5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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However, in order to approach the crystal is very advanced manufacturing methods are demanded. Since the dawn of this crystal, working on this challenge, we are now the only organization on this planet which can be processed With this crystal.
Compared to BBO it features larger spectral and temperature acceptance, much better angle tolerance, as well as a smaller wander-off angle. from 3289 $ shipping
We summarized The present improvement position in the superior-electricity DUV laser each within the wavelength of FHG in the one-μm laser and at 193 nm. The current advancement of the reliable-state/fiber laser, along with the nonlinear optical crystals, prompts not merely the average electricity but also the beam excellent (coherence) from the DUV lasers to an unprecedented level.
For example, The present concave OC could be replaced by a aircraft mirror which could mitigate the power density about the surface area of M1 as well as the diamond. In addition, using significant destruction threshold coatings for M1 and diamond would also Enhance the output power without any damages. Then, the NIR laser with the 2nd Stokes wavelength may very well be higher ample, as well as its very good beam high-quality, to deliver the ultimate DUV laser at 193 nm that has a large common electricity.
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In the scientific and industrial applications, the beam good quality of your DUV laser is also a vital parameter. Specially, the beam high quality on the DUV laser considerably has an effect on the laser machining outcomes. The beam good quality from the DUV laser is determined by that of the elemental laser as well as crystal for the frequency conversion. Recently, a large-power DUV laser (>10 W) at 258 nm was noted having a beam quality of M2 < 1.5, which was produced by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would bring on an even better laser machining consequence in comparison with the preceding DUV lasers with more substantial M2.
The pulse duration of the second Stokes light was shortened to 5 ns as revealed in Determine 7a, just one-shot photo from the oscilloscope, which happens to be a typical phenomenon in Raman laser [44] when the heart beat length on the pump laser was 10 ns.
Cesium Lithium Borate (CsLiB6O10 or CLBO) is the here simplest non-linear crystal which generates ultraviolet harmonics of your Nd:YAG essential laser wavelength. In order to enhance the harm threshold, reduced CLBO surface area roughness, by extremely-precision machining, is required. Because the CLBO crystal has simple hydroscopic reaction and micro scratches in machining, extremely-precise machining with the CLBO crystal is a tricky technical problem.
The beam profile revealed in Determine 7b demonstrated an excellent beam good quality as one of many deserves of Raman laser, which might be effective to produce a 193-nm DUV laser with a high quality beam.
The conversion performance from basic NIR to DUV is from five% to 36% according to the noted brings about Table 1. Increasing the conversion effectiveness will lessen the burden on the design and set up of the fundamental laser amplifier together with the electrical electrical power consumption. A very good beam high-quality of the basic laser may also add for the increasing with the conversion efficiency and the suitable energy depth from the NIR and green laser during the SHG and FHG approach, respectively. The best conversion efficiencies from NIR to green and green to DUV laser by utilization of CLBO crystal are 70% and all over 50%, respectively [twelve], which corresponds into the conversion efficiency of 35% from basic to DUV.
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