The 2-Minute Rule for CLBO Crystal
The 2-Minute Rule for CLBO Crystal
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All-good-point out ultraviolet lasers have been greatly Employed in the fields of mechanical flaw detection, lithography, micromachining and medication for the benefits of little quantity, extended daily life, substantial efficiency, very good beam high-quality, large tuning and slim spectral line, etc. Employing significant electrical power around-infrared coherent light supply as the fundamental frequency source based on nonlinear tuning technology, making ultraviolet coherent radiation by multistage frequency conversion is viewed as an essential approach to develop the ultraviolet coherent mild resource.
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The real key trouble of ultraviolet coherent light supply mainly concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is without doubt one of the conditions for frequency transformation, so The expansion, sizing, destruction resistance, conversion performance and allowable parameter choice of nonlinear optical crystal are demanded Increasingly more.
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Both equally the 1040 nm and 1078 nm laser come from 1 twin-wavelength Yb-doped fiber laser. Each individual laser is amplified by levels of fiber amplifier and Yb-doped resources amplifier, respectively.
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The pulse period of the next Stokes light was shortened to five ns as proven in Determine 7a, an individual-shot picture with the oscilloscope, that's a standard phenomenon in Raman laser [44] though the heartbeat period of your pump laser was 10 ns.
Moreover, combining the reliable-point out laser with other nonlinear method for example stimulated Raman scattering, NIR lasers could be reached at new wavelengths with high electricity and superior beam high quality, which was examined because of the evidence-of-basic principle experiment. This Raman laser plan offers a fresh route to the significant-electric power DUV laser, especially on the wavelength of 193 nm.
The beam profile revealed in Figure 7b demonstrated a superb beam quality as more info one of many merits of Raman laser, which might be beneficial to create a 193-nm DUV laser with a high quality beam.
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