On the other hand, in an effort to process the crystal may be very Highly developed manufacturing techniques are expected. For the reason that dawn of the crystal, working on this problem, we are actually the only real company in the world that can be processed Within this crystal.
When compared to BBO it features greater spectral and temperature acceptance, better angle tolerance, and a scaled-down walk-off angle. from 3289 $ shipping
We summarized The existing growth standing of the significant-ability DUV laser both equally in the wavelength of FHG from the one-μm laser and at 193 nm. The latest enhancement in the strong-point out/fiber laser, as well as the nonlinear optical crystals, prompts don't just the normal electricity and also the beam excellent (coherence) on the DUV lasers to an unprecedented stage.
The normal electricity of the NIR laser even now has the potential being enhanced to tens of watts for instance 70 W [26] if the double-pass configuration may very well be utilized for that Yb:YAG SCF amplifier stage. As a result, if the conversion efficiency of 31% from NIR to DUV can be even now managed at this better electricity condition, the normal output power of your DUV laser at 258 nm can be greater than twenty W, which would become a extraordinary electrical power level for that DUV laser and bring on the unanticipated DUV laser machining results. What's more, for prime-power DUV laser, the UV destruction from the nonlinear crystal, including the Home windows for CLBO crystal along with the mirrors, is another vital parameter for long lasting and secure Procedure.
However, the beam high-quality of the greater electric power DUV laser would grow to be even worse on account of extra major thermal and nonlinear results. For this reason, the frequency conversion processes ought to be carefully designed to mitigate the aforementioned results. So, a substantial-electricity DUV laser at the FHG of 1 μm with an excellent beam top quality can be received and will be helpful for acquiring the shorter wavelength DUV lasers which include 193 nm by more info SFG.
Due to the thermal lens effect while in the good-point out lasers, When the heating administration is insufficient, it is not easy to get the reliable-state laser that has a higher power as well as a superior beam top quality concurrently. Not long ago, with the event of the thin disk laser and single-crystal fiber (SCF) laser, a significant-electricity laser at the elemental wavelength (1 μm) had been recognized with a good beam good quality Despite having a TEM00 method beam [4,24], which would be superior candidates for the elemental of the DUV laser generation. Another applicant for the fundamental would be the higher-electric power fiber laser which may very well be reached by coherent beam mixture with M2 value a lot less than 1.
On the other facet, the facility scaling of the NIR laser is another factor to improve the average power of the 193-nm DUV laser. Mainly because of the not enough the significant-ability amplification Alternative in the NIR laser (for instance at 1553 nm), nonlinear frequency procedures such as optical parameter oscillation (OPO) can be placed on create a wavelength converter by shifting the wavelength from one μm to the specified wavelength and also acquiring relative higher energy [21]. A short while ago, a diamond Raman laser showed its skill in attaining a large electrical power in addition to a high conversion effectiveness at the 1st Stokes with the one-μm laser [22,23], which implies the likelihood for being applied inside the 193-nm DUV laser era thanks to its large Raman gain and enormous frequency shift.
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Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as substantial as that of KDP. CLBO crystals can be grown with the stoichiometric soften with lessen viscosity.
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