New Step by Step Map For CLBO Crystal
New Step by Step Map For CLBO Crystal
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Having said that, so that you can course of action the crystal is rather Innovative production techniques are expected. For the reason that dawn of this crystal, engaged on this problem, we are now the one organization on the globe which can be processed in this crystal.
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The average power on the NIR laser nonetheless has the opportunity to become enhanced to tens of watts including 70 W [26] In case the double-move configuration may be used with the Yb:YAG SCF amplifier phase. Hence, In case the conversion effectiveness of 31% from NIR to DUV may very well be however preserved at this better electric power ailment, the average output power from the DUV laser at 258 nm might be over 20 W, which would be considered a exceptional energy amount for that DUV laser and cause the unanticipated DUV laser machining benefits. Additionally, for high-ability DUV laser, the UV destruction with the nonlinear crystal, such as the windows for CLBO crystal and also the mirrors, is another significant parameter for long run and steady operation.
However, the beam high quality of this higher ability DUV laser would come to be even worse resulting from additional critical thermal and nonlinear outcomes. Consequently, the frequency conversion processes should be carefully meant to mitigate the aforementioned outcomes. As a result, a high-electrical power DUV laser on the FHG of 1 μm with a very good beam excellent may be acquired and may be useful for obtaining the shorter wavelength DUV lasers which include 193 nm by SFG.
Both equally the 1040 nm and 1078 nm laser come from a person dual-wavelength Yb-doped fiber laser. Every laser is amplified by levels of fiber amplifier and Yb-doped components amplifier, respectively.
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In the scientific and industrial purposes, the beam high quality in the DUV laser is additionally a crucial parameter. Specifically, the beam top quality in the DUV laser drastically impacts the laser machining outcomes. The beam high quality from the DUV laser is decided by that of the basic laser along with the crystal for your frequency conversion. Lately, a high-power DUV laser (>ten W) at 258 nm was documented having a beam quality of M2 < one.5, which was created by FHG of the Yb:YAG laser at 1030 nm using the CLBO crystal [thirteen]. This laser would cause a greater laser machining result as compared to the preceding DUV lasers with greater M2.
The pulse length of the 2nd Stokes mild was shortened to five ns as revealed in Figure 7a, only one-shot image with the oscilloscope, that is a typical phenomenon in Raman laser [forty four] while click here the heartbeat length of your pump laser was 10 ns.
Additionally, combining the solid-state laser with other nonlinear approach which include stimulated Raman scattering, NIR lasers might be attained at new wavelengths with substantial electric power and high beam high quality, which was examined with the evidence-of-basic principle experiment. This Raman laser plan presents a new route to the higher-electrical power DUV laser, Specially for the wavelength of 193 nm.
Tunable ultraviolet laser resource according to good-state dye laser know-how and CsLiB6O10 harmonic generation
Its UV absorption edge reaches one hundred eighty nm. The effective nonlinear optical coefficient of CLBO for frequency doubling at 1064nm is about twice as massive as that of KDP. CLBO crystals can be developed in the stoichiometric melt with decrease viscosity.
The development on the 193-nm laser was demonstrated by levels of SFG. To be able to scale the DUV laser electrical power efficiently, a whole new concept from the 193-nm DUV laser generation is introduced according to the diamond Raman laser.