5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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In this particular paper, the new lapping slurry and polishing slurry are introduced. And the deliquescence diploma of CLBO is fallen to lowest. A brand new Operating technologies is also adopted. After rough sprucing, the focus of ultra-precision polishing slurry is improved adequately. So does the ultra-precision polishing velocity, along with the wiping speed is faster compared to the deliquescence velocity. The CLBO crystal surface roughness can reach 1nm and maintain the floor high quality very well. Access by means of your establishment
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We summarized The present progress position on the high-energy DUV laser each at the wavelength of FHG with the 1-μm laser and at 193 nm. The the latest enhancement of the good-point out/fiber laser, plus the nonlinear optical crystals, prompts not simply the standard electrical power and also the beam high-quality (coherence) of your DUV lasers to an unprecedented degree.
The typical electrical power in the NIR laser nonetheless has the possible being improved to tens of watts like 70 W [26] Should the double-move configuration could be used for your Yb:YAG SCF amplifier stage. As a result, In case the conversion performance of 31% from NIR to DUV might be still preserved at this greater ability issue, the normal output energy of your DUV laser at 258 nm may very well be over twenty W, which would be considered a outstanding electrical power stage for the DUV laser and result in the unanticipated DUV laser machining outcomes. In addition, for prime-electricity DUV laser, the UV destruction of your nonlinear crystal, such as the windows for CLBO crystal along with the mirrors, is yet another vital parameter for long term and secure Procedure.
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Due to the thermal lens result within the stable-point out lasers, In case the heating administration is inadequate, It's not effortless to acquire the strong-state laser using a significant electrical power and also a higher beam good quality at the same time. Lately, with the development of the thin disk laser and single-crystal fiber (SCF) laser, a substantial-power laser at the elemental wavelength (one μm) were recognized with a superb beam excellent In spite of a TEM00 method beam [four,24], which would be good candidates for the basic in the DUV laser generation. Another prospect for the fundamental is the high-electrical power fiber laser which might be accomplished by coherent beam mix with M2 price below 1.
On one other aspect, the power scaling of your NIR laser is an additional aspect to increase the regular energy with the 193-nm DUV laser. Because of the deficiency of the superior-electrical power amplification Option from the NIR laser (such as at 1553 nm), nonlinear frequency processes such as 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 in addition to getting relative increased power [21]. Just lately, a diamond Raman laser confirmed its capacity in reaching a substantial energy and also a high conversion efficiency with the 1st Stokes with the one-μm laser [22,23], which implies the possibility to become applied within the 193-nm DUV laser generation because of its high Raman acquire and large frequency change.
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The heartbeat duration of the 2nd Stokes mild was shortened to five ns as proven in Determine 7a, an individual-shot photograph through the oscilloscope, that is a standard phenomenon in Raman laser [44] even though the heart beat duration with the pump laser was 10 ns.
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Tunable ultraviolet laser resource based on solid-state dye laser technologies and CsLiB6O10 harmonic generation
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 is often grown from your stoichiometric melt with decrease viscosity.
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