Not known Details About CLBO Crystal
Not known Details About CLBO Crystal
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All-reliable-condition ultraviolet lasers are actually commonly used in the fields of mechanical flaw detection, lithography, micromachining and drugs for the advantages of small quantity, long existence, significant effectiveness, good beam good quality, wide tuning and slim spectral line, etc. Using substantial ability close to-infrared coherent gentle resource as the fundamental frequency source based upon nonlinear tuning engineering, making ultraviolet coherent radiation by multistage frequency conversion is regarded as a crucial technique to develop the ultraviolet coherent mild supply.
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The normal electrical power of the NIR laser nevertheless has the likely to become enhanced to tens of watts which include 70 W [26] In case the double-go configuration could possibly be used for your Yb:YAG SCF amplifier phase. As a result, When the conversion effectiveness of 31% from NIR to DUV can be nonetheless maintained at this higher electric power problem, the common output electric power from the DUV laser at 258 nm may very well be much more than twenty W, which would be considered a exceptional electric power stage for your DUV laser and bring about the unanticipated DUV laser machining success. Also, for top-electric power DUV laser, the UV problems in the nonlinear crystal, including the Home windows for CLBO crystal and also the mirrors, is yet another critical parameter for long lasting and stable operation.
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The two the 1040 nm and 1078 nm laser come from just one twin-wavelength Yb-doped fiber laser. Each and every laser is amplified by stages of fiber amplifier and Yb-doped elements amplifier, respectively.
On the other aspect, the ability scaling in the NIR laser is another factor to improve website the regular energy in the 193-nm DUV laser. A result of the lack of the large-electrical power amplification Answer with the NIR laser (for instance at 1553 nm), nonlinear frequency processes such as optical parameter oscillation (OPO) could possibly be applied to establish a wavelength converter by shifting the wavelength from one μm to the specified wavelength together with getting relative larger electrical power [21]. Not long ago, a diamond Raman laser showed its skill in accomplishing a significant ability in addition to a significant conversion performance at the 1st Stokes of the 1-μm laser [22,23], which suggests the possibility to get utilized during the 193-nm DUV laser technology as a result of its higher Raman attain and large frequency change.
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Also, combining the strong-condition laser with other nonlinear process for example stimulated Raman scattering, NIR lasers might be achieved at new wavelengths with large power and substantial beam quality, which was analyzed with the evidence-of-theory experiment. This Raman laser plan gives a brand new path to the substantial-electric power DUV laser, especially for the wavelength of 193 nm.
Tunable ultraviolet laser resource based upon reliable-point out dye laser technology and CsLiB6O10 harmonic generation
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The event from the 193-nm laser was demonstrated by stages of SFG. So that you can scale the DUV laser ability correctly, a brand new principle in the 193-nm DUV laser era is presented based upon the diamond Raman laser.