The Ultimate Guide To CLBO Crystal
The Ultimate Guide To CLBO Crystal
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We summarized the current enhancement standing with the substantial-electrical power DUV laser each for the wavelength of FHG in the one-μm laser and at 193 nm. The latest enhancement in the good-state/fiber laser, as well as the nonlinear optical crystals, prompts not merely the average electricity but will also the beam high quality (coherence) on the DUV lasers to an unparalleled amount.
The average electrical power with the NIR laser however has the likely for being enhanced to tens of watts for instance 70 W [26] if the double-move configuration might be used for your Yb:YAG SCF amplifier phase. For this reason, In case the conversion efficiency of 31% from NIR to DUV may be still preserved at this higher electricity ailment, the typical output electric power of the DUV laser at 258 nm could possibly be much more than 20 W, which would become a extraordinary power level for your DUV laser and bring about the unanticipated DUV laser machining effects. What's more, for top-ability DUV laser, the UV harm with the nonlinear crystal, such as the windows for CLBO crystal as well as the mirrors, is an additional crucial parameter for long lasting and secure operation.
Then again, the beam quality of this bigger more info electrical power DUV laser would grow to be even worse as a result of extra severe thermal and nonlinear outcomes. As a result, the frequency conversion processes needs to be thoroughly designed to mitigate the aforementioned effects. Therefore, a large-electrical power DUV laser for the FHG of one μm with a fantastic beam high-quality could be obtained and may be effective for getting the shorter wavelength DUV lasers for instance 193 nm by SFG.
Both equally the 1040 nm and 1078 nm laser come from a single dual-wavelength Yb-doped fiber laser. Every single laser is amplified by phases of fiber amplifier and Yb-doped components amplifier, respectively.
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In the scientific and industrial applications, the beam high quality from the DUV laser can also be a crucial parameter. Especially, the beam quality of your DUV laser radically influences the laser machining outcomes. The beam quality with the DUV laser is determined by that of the elemental laser along with the crystal for the frequency conversion. Not long ago, a large-electricity DUV laser (>10 W) at 258 nm was described having a beam excellent of M2 < one.5, which was produced by FHG of the Yb:YAG laser at 1030 nm utilizing the CLBO crystal [thirteen]. This laser would bring about a far better laser machining final result when compared with the former DUV lasers with bigger M2.
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Cesium Lithium Borate (CsLiB6O10 or CLBO) is the simplest non-linear crystal which generates ultraviolet harmonics of your Nd:YAG essential laser wavelength. So that you can enrich the problems threshold, lower CLBO surface area roughness, by extremely-precision machining, is required. Since the CLBO crystal has simple hydroscopic response and micro scratches in machining, ultra-specific machining with the CLBO crystal is usually a complicated specialized issue.
Tunable ultraviolet laser resource dependant on solid-point out dye laser technology and CsLiB6O10 harmonic technology
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