Getting My CLBO Crystal To Work
Getting My CLBO Crystal To Work
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Having said that, so as to approach the crystal is extremely Innovative production methods are required. Because the dawn of this crystal, focusing on this challenge, we are actually the one business on the globe that may be processed During this crystal.
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The true secret issue of ultraviolet coherent light source primarily focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is one of the conditions for frequency transformation, so The expansion, dimension, damage resistance, conversion effectiveness and allowable parameter selection of nonlinear optical crystal are expected Progressively more.
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In the scientific and industrial purposes, the beam high-quality of your DUV laser is usually a very important parameter. Particularly, the beam high-quality from the DUV laser radically influences the laser machining outcomes. The beam quality with the DUV laser is determined by that of the elemental laser as well as the crystal with the frequency conversion. Just lately, a higher-ability DUV laser (>10 W) at 258 nm was described with a beam high quality of M2 < one.five, which was generated by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would lead to an improved laser machining result when compared to the previous DUV lasers with more substantial M2.
The heartbeat duration of the 2nd Stokes mild was shortened to 5 ns as demonstrated in Determine 7a, one-shot picture within the oscilloscope, and that is a common phenomenon in Raman laser [forty four] whilst the heart check here beat length with the pump laser was 10 ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics from the Nd:YAG fundamental laser wavelength. So that you can enrich the damage threshold, reduced CLBO surface area roughness, by extremely-precision machining, is required. Because the CLBO crystal has quick hydroscopic reaction and micro scratches in machining, ultra-specific machining on the CLBO crystal is actually a difficult complex issue.
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Its UV absorption edge reaches one hundred eighty 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.
The event of the 193-nm laser was demonstrated by levels of SFG. To be able to scale the DUV laser ability efficiently, a completely new notion in the 193-nm DUV laser technology is introduced determined by the diamond Raman laser.