The Basic Principles Of CLBO Crystal
The Basic Principles Of CLBO Crystal
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On this paper, The brand new lapping slurry and sharpening slurry are released. Along with the deliquescence diploma of CLBO is fallen to least expensive. A new Functioning technologies is likewise adopted. Following rough sprucing, the focus of ultra-precision sharpening slurry is improved correctly. So does the extremely-precision sharpening velocity, as well as the wiping pace is quicker compared to deliquescence velocity. The CLBO crystal surface roughness can realize 1nm and maintain the floor top quality perfectly. Accessibility as a result of your establishment
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We summarized The present improvement position on the higher-ability DUV laser equally in the wavelength of FHG in the one-μm laser and at 193 nm. The latest enhancement in the stable-state/fiber laser, along with the nonlinear optical crystals, prompts don't just the common energy and also the beam top quality (coherence) from the DUV lasers to an unparalleled level.
The typical electrical power in the NIR laser nevertheless has the prospective for being improved to tens of watts which include 70 W [26] If your double-move configuration could possibly be utilized to the Yb:YAG SCF amplifier stage. Hence, If your conversion efficiency of 31% from NIR to DUV may very well be nonetheless preserved at this higher energy issue, the average output electrical power with the DUV laser at 258 nm could be over 20 W, which might be described as a amazing electrical power amount for the DUV laser and result in the unanticipated DUV laser machining outcomes. What's more, for top-electricity DUV laser, the UV injury in the nonlinear crystal, such as the Home windows for CLBO crystal plus the mirrors, is an additional significant parameter for long run and stable Procedure.
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The two the 1040 nm and 1078 nm laser come from a single dual-wavelength Yb-doped fiber laser. Each and every laser is amplified by levels of fiber amplifier and Yb-doped products amplifier, respectively.
On one other facet, the ability scaling on the NIR laser is an additional element to increase the ordinary electric power in the 193-nm DUV laser. Because of the not enough the substantial-energy amplification Resolution with the NIR laser (for instance at 1553 nm), nonlinear frequency processes for example optical parameter oscillation (OPO) could be placed on make a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength along with acquiring relative larger electric power [21]. Not too long ago, a diamond Raman laser showed its capacity in obtaining a substantial electrical power in addition to a large conversion performance in the 1st Stokes from the one-μm laser [22,23], which implies the chance to generally be used from the 193-nm DUV laser era due to its high Raman attain and huge frequency change.
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The beam profile demonstrated in Determine 7b shown a good beam good quality as on the list of merits of Raman laser, which would be helpful to make a 193-nm DUV laser with a top quality beam.
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