Detailed Notes on CLBO Crystal
Detailed Notes on CLBO Crystal
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With this paper, The brand new lapping slurry and sprucing slurry are released. And also the deliquescence degree of CLBO is fallen to most affordable. A whole new Functioning technologies can be adopted. Immediately after rough sharpening, the concentration of ultra-precision polishing slurry is greater correctly. So does the extremely-precision polishing speed, as well as wiping velocity is quicker compared to the deliquescence speed. The CLBO crystal floor roughness can obtain 1nm and retain the area high-quality well. Access by way of your establishment
In comparison to BBO it capabilities more substantial spectral and temperature acceptance, better angle tolerance, plus a smaller walk-off angle. from 3289 $ shipping
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The common ability from the NIR laser nevertheless has the probable to be improved to tens of watts for example 70 W [26] In case the double-go configuration can be utilized for the Yb:YAG SCF amplifier stage. Consequently, If your conversion performance of 31% from NIR to DUV may very well be continue to taken care of at this higher ability situation, the normal output power of your DUV laser at 258 nm can be much more than twenty W, which would become a impressive electricity degree for your DUV laser and lead to the unanticipated DUV laser machining outcomes. In addition, for prime-power DUV laser, the UV problems with the nonlinear crystal, such as the windows for CLBO crystal plus the mirrors, is yet another significant parameter for long-term and stable operation.
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A result of the thermal lens outcome in the strong-state lasers, In the event the heating management is insufficient, It's not effortless to get the reliable-condition laser by using a significant ability in addition to a superior beam high-quality at the same time. Not long ago, with the event of the thin disk laser and single-crystal fiber (SCF) laser, a high-electric power laser at the elemental wavelength (one μm) had been realized with a great beam high quality even with a TEM00 mode beam [4,24], which might be superior candidates for the elemental on the DUV laser era. Yet another candidate for the elemental is definitely the substantial-electricity fiber laser which might be obtained by coherent beam blend with M2 value a lot less than 1.
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Inside the scientific and industrial apps, the beam excellent from the DUV laser is likewise a crucial parameter. Specifically, the beam top quality with the DUV laser drastically affects the laser machining benefits. The beam high quality on the DUV laser is decided by that of the elemental laser along with the crystal for the frequency conversion. Lately, a higher-electricity DUV laser (>10 W) at 258 nm was claimed that has a beam top quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would lead to a far better laser machining outcome when compared to the prior DUV lasers with more substantial M2.
The heart beat length of the second Stokes light was shortened to 5 ns as revealed in Determine 7a, only one-shot picture from the oscilloscope, that's a typical phenomenon in click here Raman laser [44] even though the pulse duration with the pump laser was ten ns.
Moreover, combining the sound-point out laser with other nonlinear procedure for example stimulated Raman scattering, NIR lasers might be reached at new wavelengths with substantial electricity and superior beam top quality, which was analyzed through the evidence-of-theory experiment. This Raman laser scheme supplies a different path to the significant-ability DUV laser, In particular for the wavelength of 193 nm.
Tunable ultraviolet laser supply based upon strong-condition dye laser technologies and CsLiB6O10 harmonic era
The conversion effectiveness from elementary NIR to DUV is from five% to 36% in accordance with the noted leads to Table one. Expanding the conversion efficiency will reduce the burden on the design and setup of the basic laser amplifier and also the electric powered power consumption. A great beam top quality of the basic laser may even lead on the raising with the conversion performance and the right ability depth on the NIR and inexperienced laser while in the SHG and FHG approach, respectively. The very best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by use of CLBO crystal are 70% and around 50%, respectively [12], which corresponds to the conversion effectiveness of 35% from fundamental to DUV.
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