CLBO Crystal Can Be Fun For Anyone
CLBO Crystal Can Be Fun For Anyone
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According to the proof-of-theory experiment, the conversion performance of 23% implied the potential for acquiring high-energy at the second Stokes wavelength in the Raman laser. If your pump laser of 1078 nm could be obtained at the typical electricity of 50 W, the output electric power of its 2nd Stokes wavelength at 1512 nm may be greater than 10 W. The design of your Raman laser cavity need to be optimized so as to stay away from the harm of the M1 and diamond area.
For illustration, The present concave OC could get replaced by a plane mirror which could mitigate the power density around the surface of M1 as well as diamond. Also, making use of high problems threshold coatings for M1 and diamond would also improve the output electric power without any damages. Then, the NIR laser in the 2nd Stokes wavelength could possibly be large plenty of, as well as its superior beam top quality, to deliver the final DUV laser at 193 nm with a high common electrical power.
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Due to thermal lens result within the good-condition lasers, When the heating administration is insufficient, it is not uncomplicated to get the sound-state laser which has a significant electrical power and a significant beam good quality simultaneously. Not long ago, with the development of the thin disk laser and one-crystal fiber (SCF) laser, a higher-electricity laser at the elemental wavelength (one μm) were realized with a fantastic beam quality Despite having a TEM00 mode beam [4,24], which might be great candidates for the fundamental in the DUV laser era. A different applicant for the basic is the high-ability fiber laser which might be attained by coherent beam mixture with M2 worth under 1.
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Inside the scientific and industrial programs, the beam top quality in the DUV laser is additionally an essential parameter. Especially, the beam high-quality from the DUV laser considerably affects the laser machining effects. The beam good quality of your DUV laser is determined by that of the elemental laser as well as the crystal for the frequency conversion. A short while ago, a substantial-energy DUV laser (>ten W) at 258 nm was noted that has a beam top quality of M2 < one.five, which was generated by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would lead to a greater laser machining outcome as compared to the earlier DUV lasers with much larger M2.
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Additionally, combining the strong-condition laser with other nonlinear system like stimulated Raman scattering, NIR lasers may very well be achieved at new wavelengths with large electricity and superior beam high-quality, which was analyzed from the proof-of-principle experiment. This Raman laser scheme provides a brand new route to the higher-electrical power DUV laser, In particular for the wavelength of 193 nm.
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