5 Essential Elements For CLBO Crystal
5 Essential Elements For CLBO Crystal
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Within this paper, the new lapping slurry and polishing slurry are released. Along with the deliquescence degree of CLBO is fallen to least expensive. A new working technological know-how is likewise adopted. Immediately after rough sprucing, the concentration of extremely-precision sprucing slurry is enhanced effectively. So does the extremely-precision polishing velocity, and also the wiping speed is quicker as opposed to deliquescence pace. The CLBO crystal surface area roughness can accomplish 1nm and retain the floor excellent well. Entry by way of your institution
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Based on the evidence-of-principle experiment, the conversion efficiency of 23% implied the possibility of acquiring higher-electricity at the second Stokes wavelength of the Raman laser. If the pump laser of 1078 nm can be obtained at the average electric power of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm may be greater than 10 W. The design of the Raman laser cavity must be optimized in an effort to stay away from the hurt of your M1 and diamond surface area.
The common energy of the NIR laser nevertheless has the possible to become improved to tens of watts for instance 70 W [26] if the double-pass configuration can be utilized for your Yb:YAG SCF amplifier stage. For this reason, if the conversion effectiveness of 31% from NIR to DUV may very well be still maintained at this higher ability condition, the typical output electric power of your DUV laser at 258 nm might be in excess of 20 W, which would become a exceptional electrical power degree to the DUV laser and bring on the unanticipated DUV laser machining final results. Also, for prime-power DUV laser, the UV problems of the nonlinear crystal, such as the windows for CLBO crystal as well as mirrors, is yet another significant parameter for long-lasting and secure operation.
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LBO can also be a fantastic nonlinear crystal which is usually applied to the SHG within the NIR for the green. The DUV laser will likely be recognized by two phases of SFG in the LBO crystals because there isn't a stage-matching angle for LBO to convert the environmentally friendly laser at 515 nm or 532 nm into the DUV specifically by SHG [16]. Just lately, the NSBBF crystal has also shown its probable to get a substantial conversion efficiency from 532 nm to 266 nm. The stroll-off angle and deff of your NSBBF are Nearly much like All those of CLBO [seventeen].
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the most effective non-linear crystal which generates ultraviolet harmonics with the Nd:YAG basic laser wavelength. In order to increase the damage threshold, minimal CLBO floor roughness, by ultra-precision machining, is needed. Because the CLBO crystal has simple hydroscopic response and micro scratches in machining, ultra-exact machining in the CLBO crystal is really a tricky technical problem.
The beam profile shown in Figure 7b shown a good beam good quality as among the list of merits of Raman laser, which would be useful to crank out a 193-nm DUV laser with a high quality beam.
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The development with the 193-nm laser was demonstrated by phases of SFG. In order to scale the DUV laser electricity effectively, a whole new thought in the 193-nm DUV laser era is introduced depending on the diamond Raman laser.