5 Tips about CLBO Crystal You Can Use Today
5 Tips about CLBO Crystal You Can Use Today
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Nonetheless, to be able to system the crystal is very Superior producing approaches are demanded. Because the dawn of this crystal, focusing on this challenge, we at the moment are the only real organization on the planet that may be processed On this crystal.
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We summarized the current enhancement standing of the significant-electricity DUV laser equally in the wavelength of FHG with the 1-μm laser and at 193 nm. The new advancement of your reliable-point out/fiber laser, plus the nonlinear optical crystals, prompts not only the common power and also the beam quality (coherence) in the DUV lasers to an unparalleled stage.
The standard ability with the NIR laser nevertheless has the prospective to become enhanced to tens of watts like 70 W [26] Should the double-move configuration might be used for the Yb:YAG SCF amplifier phase. Therefore, If your conversion efficiency of 31% from NIR to DUV can be nevertheless managed at this greater electric power situation, the normal output ability from the DUV laser at 258 nm may very well be more than 20 W, which would be considered a amazing ability level for the DUV laser and result in the unanticipated DUV laser machining final results. Additionally, for prime-electrical power DUV laser, the UV injury in the nonlinear crystal, including the windows for CLBO crystal and also the mirrors, is another essential parameter for long term and stable operation.
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Both of those the 1040 nm and 1078 nm laser come from a person dual-wavelength Yb-doped fiber laser. Each individual laser is amplified by stages of fiber amplifier and Yb-doped resources amplifier, respectively.
On the opposite side, the power scaling of your NIR laser is yet another factor to improve the normal electricity in the 193-nm DUV laser. Because of the not enough the substantial-energy amplification Alternative of the NIR laser (such as at 1553 nm), nonlinear frequency processes including optical parameter oscillation (OPO) could be applied to produce a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength in addition to acquiring relative better energy [21]. Not long ago, a diamond Raman laser confirmed its ability in attaining a significant ability along with a higher conversion efficiency in the 1st Stokes in the 1-μm laser [22,23], which suggests the chance to be used from the 193-nm DUV laser era due to its higher Raman obtain and large frequency shift.
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Also, combining the strong-condition laser with other nonlinear process for instance stimulated Raman scattering, NIR lasers might be reached at new wavelengths with superior power and large beam excellent, which was analyzed from the proof-of-principle experiment. This Raman laser scheme gives a different path to the significant-ability DUV laser, especially in the wavelength of 193 nm.
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Its UV absorption edge reaches a hundred and eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as large as that of KDP. CLBO crystals could get more info be developed through the stoichiometric soften with decrease viscosity.
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