelength might be superior ample, in addition to its great beam high-quality, to make the ultimate DUV laser at 193 nm that has a high normal energy.
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On the opposite aspect, the power scaling from the NIR laser is another component to increase the typical electrical power on the 193-nm DUV laser. A result of the lack of the significant-electrical power amplification solution with the NIR laser (as an example at 1553 nm), nonlinear frequency procedures like optical parameter oscillation (OPO) may very well be applied to make a wavelength converter by shifting the wavelength from one μm to the specified wavelength and acquiring relative bigger power [21]. Just lately, a diamond Raman laser showed its skill in reaching a significant power plus a significant conversion performance in the 1st Stokes on the one-μm laser [22,23], which suggests the likelihood to generally be applied in the 193-nm DUV laser technology thanks to its high Raman attain and enormous frequency shift.
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The heartbeat duration of the 2nd Stokes gentle was shortened to 5 ns as demonstrated in Figure 7a, a single-shot photo from your oscilloscope, that is a typical phenomenon in Raman laser [forty four] even though the heart beat duration with the pump laser was 10 ns.
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The beam profile revealed in Figure 7b shown a great beam good quality as one of the merits of Raman laser, more info which would be helpful to crank out a 193-nm DUV laser with a high quality beam.
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