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|Title:||Optical near-field probe with embedded gallium scattering center|
|Source:||Isakov, D.V., Zhang, Y., Balk, L.J., Phang, J.C.H. (2009). Optical near-field probe with embedded gallium scattering center. Applied Physics Letters 94 (25) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3157909|
|Abstract:||An optical near-field probe is proposed in which gallium is embedded into the tip of a tapered optical glass fiber to form a scattering center. Gallium is embedded by implantation during the process of probe sharpening by a raster-scanned focused ion beam. Using quasielectrostatic approximation, it is predicted that the presence of gallium should improve the scattering efficiency by an order of magnitude in comparison with a probe without gallium implantation. Imaging of a polished waveguide with different probes shows that Ga implantation can improve the efficiency by 37 times. © 2009 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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