Optical near-field probe with embedded gallium scattering center

Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3157909

Title:	Optical near-field probe with embedded gallium scattering center
Authors:	Isakov, D.V. Zhang, Y. Balk, L.J. Phang, J.C.H.
Issue Date:	2009
Citation:	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
URI:	http://scholarbank.nus.edu.sg/handle/10635/56928
ISSN:	00036951
DOI:	10.1063/1.3157909
Appears in Collections:	Staff Publications

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