The Definitive Guide to CLBO Crystal
The Definitive Guide to CLBO Crystal
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In this paper, the new lapping slurry and polishing slurry are introduced. And the deliquescence diploma of CLBO is fallen to lowest. A new Doing the job technology is also adopted. Following rough polishing, the concentration of extremely-precision polishing slurry is amplified adequately. So does the ultra-precision sprucing pace, as well as wiping speed is faster in comparison to the deliquescence pace. The CLBO crystal surface roughness can obtain 1nm and maintain the floor quality properly. Access by means of your establishment
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According to the evidence-of-principle experiment, the conversion efficiency of 23% implied the potential of obtaining high-electricity at the next Stokes wavelength of your Raman laser. Should the pump laser of 1078 nm can be obtained at the normal power of 50 W, the output ability of its 2nd Stokes wavelength at 1512 nm may very well be over ten W. The design from the Raman laser cavity should be optimized so that you can stay away from the destruction on the M1 and diamond area.
The standard power of your NIR laser nonetheless has the prospective being enhanced to tens of watts which include 70 W [26] In the event the double-move configuration can be used with the Yb:YAG SCF amplifier phase. Consequently, In case the conversion efficiency of 31% from NIR to DUV might be nonetheless managed at this larger electrical power situation, the standard output electric power of the DUV laser at 258 nm might be more than twenty W, which would become a amazing electrical power amount with the DUV laser and bring on the unanticipated DUV laser machining final results. Furthermore, for top-electrical power DUV laser, the UV damage on the nonlinear crystal, such as the windows for CLBO crystal as well as the mirrors, is another crucial parameter for long-lasting and stable operation.
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Both equally the 1040 nm and 1078 nm laser originate from a person twin-wavelength Yb-doped fiber laser. Every laser is amplified by phases of fiber amplifier and Yb-doped products amplifier, respectively.
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The pulse length of the 2nd Stokes mild was shortened to five ns as revealed in Figure 7a, only one-shot picture from the oscilloscope, and click here that is a common phenomenon in Raman laser [44] though the pulse length of your pump laser was 10 ns.
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The conversion efficiency from elementary NIR to DUV is from five% to 36% based on the claimed leads to Table one. Growing the conversion performance will reduce the load on the look and setup of the fundamental laser amplifier plus the electric powered energy usage. A fantastic beam high-quality of the fundamental laser will even lead to your expanding of the conversion efficiency in addition to the appropriate energy intensity from the NIR and green laser within the SHG and FHG procedure, respectively. The best conversion efficiencies from NIR to green and green to DUV laser by usage of CLBO crystal are 70% and all over 50%, respectively [12], which corresponds into the conversion effectiveness of 35% from basic to DUV.
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