Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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All-reliable-point out ultraviolet lasers are widely Employed in the fields of mechanical flaw detection, lithography, micromachining and medication for the benefits of compact volume, extensive lifestyle, significant performance, superior beam high quality, broad tuning and slim spectral line, and so on. Utilizing high ability in the vicinity of-infrared coherent light-weight supply as the fundamental frequency resource depending on nonlinear tuning technological innovation, creating ultraviolet coherent radiation by multistage frequency conversion is thought to be an essential strategy to produce the ultraviolet coherent light source.
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In accordance with the proof-of-principle experiment, the conversion efficiency of 23% implied the potential for reaching substantial-electric power at the 2nd Stokes wavelength of your Raman laser. When the pump laser of 1078 nm may very well be acquired at the normal electric power of fifty W, the output energy of its 2nd Stokes wavelength at 1512 nm may be much more than ten W. The look in the Raman laser cavity must be optimized in an effort to avoid the destruction in the M1 and diamond floor.
The real key trouble of ultraviolet coherent light supply mostly concentrates on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is probably the situations for frequency transformation, so The expansion, dimensions, hurt resistance, conversion performance and allowable parameter choice of nonlinear optical crystal are essential A lot more.
Conversely, the beam good quality of the larger ability DUV laser would grow to be even worse due to a lot more really serious thermal and nonlinear outcomes. As a result, the frequency conversion processes must be thoroughly built to mitigate the aforementioned consequences. Therefore, a substantial-ability DUV laser at the FHG of 1 μm with a great beam good quality may very well be acquired and can be helpful for obtaining the shorter wavelength DUV lasers like 193 nm by SFG.
Each the 1040 nm and 1078 nm laser originate from just one dual-wavelength Yb-doped fiber laser. Every laser is amplified by levels of fiber amplifier and Yb-doped elements amplifier, respectively.
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Also, combining the sound-condition laser with other nonlinear procedure such as stimulated Raman scattering, NIR lasers can be achieved at new wavelengths with substantial electrical power and higher beam top quality, which was tested through the proof-of-basic principle experiment. This Raman laser plan supplies a whole new route to the substantial-power DUV laser, especially on the wavelength of 193 nm.
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