CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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All-sound-point out ultraviolet lasers have been broadly used in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of little quantity, extensive everyday living, superior performance, fantastic beam excellent, large tuning and slim spectral line, and so forth. Utilizing high ability in close proximity to-infrared coherent mild resource as the elemental frequency source based on nonlinear tuning technology, making ultraviolet coherent radiation by multistage frequency conversion is thought to be a very important strategy to develop the ultraviolet coherent mild supply.
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According to the proof-of-basic principle experiment, the conversion performance of 23% implied the potential for obtaining large-electrical power at the 2nd Stokes wavelength in the Raman laser. Should the pump laser of 1078 nm may very well be attained at the standard ability of 50 W, the output power of its 2nd Stokes wavelength at 1512 nm may very well be over ten W. The design of the Raman laser cavity need to be optimized so as to avoid the hurt of the M1 and diamond surface.
The average power of your NIR laser however has the likely being enhanced to tens of watts for instance 70 W [26] In case the double-pass configuration may very well be utilized with the Yb:YAG SCF amplifier stage. As a result, In case the conversion efficiency of 31% from NIR to DUV may be nevertheless preserved at this bigger electrical power ailment, the typical output electric power of the DUV laser at 258 nm could possibly be more than 20 W, which might be described as a remarkable electricity amount for that DUV laser and cause the unanticipated DUV laser machining results. What's more, for prime-electricity DUV laser, the UV harm in the nonlinear crystal, including the Home windows for CLBO crystal as well as mirrors, is another crucial parameter for long-lasting and steady Procedure.
Then again, the beam excellent of this larger ability DUV laser would turn out to be worse on account of more significant thermal and nonlinear outcomes. As a result, the frequency conversion procedures ought to be very carefully created to mitigate the aforementioned consequences. Thus, a higher-electrical power DUV laser on the FHG of one μm with a good beam quality might be obtained and may be valuable for acquiring the shorter wavelength DUV lasers for example 193 nm by SFG.
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The beam profile revealed in Determine 7b shown a superb beam excellent as among the list of deserves of Raman laser, which here would be advantageous to generate a 193-nm DUV laser with a top quality beam.
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The event from the 193-nm laser was demonstrated by phases of SFG. So that you can scale the DUV laser electrical power proficiently, a new idea on the 193-nm DUV laser era is introduced dependant on the diamond Raman laser.