CLBO Crystal Things To Know Before You Buy
CLBO Crystal Things To Know Before You Buy
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All-good-state ultraviolet lasers have been widely Utilized in the fields of mechanical flaw detection, lithography, micromachining and medication for the benefits of little volume, extended lifestyle, high efficiency, good beam top quality, extensive tuning and slim spectral line, and so forth. Using higher electrical power near-infrared coherent gentle source as the elemental frequency supply according to nonlinear tuning technologies, making ultraviolet coherent radiation by multistage frequency conversion is viewed as an essential solution to build the ultraviolet coherent light-weight resource.
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According to the proof-of-principle experiment, the conversion effectiveness of 23% implied the possibility of attaining significant-ability at the 2nd Stokes wavelength of your Raman laser. If the pump laser of 1078 nm can be attained at the standard ability of fifty W, the output electricity of its 2nd Stokes wavelength at 1512 nm can be more than ten W. The design from the Raman laser cavity ought to be optimized to be able to steer clear of the hurt from the M1 and diamond area.
The true secret dilemma of ultraviolet coherent mild resource mainly focuses on the event of nonlinear optical frequency conversion crystal in ultraviolet band. The nonlinear optical crystal is among the circumstances for frequency transformation, so the growth, size, damage resistance, conversion effectiveness and allowable parameter array of nonlinear optical crystal are expected more and more.
Conversely, the beam top quality of the higher electricity DUV laser would become even worse resulting from a lot more really serious thermal and nonlinear effects. Consequently, the frequency conversion processes must be carefully created to mitigate the aforementioned results. As a result, a significant-ability DUV laser within the FHG of 1 μm with a great beam top quality may be acquired and will be beneficial for getting the shorter wavelength DUV lasers for instance 193 nm by SFG.
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The heartbeat duration of the next Stokes light was shortened to five ns as revealed in Figure 7a, only one-shot image within the oscilloscope, that's a common phenomenon in Raman laser [44] though the pulse length of the pump laser was 10 ns.
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The beam profile proven in Figure 7b demonstrated a fantastic beam high-quality as on the list of merits of Raman laser, which would be advantageous to create a 193-nm DUV laser with a high quality beam.
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