The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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All-solid-point out ultraviolet lasers are actually widely Employed in the fields of mechanical flaw detection, lithography, micromachining and drugs for the benefits of modest volume, extended existence, superior efficiency, superior beam quality, wide tuning and slim spectral line, and so forth. Utilizing superior electric power around-infrared coherent light source as the fundamental frequency supply depending on nonlinear tuning engineering, generating ultraviolet coherent radiation by multistage frequency conversion is viewed as an essential solution to build the ultraviolet coherent gentle supply.
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The standard ability with the NIR laser even now has the opportunity being improved to tens of watts like 70 W [26] Should the double-move configuration might be used for the Yb:YAG SCF amplifier stage. Therefore, if the conversion effectiveness of 31% from NIR to DUV could be even now managed at this larger energy affliction, the average output electricity from the DUV laser at 258 nm may very well be greater than 20 W, which might certainly be a remarkable electrical power stage for that DUV laser and produce the unanticipated DUV laser machining results. Furthermore, for high-electricity DUV laser, the UV hurt with the nonlinear crystal, such as the windows for CLBO crystal as well as the mirrors, is another essential parameter for long lasting and steady operation.
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Each the 1040 nm and 1078 nm laser originate from a person twin-wavelength Yb-doped fiber laser. Every single laser is amplified by stages of fiber amplifier and Yb-doped materials amplifier, respectively.
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Its UV absorption edge reaches one hundred eighty nm. The efficient nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about 2 times as substantial as that of KDP. CLBO crystals might be grown click here within the stoichiometric melt with lower viscosity.
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