The Basic Principles Of CLBO Crystal

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Based on the evidence-of-basic principle experiment, the conversion performance of 23% implied the potential of obtaining higher-electricity at the next Stokes wavelength from the Raman laser. If the pump laser of 1078 nm could possibly be received at the standard energy of 50 W, the output electrical power of its 2nd Stokes wavelength at 1512 nm may be a lot more than ten W. The look of your Raman laser cavity need to be optimized so that you can stay away from the injury from the M1 and diamond area.

The standard energy of your NIR laser however has the probable being improved to tens of watts like 70 W [26] if the double-move configuration may be used for the Yb:YAG SCF amplifier phase. Consequently, In case the conversion efficiency of 31% from NIR to DUV can be nevertheless maintained at this better electric power issue, the typical output power in the DUV laser at 258 nm can be a lot more than twenty W, which would certainly be a amazing electric power degree for your DUV laser and produce the unanticipated DUV laser machining success. Also, for high-power DUV laser, the UV destruction in the nonlinear crystal, including the windows for CLBO crystal plus the mirrors, is an additional crucial parameter for long term and secure operation.

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Inside the scientific and industrial programs, the beam high quality of the DUV laser is also a significant parameter. Significantly, the beam quality of the DUV laser dramatically has an effect on the laser machining effects. The beam good quality from the DUV laser is decided by that of the basic laser and the crystal with the frequency conversion. Just lately, a higher-power DUV laser (>10 W) at 258 here nm was described having a beam excellent of M2 < 1.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would bring about a far better laser machining outcome when compared to the previous DUV lasers with greater M2.

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What's more, combining the reliable-state laser with other nonlinear process including stimulated Raman scattering, NIR lasers may very well be attained at new wavelengths with superior power and high beam top quality, which was examined through the proof-of-basic principle experiment. This Raman laser scheme gives a new path to the significant-electricity DUV laser, Specially for the wavelength of 193 nm.

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