New Step by Step Map For CLBO Crystal

In this paper, the new lapping slurry and sharpening slurry are released. As well as deliquescence degree of CLBO is fallen to lowest. A whole new Doing the job technological know-how is additionally adopted. Immediately after tough sharpening, the focus of ultra-precision polishing slurry is improved appropriately. So does the ultra-precision polishing pace, and the wiping pace is faster compared to deliquescence pace. The CLBO crystal area roughness can obtain 1nm and preserve the floor quality nicely. Access by way of your establishment

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In accordance with the evidence-of-principle experiment, the conversion efficiency of 23% implied the potential of accomplishing high-energy at the second Stokes wavelength from the Raman laser. If your pump laser of 1078 nm can be attained at the average power of fifty W, the output ability of its 2nd Stokes wavelength at 1512 nm can be much more than ten W. The design with the Raman laser cavity must be optimized so that you can steer clear of the problems on the M1 and diamond surface.

The common electrical power of the NIR laser still has the prospective to generally be improved to tens of watts for example 70 W [26] Should the double-pass configuration may very well be used for the Yb:YAG SCF amplifier stage. Consequently, If your conversion performance of 31% from NIR to DUV can be still maintained at this larger electric power ailment, the average output power of the DUV laser at 258 nm could be more than twenty W, which might become a exceptional electrical power level with the DUV laser and result in the unanticipated DUV laser machining final results. Furthermore, for top-electricity DUV laser, the UV injury of the nonlinear crystal, such as the Home windows for CLBO crystal plus the mirrors, is another significant parameter for long lasting and steady Procedure.

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LBO can be an excellent nonlinear crystal which is usually applied to the SHG with the NIR to the eco-friendly. The DUV laser is frequently realized by two phases of SFG from the LBO crystals since there isn't any stage-matching angle for LBO to convert the green laser at 515 nm or 532 nm for the DUV immediately by SHG [16]. Not too long ago, the NSBBF crystal has also shown its possible to obtain a superior conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF are Just about just like Individuals of CLBO [seventeen].

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While in the scientific and industrial programs, the beam top quality in the DUV laser can also be an essential parameter. Specially, the beam excellent on the DUV laser drastically affects the laser machining effects. The beam good quality from the DUV laser is decided by that of the fundamental laser as well as crystal to the frequency conversion. Not long ago, a higher-electric power DUV laser (>10 W) at 258 nm was documented with a beam good quality of M2 < one.5, which was created by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would bring CLBO Crystal on a greater laser machining end result compared to the earlier DUV lasers with much larger M2.

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The beam profile demonstrated in Determine 7b shown a superb beam excellent as on the list of deserves of Raman laser, which might 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 substantial as that of KDP. CLBO crystals could be developed within the stoichiometric melt with reduce viscosity.

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