On this paper, The brand new lapping slurry and sprucing slurry are released. As well as the deliquescence degree of CLBO is fallen to cheapest. A fresh working technologies can be adopted. Immediately after tough sprucing, the concentration of ultra-precision sharpening slurry is greater properly. So does the ultra-precision polishing speed, along with the wiping pace is faster as opposed to deliquescence pace. The CLBO crystal surface roughness can attain 1nm and keep the area high-quality very well. Access through your establishment
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According to the evidence-of-basic principle experiment, the conversion efficiency of 23% implied the potential of obtaining superior-energy at the next Stokes wavelength in the Raman laser. In case the pump laser of 1078 nm may very well be received at the typical electrical power of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be much more than ten W. The look of your Raman laser cavity should be optimized to be able to avoid the damage with the M1 and diamond floor.
The important thing trouble of ultraviolet coherent light resource mostly concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is amongst the problems for frequency transformation, so the growth, measurement, injury resistance, conversion effectiveness and allowable parameter range of nonlinear optical crystal are required more and more.
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Because of the thermal lens outcome inside the solid-condition lasers, If your heating management is inadequate, It's not at all effortless to acquire the stable-condition laser with a superior electric power along with a high beam read more high-quality at the same time. Lately, with the event of the thin disk laser and solitary-crystal fiber (SCF) laser, a significant-electric power laser at the elemental wavelength (one μm) were recognized with a fantastic beam excellent even with a TEM00 mode beam [four,24], which would be fantastic candidates for the fundamental in the DUV laser era. An additional applicant for the elemental could be the substantial-power fiber laser which might be attained by coherent beam mixture with M2 benefit a lot less than one.
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In the scientific and industrial programs, the beam good quality of the DUV laser is additionally an essential parameter. Notably, the beam high quality in the DUV laser significantly affects the laser machining outcomes. The beam excellent with the DUV laser is set by that of the fundamental laser along with the crystal to the frequency conversion. Recently, a higher-electricity DUV laser (>10 W) at 258 nm was claimed by using a beam quality of M2 < one.5, which was generated by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would produce an even better laser machining end result when compared with the earlier DUV lasers with larger sized M2.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics on the Nd:YAG essential laser wavelength. In an effort to increase the hurt threshold, minimal CLBO floor roughness, by ultra-precision machining, is required. As the CLBO crystal has quick hydroscopic reaction and micro scratches in machining, extremely-exact machining with the CLBO crystal can be a tricky technological difficulty.
The beam profile proven in Figure 7b demonstrated a fantastic beam quality as one of the deserves of Raman laser, which would be helpful to produce a 193-nm DUV laser with a top quality beam.
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