CLBO Crystal Secrets
CLBO Crystal Secrets
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Having said that, so as to method the crystal is very Innovative manufacturing approaches are needed. Considering that the dawn of the crystal, engaged on this obstacle, we are now the sole firm on the globe which might be processed in this crystal.
In comparison with BBO it characteristics more substantial spectral and temperature acceptance, greater angle tolerance, as well as a lesser wander-off angle. from 3289 $ shipping
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As an example, The existing concave OC could be replaced by a aircraft mirror which could mitigate the facility density within the area of M1 and the diamond. Furthermore, applying higher hurt threshold coatings for M1 and diamond would also Increase the output power without any damages. Then, the NIR laser in the 2nd Stokes wavelength may be significant more than enough, in addition to its excellent beam excellent, to create the final DUV laser at 193 nm using a large common electrical power.
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Both the 1040 nm and 1078 nm laser originate from a single dual-wavelength Yb-doped fiber laser. Each individual laser is amplified by phases of fiber amplifier and Yb-doped resources amplifier, respectively.
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During the scientific and industrial purposes, the beam excellent in the DUV laser is additionally a crucial parameter. Specifically, the beam top quality from the DUV laser dramatically has an effect on the laser machining effects. The beam excellent in the DUV laser is decided by that of the basic laser and also the crystal for that frequency conversion. Just lately, a high-electric power DUV laser (>10 W) at 258 nm was claimed that has a beam high quality of M2 < one.five, which was generated by FHG of a Yb:YAG laser at 1030 nm utilizing the CLBO crystal [13]. This laser would cause a better laser machining final result when compared with the previous DUV lasers with greater M2.
The heart beat length of the 2nd Stokes mild was shortened to five ns as revealed in Figure 7a, one-shot picture with the oscilloscope, which can be a standard phenomenon in Raman laser [44] when the pulse length on the pump laser was ten ns.
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 ultra-precision machining, is needed. Because the CLBO crystal has easy hydroscopic response and micro scratches in machining, ultra-specific machining with the CLBO crystal can be a tough technological issue.
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The conversion effectiveness from fundamental NIR to DUV is from five% to 36% according to the described leads to Desk one. Rising the conversion efficiency will decrease the stress on the design and setup of the elemental laser amplifier in addition to the electric powered electrical power intake. A great beam top quality of the elemental laser will also lead for the rising with the conversion performance in addition to the suitable electric power depth of your NIR and environmentally friendly laser within the SHG and FHG method, respectively. The very best conversion efficiencies from NIR to eco-friendly and eco-friendly to DUV laser by use of CLBO crystal are 70% and close to 50%, respectively [twelve], which corresponds into the conversion performance of 35% from elementary to DUV.
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