The smart Trick of CLBO Crystal That No One is Discussing
The smart Trick of CLBO Crystal That No One is Discussing
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All-stable-condition ultraviolet lasers are actually extensively Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for some great benefits of small volume, extended everyday living, large effectiveness, fantastic beam high-quality, wide tuning and narrow spectral line, and so on. Employing high electrical power in close proximity to-infrared coherent mild supply as the basic frequency supply depending on nonlinear tuning know-how, making ultraviolet coherent radiation by multistage frequency conversion is considered a crucial approach to build the ultraviolet coherent light resource.
As compared to BBO it features greater spectral and temperature acceptance, improved angle tolerance, as well as a more compact walk-off angle. from 3289 $ delivery
Based on the proof-of-principle experiment, the conversion performance of 23% implied the potential of reaching superior-power at the 2nd Stokes wavelength on the Raman laser. If the pump laser of 1078 nm might be acquired at the typical ability of 50 W, the output energy of its 2nd Stokes wavelength at 1512 nm may be much more than 10 W. The look of the Raman laser cavity ought to be optimized as a way to avoid the hurt of your M1 and diamond area.
For example, The present concave OC could get replaced by a plane mirror which could mitigate the ability density around the area of M1 and also the diamond. Furthermore, utilizing higher problems threshold coatings for M1 and diamond would also improve the output electricity without any damages. Then, the NIR laser in the 2nd Stokes wavelength may very well be large adequate, and its excellent beam quality, to make the ultimate DUV laser at 193 nm which has a high common electrical power.
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LBO can be a great nonlinear crystal which is usually placed on the SHG from your NIR to your eco-friendly. The DUV laser is usually realized by two phases of SFG within the LBO crystals since there isn't a stage-matching angle for LBO to convert the eco-friendly laser at 515 nm or 532 nm to the DUV specifically by SHG [sixteen]. Recently, the NSBBF crystal has also shown its prospective to get a substantial conversion effectiveness from 532 nm to 266 nm. The wander-off angle and deff with the NSBBF are almost similar to those of CLBO [seventeen].
On the other side, the facility scaling of your NIR laser is yet another part to improve the normal power of your 193-nm DUV laser. Mainly because of the not enough the substantial-electrical power amplification Resolution from the NIR laser (for example at 1553 nm), nonlinear frequency processes like optical parameter oscillation (OPO) might be placed on develop a wavelength converter by shifting the wavelength from one μm to the specified wavelength and also obtaining relative better electrical power [21]. Lately, a diamond Raman laser confirmed its capability in attaining a high electric power along with a significant conversion efficiency in the 1st Stokes on the 1-μm laser [22,23], which suggests the likelihood to more info generally be applied within the 193-nm DUV laser era on account of its superior Raman attain and large frequency shift.
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Tunable ultraviolet laser resource determined by reliable-state dye laser technological innovation and CsLiB6O10 harmonic era
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