CLBO Crystal - An Overview
CLBO Crystal - An Overview
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All-good-state ultraviolet lasers have already been greatly used in the fields of mechanical flaw detection, lithography, micromachining and medication for the benefits of small volume, long life, superior efficiency, good beam high-quality, huge tuning and slim spectral line, etc. Employing substantial electric power in close proximity to-infrared coherent mild resource as the fundamental frequency resource according to nonlinear tuning engineering, generating ultraviolet coherent radiation by multistage frequency conversion is considered to be an important way to develop the ultraviolet coherent gentle source.
In comparison to BBO it capabilities larger spectral and temperature acceptance, greater angle tolerance, as well as a scaled-down walk-off angle. from 3289 $ shipping and delivery
In accordance with the proof-of-principle experiment, the conversion effectiveness of 23% implied the potential for reaching large-electric power at the next Stokes wavelength of your Raman laser. If the pump laser of 1078 nm might be acquired at the common electricity of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm might be in excess of ten W. The design in the Raman laser cavity need to be optimized so as to steer clear of the harm of your M1 and diamond surface area.
For illustration, The present concave OC could be replaced by a airplane mirror which could mitigate the ability density about the surface of M1 plus the diamond. Also, working with substantial injury threshold coatings for M1 and diamond would also improve the output electric power with no damages. Then, the NIR laser at the 2nd Stokes wavelength can be significant adequate, and also its very good beam high quality, to crank out the ultimate DUV laser at 193 nm using a significant typical energy.
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On one other facet, the facility scaling with the NIR laser is an additional element to boost the typical power with the 193-nm DUV laser. A result of the insufficient the superior-electricity amplification Alternative on the NIR laser (for instance at 1553 nm), nonlinear frequency procedures including optical parameter oscillation (OPO) could be applied to produce a wavelength converter by shifting the wavelength from one μm to the desired wavelength along with getting relative larger ability [21]. Just lately, a diamond Raman laser confirmed its capability in attaining a superior ability plus a high conversion efficiency with the 1st Stokes on the one-μm laser [22,23], which suggests the likelihood to get utilized inside the 193-nm DUV laser era on account of its large Raman gain and enormous frequency change.
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Furthermore, combining the reliable-condition laser with other nonlinear course of action such as stimulated Raman scattering, NIR lasers could possibly be reached at new wavelengths with superior energy and substantial beam high-quality, which was analyzed with the evidence-of-basic principle experiment. This Raman laser plan offers a brand new 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 lessen viscosity.
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