Rumored Buzz on CLBO Crystal
Rumored Buzz on CLBO Crystal
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Nonetheless, as a way to approach the crystal is incredibly Sophisticated producing techniques are expected. Because the dawn of the crystal, working on this problem, we at the moment are the only real firm on the globe that may be processed With this crystal.
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The real key problem of ultraviolet coherent mild source mostly focuses on the development of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the problems for frequency transformation, so the growth, measurement, injury resistance, conversion efficiency and allowable parameter selection of nonlinear optical crystal are necessary A lot more.
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Both of those the 1040 nm and 1078 nm laser come from one dual-wavelength Yb-doped fiber laser. Each laser is amplified by phases of fiber amplifier and Yb-doped materials amplifier, respectively.
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During the scientific and industrial applications, the beam high quality on the DUV laser can be a vital parameter. Notably, the beam top quality from the DUV laser dramatically has an effect on the laser machining benefits. The beam top quality of the DUV laser is set by that of the elemental laser along with the crystal for the frequency conversion. A short while ago, a large-energy DUV laser (>ten W) at 258 nm was noted that has a beam good quality of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would bring about a far better laser machining result when compared to the previous DUV lasers with larger M2.
The pulse period of the second Stokes light-weight was shortened to 5 ns as demonstrated in Figure 7a, one-shot picture with the oscilloscope, which can be a standard phenomenon in Raman laser [forty four] although the heart beat duration on the pump laser was ten ns.
In addition, combining the stable-state laser with other nonlinear approach such as stimulated Raman scattering, NIR lasers may be achieved at new wavelengths with large electric power and high read more beam top quality, which was examined with the evidence-of-basic principle experiment. This Raman laser plan delivers a different path to the significant-electric power DUV laser, Primarily in the wavelength of 193 nm.
The beam profile shown in Figure 7b demonstrated a superb beam high-quality as among the merits of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
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