Nevertheless, as a way to procedure the crystal is quite Sophisticated manufacturing tactics are needed. Since the dawn of the crystal, engaged on this obstacle, we are now the only real firm in the world which can be processed in this crystal.
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According to the evidence-of-theory experiment, the conversion effectiveness of 23% implied the opportunity of acquiring significant-ability at the second Stokes wavelength in the Raman laser. In the event the pump laser of 1078 nm can be acquired at the common electrical power of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm might be more than 10 W. The design on the Raman laser cavity ought to be optimized to be able to stay away from the harm with the M1 and diamond area.
The standard electrical power from the NIR laser nonetheless has the potential to generally be improved to tens of watts such as 70 W [26] Should the double-move configuration might be used for your Yb:YAG SCF amplifier stage. For this reason, In the event the conversion effectiveness of 31% from NIR to DUV might be however maintained at this increased power problem, the common output ability from the DUV laser at 258 nm could be a lot more than twenty W, which might certainly be a outstanding electrical power degree to the DUV laser and bring on the unanticipated DUV laser machining outcomes. In addition, for prime-electrical power DUV laser, the UV damage from the nonlinear crystal, such as the Home windows for CLBO crystal as well as the mirrors, is yet another crucial parameter for long-lasting and steady operation.
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LBO can be an outstanding nonlinear crystal which is usually placed on the SHG through the NIR to your eco-friendly. The DUV laser is usually understood by two stages of SFG within the LBO crystals since there is no phase-matching angle for LBO to convert the green laser at 515 nm or 532 nm towards the DUV immediately by SHG [16]. Not too long ago, the NSBBF crystal has also proven its opportunity to acquire a superior conversion performance from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF are Just about comparable to All those of CLBO [17].
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Its UV absorption edge reaches a hundred and eighty nm. The powerful nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about two times as massive as that of KDP. CLBO crystals could be grown with the stoichiometric soften with decrease viscosity.
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