The smart Trick of CLBO Crystal That No One is Discussing
The smart Trick of CLBO Crystal That No One is Discussing
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All-sound-point out ultraviolet lasers are extensively used in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of compact volume, extensive lifestyle, higher efficiency, excellent beam top quality, broad tuning and slim spectral line, and many others. Making use of large energy near-infrared coherent gentle source as the basic frequency resource based on nonlinear tuning technologies, generating ultraviolet coherent radiation by multistage frequency conversion is viewed as a very important technique to build the ultraviolet coherent light-weight supply.
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As an example, the current concave OC could get replaced by a aircraft mirror which could mitigate the facility density about the floor of M1 and also the diamond. Furthermore, working with significant hurt threshold coatings for M1 and diamond would also improve the output ability with no damages. Then, the NIR laser on the 2nd Stokes wavelength might be significant more than enough, together with its great beam high-quality, to produce the final DUV laser at 193 nm that has a high common electric power.
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On another facet, the facility scaling of the NIR laser is another element to raise the normal energy of the 193-nm DUV laser. Due to insufficient the superior-electric power amplification Option on the NIR laser (for instance at 1553 nm), nonlinear frequency processes such read more as optical parameter oscillation (OPO) may very well be placed on create a wavelength converter by shifting the wavelength from one μm to the desired wavelength and also getting relative better electric power [21]. Just lately, a diamond Raman laser showed its capacity in attaining a large electrical power as well as a substantial conversion effectiveness for the 1st Stokes in the one-μm laser [22,23], which suggests the likelihood to generally be utilized during the 193-nm DUV laser generation as a result of its substantial Raman get and huge frequency shift.
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The beam profile demonstrated in Determine 7b shown a very good beam high quality as one of several deserves of Raman laser, which might be valuable to crank out a 193-nm DUV laser with a top quality beam.
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This cookie is accustomed to report the enter contents and also the progress on the enter sort. It doesn't store any individual knowledge.