The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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On the other hand, to be able to course of action the crystal is very Superior manufacturing strategies are essential. Since the dawn of this crystal, working on this challenge, we are now the sole firm on the globe that can be processed In this particular crystal.
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Based on the proof-of-theory experiment, the conversion performance of 23% implied the opportunity of reaching substantial-power at the next Stokes wavelength on the Raman laser. Should the pump laser of 1078 nm could be obtained at the average energy of fifty W, the output ability of its 2nd Stokes wavelength at 1512 nm can be more than ten W. The look in the Raman laser cavity needs to be optimized as a way to avoid the destruction with the M1 and diamond surface area.
The common electrical power of the NIR laser even now has the potential to get enhanced to tens of watts for instance 70 W [26] When the double-move configuration may very well be used for the Yb:YAG SCF amplifier stage. For this reason, Should the conversion efficiency of 31% from NIR to DUV could possibly be even now preserved at this bigger electricity affliction, the standard output ability with the DUV laser at 258 nm can be over 20 W, which would be a remarkable power stage to the DUV laser and lead to the unanticipated DUV laser machining results. What's more, for prime-electrical power DUV laser, the UV destruction from the nonlinear crystal, such as the windows for CLBO crystal as well as mirrors, is an additional important parameter for lasting and stable operation.
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While in the scientific and industrial applications, the beam quality of your DUV laser is likewise a vital parameter. Specifically, the beam quality of your DUV laser radically influences the laser machining final results. The beam high quality of your DUV laser is determined by that of the elemental laser along with the crystal for the frequency conversion. Lately, a high-electric power DUV laser (>10 W) at 258 nm was documented with a beam good quality of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would result in an even better laser machining result when compared to the past DUV lasers with larger M2.
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Tunable ultraviolet laser source based on solid-point out dye laser technological know-how and CsLiB6O10 harmonic era
The conversion performance from basic NIR to DUV is from five% to 36% in accordance with the documented brings about Table 1. Raising the conversion efficiency will reduce the load on the look and set up of the fundamental laser amplifier plus the electric powered power usage. A fantastic beam high-quality of the fundamental laser may also contribute for the increasing of the conversion performance in addition to the appropriate energy intensity of the NIR and green laser in the SHG and FHG process, respectively. The best conversion efficiencies from NIR to environmentally friendly and inexperienced to DUV laser by utilization of CLBO crystal are 70% and close to 50%, respectively [twelve], which corresponds for the conversion efficiency of 35% from essential to DUV.
The development in the 193-nm laser was shown by levels of SFG. In an effort to scale the DUV laser ability efficiently, a completely new concept in the 193-nm DUV laser era is introduced based on the diamond Raman laser.