CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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In accordance with the evidence-of-principle experiment, the conversion efficiency of 23% implied the potential for acquiring higher-electrical power at the next Stokes wavelength with the Raman laser. Should the pump laser of 1078 nm could be obtained at the average energy of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm might be greater than 10 W. The look with the Raman laser cavity really should be optimized so as to avoid the destruction with the M1 and diamond surface area.
The key problem of ultraviolet coherent light-weight supply predominantly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is without doubt one of the disorders for frequency transformation, so the growth, size, destruction resistance, conversion effectiveness and allowable parameter selection of nonlinear optical crystal are demanded Progressively more.
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On another side, the facility scaling on the NIR laser is another facet to increase the regular energy with the 193-nm DUV laser. As a result of not enough the higher-electricity amplification Answer of your NIR laser (by way of example at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) may very well be applied to make a wavelength converter by shifting the wavelength from 1 μm to the specified wavelength as well as acquiring relative better energy [21]. Not long ago, a diamond Raman laser confirmed its means in reaching a substantial electrical power and a higher conversion effectiveness with the 1st Stokes with the one-μm laser [22,23], which suggests the likelihood to get utilized from the 193-nm DUV laser era as a consequence of its significant Raman get and huge frequency change.
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Inside the scientific and industrial apps, the beam high-quality in the DUV laser is also a significant parameter. Particularly, the beam top quality from the DUV laser drastically has an effect on the laser machining benefits. The beam high quality of the DUV laser is determined by that of the fundamental laser and the crystal for that frequency conversion. Lately, a superior-electrical power DUV laser (>ten W) at 258 nm was documented that has a beam excellent of M2 < one.five, which was produced by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [13]. This laser would lead to a better laser machining final result in comparison with the previous DUV lasers with more substantial M2.
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In addition, combining the good-state laser with other nonlinear method for instance stimulated Raman scattering, NIR lasers might be reached at new wavelengths with superior power and higher beam high quality, which was tested through the proof-of-principle experiment. This Raman laser scheme offers get more info a fresh route to the higher-energy DUV laser, Specifically in the wavelength of 193 nm.
Tunable ultraviolet laser source according to sound-condition dye laser technological innovation and CsLiB6O10 harmonic era
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