CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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On the other hand, in an effort to process the crystal may be very State-of-the-art manufacturing tactics are necessary. Since the dawn of the crystal, working on this obstacle, we are now the only real corporation on the planet that could be processed Within this crystal.
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In accordance with the proof-of-theory experiment, the conversion performance of 23% implied the opportunity of reaching substantial-ability at the 2nd Stokes wavelength of your Raman laser. If the pump laser of 1078 nm might be obtained at the normal power of fifty W, the output ability of its 2nd Stokes wavelength at 1512 nm could be more than 10 W. The design from the Raman laser cavity needs to be optimized in an effort to stay away from the injury in the M1 and diamond surface area.
The normal power of the NIR laser nonetheless has the likely being improved to tens of watts like 70 W [26] if the double-go configuration may very well be utilized to the Yb:YAG SCF amplifier stage. For this reason, In the event the conversion performance of 31% from NIR to DUV could possibly be even now maintained at this increased power condition, the standard output electric power in the DUV laser at 258 nm may be in excess of twenty W, which might be considered a remarkable electrical power degree to the DUV laser and produce the unanticipated DUV laser machining outcomes. Additionally, for prime-electric power DUV laser, the UV hurt with the nonlinear crystal, such as the windows for CLBO crystal and also the mirrors, is yet another vital parameter for long-lasting and steady operation.
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LBO can be an excellent nonlinear crystal which is usually placed on the SHG in the NIR to your green. The DUV laser is often understood by two stages of SFG inside the LBO crystals considering the fact that there is no phase-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm on the DUV specifically by SHG [sixteen]. Not long ago, the NSBBF crystal has also demonstrated its likely to get a large conversion efficiency from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF check here are Just about much like those of CLBO [17].
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the best non-linear crystal which generates ultraviolet harmonics in the Nd:YAG fundamental laser wavelength. In order to enhance the destruction threshold, very low CLBO floor roughness, by ultra-precision machining, is necessary. Since the CLBO crystal has simple hydroscopic response and micro scratches in machining, ultra-precise machining of the CLBO crystal is usually a hard technical challenge.
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The conversion effectiveness from essential NIR to DUV is from 5% to 36% based on the claimed results in Table one. Expanding the conversion efficiency will decrease the load on the look and set up of the basic laser amplifier as well as the electric electricity use. A great beam good quality of the elemental laser will also contribute to your rising 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 highest conversion efficiencies from NIR to environmentally friendly and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and close to fifty%, respectively [twelve], which corresponds for the conversion performance of 35% from elementary to DUV.
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