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In comparison with BBO it functions greater spectral and temperature acceptance, greater angle tolerance, in addition to a smaller stroll-off angle. from 3289 $ shipping
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The common power from the NIR laser nonetheless has the potential to generally be improved to tens of watts like 70 W [26] if the double-move configuration could be utilized for the Yb:YAG SCF amplifier phase. For this reason, If your conversion efficiency of 31% from NIR to DUV can be nevertheless managed at this greater electric power situation, the common output electricity of your DUV laser at 258 nm might be more than twenty W, which would become a amazing power level for your DUV laser and bring about the unanticipated DUV laser machining benefits. Also, for prime-electrical power DUV laser, the UV hurt with the nonlinear crystal, such as the Home windows for CLBO crystal as well as mirrors, is yet another significant parameter for long run and steady operation.
Then again, the beam quality of this bigger electrical power DUV laser would come to be worse as a result of extra critical thermal and nonlinear consequences. Hence, the frequency conversion processes must be diligently made to mitigate the aforementioned results. As a result, a significant-ability DUV laser at the FHG of one μm with a fantastic beam high-quality could be attained and may be valuable for acquiring the shorter wavelength DUV lasers for instance 193 nm by SFG.
Both equally the 1040 nm and 1078 nm laser come from a single dual-wavelength Yb-doped fiber laser. Each individual laser is amplified by phases of fiber amplifier and Yb-doped resources amplifier, respectively.
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Inside the scientific and industrial applications, the beam high quality from the DUV laser is likewise a very important parameter. Significantly, the beam high-quality with the DUV laser drastically affects the laser machining success. The beam excellent in the DUV laser is decided by that of the basic laser and also the crystal for that frequency conversion. Just lately, a high-electric power DUV laser (>10 W) at 258 nm was documented by using a beam high-quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring on a greater laser machining consequence in comparison to the preceding DUV lasers with larger sized M2.
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Additionally, combining the solid-point out laser with other nonlinear system for example stimulated Raman scattering, NIR lasers might be realized at new wavelengths with high electrical power and significant beam quality, which was tested by the proof-of-principle experiment. This Raman laser scheme offers a fresh route to the large-electrical power DUV laser, Specially for the wavelength of 193 nm.
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Its UV absorption edge reaches 180 nm. The effective nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as huge as that of KDP. CLBO crystals may be developed through the stoichiometric melt with decreased viscosity.
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