The Definitive Guide to CLBO Crystal
The Definitive Guide to CLBO Crystal
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All-sound-condition ultraviolet lasers happen to be broadly Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of little quantity, very long lifetime, significant performance, superior beam high quality, wide tuning and slender spectral line, and so on. Utilizing significant power in the vicinity of-infrared coherent light-weight resource as the basic frequency source determined by nonlinear tuning know-how, creating ultraviolet coherent radiation by multistage frequency conversion is thought to be an essential approach to develop the ultraviolet coherent light-weight supply.
As compared to BBO it options greater spectral and temperature acceptance, greater angle tolerance, and a scaled-down stroll-off angle. from 3289 $ delivery
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As an example, the current concave OC could get replaced by a aircraft mirror which could mitigate the facility density to the floor of M1 along with the diamond. In addition, making use of higher destruction threshold coatings for M1 and diamond would also Increase the output electric power without any damages. Then, the NIR laser at the 2nd Stokes wavelength may very well be large more than enough, and also its good beam good quality, to deliver the final DUV laser at 193 nm by using a higher common electricity.
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Both the 1040 nm and 1078 nm laser come from 1 twin-wavelength Yb-doped fiber laser. Every single laser is amplified by stages of fiber amplifier and Yb-doped products amplifier, respectively.
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In the scientific and industrial apps, the beam top quality from the DUV laser is usually a vital parameter. Particularly, the beam good quality from the DUV laser radically impacts the laser machining effects. The beam excellent in the DUV laser is decided by that of the basic laser and the crystal with the frequency conversion. Just lately, a high-electricity DUV laser (>ten W) at 258 nm was claimed using a beam excellent of M2 click here < one.five, which was created by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in a much better laser machining final result when compared with the past DUV lasers with larger sized M2.
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Tunable ultraviolet laser resource based upon sound-point out dye laser know-how and CsLiB6O10 harmonic generation
The conversion efficiency from basic NIR to DUV is from five% to 36% according to the reported ends in Table one. Growing the conversion effectiveness will reduce the stress on the look and setup of the basic laser amplifier in addition to the electric electricity intake. An excellent beam high quality of the basic laser will also contribute towards the rising in the conversion performance in addition to the suitable electricity intensity from the NIR and inexperienced laser while in the SHG and FHG procedure, respectively. The highest conversion efficiencies from NIR to environmentally friendly and inexperienced to DUV laser by utilization of CLBO crystal are 70% and about fifty%, respectively [twelve], which corresponds for the conversion efficiency of 35% from essential to DUV.
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