Examine This Report on CLBO Crystal
Examine This Report on CLBO Crystal
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All-strong-state ultraviolet lasers have already been extensively used in the fields of mechanical flaw detection, lithography, micromachining and medicine for the advantages of small quantity, very long lifetime, significant performance, excellent beam excellent, broad tuning and slim spectral line, and so forth. Making use of large electricity around-infrared coherent light resource as the elemental frequency source depending on nonlinear tuning technology, building ultraviolet coherent radiation by multistage frequency conversion is viewed as a crucial solution to build the ultraviolet coherent mild resource.
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The typical energy of the NIR laser continue to has the probable for being improved to tens of watts for instance 70 W [26] If your double-pass configuration can be used for the Yb:YAG SCF amplifier phase. Therefore, Should the conversion efficiency of 31% from NIR to DUV may very well be nevertheless managed at this larger ability problem, the standard output electrical power of your DUV laser at 258 nm might be in excess of twenty W, which might be considered a exceptional electric power amount with the DUV laser and lead to the unanticipated DUV laser machining results. Furthermore, for prime-power DUV laser, the UV damage of the nonlinear crystal, such as the Home windows for CLBO crystal plus the mirrors, is yet another significant parameter for long-term and secure Procedure.
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Both the 1040 nm and 1078 nm laser originate from one dual-wavelength Yb-doped fiber laser. Each laser is amplified by stages of fiber amplifier and Yb-doped materials amplifier, respectively.
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Inside the scientific and industrial programs, the beam top quality with the DUV laser is likewise a very important parameter. Significantly, the beam excellent on the DUV laser drastically impacts the laser machining outcomes. The beam high-quality with the DUV laser is determined by that of the elemental laser plus the crystal for your frequency conversion. Recently, a significant-electrical power DUV laser (>ten W) at 258 nm was noted that has a beam quality of M2 < 1.five, which was created by FHG of a Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would lead to an improved laser machining result when compared to the past DUV lasers with greater M2.
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Additionally, combining the strong-condition laser with other nonlinear system including stimulated Raman scattering, NIR lasers can be accomplished at new wavelengths with significant power and large beam excellent, which was analyzed by the proof-of-basic principle experiment. This Raman laser scheme read more offers a brand new path to the high-electricity DUV laser, Specifically with the wavelength of 193 nm.
Tunable ultraviolet laser supply based on sound-point out dye laser technological innovation and CsLiB6O10 harmonic technology
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The event in the 193-nm laser was shown by stages of SFG. In an effort to scale the DUV laser energy proficiently, a fresh strategy from the 193-nm DUV laser era is offered based on the diamond Raman laser.