The best Side of CLBO Crystal
The best Side of CLBO Crystal
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Nevertheless, so that you can process the crystal is incredibly advanced production procedures are necessary. For the reason that dawn of this crystal, focusing on this challenge, we are actually the only real corporation on the globe that can be processed Within this crystal.
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According to the evidence-of-basic principle experiment, the conversion effectiveness of 23% implied the potential for obtaining large-electrical power at the second Stokes wavelength on the Raman laser. If the pump laser of 1078 nm can be acquired at the average ability of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm might be more than ten W. The design of your Raman laser cavity should be optimized so that you can stay away from the damage with the M1 and diamond area.
The common electric power on the NIR laser however has the probable to get improved to tens of watts for example 70 W [26] In case the double-pass configuration could be used for the Yb:YAG SCF amplifier phase. Consequently, Should the conversion performance of 31% from NIR to DUV can be even now managed at this larger ability condition, the normal output ability from the DUV laser at 258 nm might be a lot more than twenty W, which would certainly be a extraordinary electric power degree for your DUV laser and bring on the unanticipated DUV laser machining effects. Furthermore, for prime-electrical power DUV laser, the UV damage of the nonlinear crystal, such as the windows for CLBO crystal and the mirrors, is yet another crucial parameter for long term and steady Procedure.
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Both of those the 1040 nm and 1078 nm laser originate from just one twin-wavelength Yb-doped fiber laser. Just about every laser is amplified by phases of fiber amplifier and Yb-doped products amplifier, respectively.
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Within the scientific and industrial applications, the beam high quality of the DUV laser is also an essential parameter. Particularly, the beam quality of your DUV laser radically impacts the laser machining results. The beam excellent on the DUV laser is determined by that of the elemental laser as well as the crystal for your frequency conversion. Lately, a superior-electricity DUV laser (>10 W) at 258 nm was described having a beam high-quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an improved laser machining consequence in comparison to the preceding DUV lasers with much larger M2.
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Additionally, combining the solid-state laser with other nonlinear course of action like stimulated Raman scattering, NIR lasers may very well be accomplished at new wavelengths with significant power and large beam high-quality, which was tested through the evidence-of-basic principle experiment. This Raman laser plan provides a fresh path to the superior-power DUV laser, Specifically with the wavelength of 193 nm.
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The conversion efficiency from elementary NIR to DUV is from 5% to 36% in accordance with the claimed leads to Desk one. Growing the conversion click here performance will reduce the load on the look and set up of the fundamental laser amplifier together with the electric powered electrical power intake. A very good beam high quality of the basic laser can even add to the growing in the conversion effectiveness together with the right electric power depth on the NIR and inexperienced laser from the SHG and FHG course of action, respectively. The very best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [twelve], which corresponds for the conversion effectiveness of 35% from fundamental to DUV.
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