5 Essential Elements For CLBO Crystal

5 Essential Elements For CLBO Crystal

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All-strong-state ultraviolet lasers have been extensively used in the fields of mechanical flaw detection, lithography, micromachining and drugs for some great benefits of little volume, long life, high effectiveness, excellent beam good quality, extensive tuning and slim spectral line, and many others. Making use of significant electric power in close proximity to-infrared coherent mild resource as the fundamental frequency resource determined by nonlinear tuning engineering, generating ultraviolet coherent radiation by multistage frequency conversion is thought to be an important technique to establish the ultraviolet coherent light resource.

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For instance, The existing concave OC could be replaced by a plane mirror which could mitigate the facility density about the area of M1 plus the diamond. Additionally, making use of high problems threshold coatings for M1 and diamond would also improve the output ability with no damages. Then, the NIR laser at the 2nd Stokes wavelength may be higher plenty of, in addition to its good beam high-quality, to create the ultimate DUV laser at 193 nm with a substantial normal power.

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Both the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Every laser is amplified by stages of fiber amplifier and Yb-doped materials amplifier, respectively.

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While in the scientific and industrial apps, the beam good quality on the DUV laser can be a significant parameter. Specially, the beam good quality with the DUV laser considerably impacts the laser machining outcomes. The beam quality with 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-power DUV laser (>10 W) at 258 nm was claimed which 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 [13]. This laser would bring about a far better laser machining outcome as compared to the prior DUV lasers with more substantial M2.

The pulse length of the second Stokes light-weight was shortened to 5 ns as revealed in Figure 7a, only one-shot image in the oscilloscope, that is a standard phenomenon in Raman laser [44] though the heart beat duration with the pump laser was 10 ns.

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