CLBO Crystal Fundamentals Explained
CLBO Crystal Fundamentals Explained
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In this particular paper, The brand new lapping slurry and polishing slurry are launched. Along with the deliquescence diploma of CLBO is fallen to least expensive. A brand new Doing the job engineering is usually adopted. Following tough sharpening, the focus of ultra-precision polishing slurry is enhanced appropriately. So does the ultra-precision sharpening pace, as well as the wiping velocity is faster compared to the deliquescence velocity. The CLBO crystal area roughness can accomplish 1nm and hold the surface quality properly. Entry as a result of your establishment
Compared to BBO it characteristics larger sized spectral and temperature acceptance, much better angle tolerance, in addition to a scaled-down wander-off angle. from 3289 $ shipping and delivery
We summarized the current development position with the substantial-power DUV laser both equally on the wavelength of FHG from the one-μm laser and at 193 nm. The latest improvement with the strong-condition/fiber laser, along with the nonlinear optical crystals, prompts not simply the average electricity but will also the beam quality (coherence) with the DUV lasers to an unprecedented amount.
The normal electric power with the NIR laser nonetheless has the possible to generally be enhanced to tens of watts such as 70 W [26] If your double-pass configuration could possibly be used to the Yb:YAG SCF amplifier phase. Therefore, if the conversion efficiency of 31% from NIR to DUV could possibly be still maintained at this higher electricity situation, the average output electricity with the DUV laser at 258 nm may be greater than 20 W, which would be a outstanding ability degree with the DUV laser and lead to the unanticipated DUV laser machining benefits. Furthermore, for high-electrical power DUV laser, the UV damage in the nonlinear crystal, such as the Home windows for CLBO crystal as well as the mirrors, is yet another crucial parameter for long-lasting and stable operation.
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Within the scientific and industrial programs, the beam high quality with the DUV laser is additionally a significant parameter. Especially, the beam high-quality of the DUV laser dramatically impacts the laser machining benefits. The beam high quality of the DUV laser is decided by that of the elemental laser and the crystal for the frequency conversion. Not too long ago, a superior-power DUV laser (>ten W) at 258 nm was reported using a beam high quality of M2 < 1.five, which was produced by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring about an even better laser machining final result as compared to the past DUV lasers with larger sized M2.
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In addition, combining the solid-condition laser with other nonlinear system including stimulated Raman scattering, NIR lasers can be reached at new wavelengths with higher electric power and high beam top quality, which was examined via the evidence-of-principle experiment. This Raman laser scheme gives a different route to the large-electric power DUV laser, especially in the wavelength of 193 nm.
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The conversion performance from elementary NIR to DUV is from 5% to 36% in accordance with the documented results in Desk 1. Raising the conversion efficiency will decrease the stress on the design and set up of the fundamental laser amplifier together with the electric electric power consumption. A superb beam high quality of the fundamental laser can even add for the raising of the conversion efficiency and also the suitable ability depth of the NIR and eco-friendly laser from the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to green CLBO Crystal and green to DUV laser by usage of CLBO crystal are 70% and all-around fifty%, respectively [twelve], which corresponds on the conversion effectiveness of 35% from fundamental to DUV.
The event from the 193-nm laser was shown by stages of SFG. So that you can scale the DUV laser electrical power effectively, a whole new notion of your 193-nm DUV laser generation is offered based on the diamond Raman laser.