Examine This Report on CLBO Crystal

All-stable-point out ultraviolet lasers have already been broadly used in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of compact quantity, long everyday living, high efficiency, great beam good quality, huge tuning and narrow spectral line, and many others. Making use of large electrical power in close proximity to-infrared coherent gentle supply as the elemental frequency source determined by nonlinear tuning technologies, producing ultraviolet coherent radiation by multistage frequency conversion is considered an important solution to build the ultraviolet coherent light-weight source.

As compared to BBO it functions bigger spectral and temperature acceptance, improved angle tolerance, along with a lesser walk-off angle. from 3289 $ delivery

Based on the evidence-of-principle experiment, the conversion efficiency of 23% implied the potential of attaining superior-energy at the 2nd Stokes wavelength from the Raman laser. If the pump laser of 1078 nm might be attained at the standard ability of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm may very well be a lot more than 10 W. The look of the Raman laser cavity must be optimized in an effort to avoid the damage on the M1 and diamond floor.

The average electricity with the NIR laser continue to has the possible for being improved to tens of watts for instance 70 W [26] if the double-move configuration may be used to the Yb:YAG SCF amplifier phase. Therefore, If your conversion efficiency of 31% from NIR to DUV could be even now preserved at this larger energy issue, the typical output ability with the DUV laser at 258 nm may be more than twenty W, which would certainly be a amazing electrical power level for your DUV laser and produce the unanticipated DUV laser machining results. Moreover, for high-electric power DUV laser, the UV destruction of the nonlinear crystal, including the windows for CLBO crystal and the mirrors, is another crucial parameter for long run and steady operation.

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LBO is likewise a fantastic nonlinear crystal which is always applied to the SHG with the NIR towards the green. The DUV laser is generally realized by two stages of SFG from the LBO crystals considering that there is no stage-matching angle for LBO to transform the eco-friendly laser at 515 nm or 532 nm to your DUV directly by SHG [sixteen]. Lately, the NSBBF crystal has also shown its potential to obtain a higher conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff of your NSBBF are Nearly just like These of CLBO [17].

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The conversion performance from essential NIR to DUV is from five% to 36% based on the documented brings about Table one. Rising the conversion effectiveness will lessen the burden on the design and set up of the elemental laser amplifier and also the electric ability intake. An excellent beam quality of the fundamental laser will likely lead into the escalating on the conversion efficiency along with the appropriate electricity depth of the NIR and eco-friendly laser while in the SHG and FHG course of action, respectively. The very best conversion efficiencies from NIR to inexperienced and inexperienced to DUV laser by use of CLBO crystal are 70% and around fifty%, respectively [twelve], which corresponds for the conversion effectiveness of 35% from elementary to DUV.

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