5 Simple Statements About CLBO Crystal Explained
5 Simple Statements About CLBO Crystal Explained
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In this paper, The brand new lapping slurry and sharpening slurry are introduced. As well as the deliquescence degree of CLBO is fallen to least expensive. A completely new Operating technologies is also adopted. Following tough polishing, the concentration of extremely-precision sharpening slurry is greater adequately. So does the ultra-precision sprucing speed, and also the wiping speed is quicker as opposed to deliquescence velocity. The CLBO crystal surface area roughness can achieve 1nm and hold the area high-quality effectively. Access by way of your institution
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We summarized The existing growth status with the large-ability DUV laser equally on the wavelength of FHG from the one-μm laser and at 193 nm. The modern improvement of your stable-state/fiber laser, and also the nonlinear optical crystals, prompts not merely the normal ability and also the beam top quality (coherence) with the DUV lasers to an unprecedented degree.
The normal electricity from the NIR laser still has the likely to be improved to tens of watts for instance 70 W [26] When the double-move configuration can be utilized to the Yb:YAG SCF amplifier phase. As a result, In the event the conversion efficiency of 31% from NIR to DUV could possibly be even now taken care of at this increased power situation, the typical output electrical power with the DUV laser at 258 nm may very well be in excess of twenty W, which would certainly be a extraordinary ability stage to the DUV laser and bring about the unanticipated DUV laser machining success. Also, for prime-electric power DUV laser, the UV problems in the nonlinear crystal, such as the windows for CLBO crystal and the mirrors, is an additional essential parameter for long term and secure operation.
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During the scientific and industrial apps, the beam good quality in the DUV laser can also be an important parameter. Significantly, the beam high quality of the DUV laser radically impacts the laser machining results. The beam high-quality in the DUV laser is decided by that of the fundamental laser as well as crystal to the frequency conversion. Recently, a significant-energy DUV laser (>ten W) at 258 nm was described using a beam high quality of M2 < 1.5, which was created by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring on a greater laser machining end result compared to the earlier DUV lasers with much larger M2.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics in the Nd:YAG essential laser wavelength. So as to enrich the destruction threshold, small CLBO area roughness, by extremely-precision machining, is necessary. As the CLBO crystal has uncomplicated hydroscopic reaction click here and micro scratches in machining, ultra-specific machining in the CLBO crystal is a tricky complex dilemma.
The beam profile demonstrated in Determine 7b demonstrated a great beam excellent as among the list of deserves of Raman laser, which would be helpful to create a 193-nm DUV laser with a high quality beam.
Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as big as that of KDP. CLBO crystals is usually grown within the stoichiometric melt with decreased viscosity.
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