The best Side of CLBO Crystal
The best Side of CLBO Crystal
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As compared to BBO it capabilities more substantial spectral and temperature acceptance, far better angle tolerance, and a lesser stroll-off angle. from 3289 $ delivery
In accordance with the proof-of-principle experiment, the conversion performance of 23% implied the opportunity of reaching substantial-electrical power at the next Stokes wavelength with the Raman laser. When the pump laser of 1078 nm could possibly be obtained at the typical electricity of fifty W, the output electrical power of its 2nd Stokes wavelength at 1512 nm could possibly be over ten W. The look with the Raman laser cavity need to be optimized to be able to steer clear of the destruction of the M1 and diamond surface.
The common electricity on the NIR laser nevertheless has the probable to generally be improved to tens of watts such as 70 W [26] In case the double-pass configuration may be utilized to the Yb:YAG SCF amplifier stage. For this reason, if the conversion efficiency of 31% from NIR to DUV may be however managed at this higher energy problem, the common output electrical power on the DUV laser at 258 nm could possibly be a lot more than twenty W, which might become a impressive electrical power degree for your DUV laser and result in the unanticipated DUV laser machining results. Moreover, for top-ability DUV laser, the UV destruction with the nonlinear crystal, including the windows for CLBO crystal and also the mirrors, is yet another critical parameter for long run and steady operation.
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LBO is likewise an outstanding nonlinear crystal which is always applied to the SHG from your NIR for the eco-friendly. The DUV laser is frequently realized by two levels of SFG from the LBO crystals considering the fact that there isn't any phase-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm for the DUV immediately by SHG [sixteen]. Just lately, the NSBBF crystal has also shown its potential to acquire a high conversion efficiency from 532 nm to 266 nm. The walk-off angle and deff in the NSBBF are Pretty much much like These of CLBO [seventeen].
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The heart beat duration of the second Stokes mild was shortened to 5 ns as proven in Determine 7a, just one-shot photograph from the oscilloscope, and that is a standard phenomenon in Raman laser [44] whilst the heart beat period on the pump laser was ten ns.
In addition, combining the good-condition laser with other nonlinear course of action including stimulated Raman scattering, NIR lasers might be achieved at new wavelengths with significant electrical power and higher beam high-quality, which was tested through the proof-of-theory experiment. This Raman laser scheme supplies a different path to the large-power DUV laser, Specifically within the wavelength of 193 nm.
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The conversion effectiveness from fundamental NIR to DUV is from 5% to 36% according to the documented leads to Table 1. Growing the conversion performance will lessen the burden on the design and set up of the elemental laser amplifier read more in addition to the electric powered electricity use. An excellent beam high-quality of the fundamental laser may even add into the growing of your conversion performance and also the right ability depth of the NIR and eco-friendly laser in the SHG and FHG process, respectively. The highest conversion efficiencies from NIR to green and environmentally friendly to DUV laser by utilization of CLBO crystal are 70% and all over fifty%, respectively [12], which corresponds to your conversion performance of 35% from essential to DUV.
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