The Basic Principles Of CLBO Crystal
The Basic Principles Of CLBO Crystal
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During this paper, the new lapping slurry and sharpening slurry are introduced. And the deliquescence degree of CLBO is fallen to lowest. A completely new Operating technology is usually adopted. After tough polishing, the focus of extremely-precision sharpening slurry is enhanced thoroughly. So does the extremely-precision sprucing pace, as well as wiping pace is quicker compared to the deliquescence pace. The CLBO crystal area roughness can accomplish 1nm and maintain the surface excellent well. Obtain by means of your institution
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We summarized the current enhancement status from the significant-power DUV laser the two for the wavelength of FHG of your one-μm laser and at 193 nm. The new enhancement on the stable-state/fiber laser, plus the nonlinear optical crystals, prompts not simply the common ability but will also the beam top quality (coherence) with the DUV lasers to an unprecedented stage.
The common power in the NIR laser nevertheless has the opportunity being improved to tens of watts for example 70 W [26] In case the double-move configuration might be utilized for the Yb:YAG SCF amplifier phase. Hence, In case the conversion efficiency of 31% from NIR to DUV can be however maintained at this better electrical power condition, the common output electrical power from the DUV laser at 258 nm could be more than 20 W, which would become a outstanding electricity amount with the DUV laser and produce the unanticipated DUV laser machining effects. What's more, for high-ability DUV laser, the UV hurt from the nonlinear crystal, including the windows for CLBO crystal as well as the mirrors, is another crucial parameter for long-lasting and steady Procedure.
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The heart beat length of the second Stokes light-weight was shortened to 5 ns as proven in Determine 7a, just one-shot photograph through the oscilloscope, that is a standard phenomenon in Raman laser [44] even though the pulse length of your pump laser was 10 ns.
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The conversion efficiency from essential NIR to DUV is from 5% to 36% in accordance with the noted brings about Table 1. Increasing the conversion effectiveness will lessen the burden on the look and setup of the elemental laser amplifier in addition to the electric powered energy intake. A good beam top quality of the basic laser will likely contribute on the raising of the conversion efficiency along with the suitable electric power depth of the NIR and green laser during the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to green and green to DUV laser by use of CLBO crystal are 70% and around fifty%, respectively [twelve], which corresponds to your conversion performance of 35% from elementary to DUV.
The event of the 193-nm laser was shown by levels of SFG. In order to scale the DUV laser electric power efficiently, a completely new notion with the 193-nm DUV laser generation is presented determined by the diamond Raman laser.