We have presented a design of silicon cantilever based scanning near-field optical microscopy (SNOM) probes with aluminum coated quartz tips which have been batch fabricated using micromachining technology. The 12 /spl mu/m high probe tips are made of SiO/sub 2/ and fabricated at the end of silicon cantilevers. A hole in the cantilever, located underneath the tip base, permits light insertion and collection through the cantilever. Transmission electron microscopy reveals a 60 nm thick polycrystalline aluminum layer that covers the tip entirely. Still, far-field measurements show the typical polarization properties of conventional SNOM aperture probes. In order to study the mechanism of light transmission through such a tip, theoretical modelling and several experiments were performed.
Polarization properties of fully metal coated scanning near-field optical microscopy probes
2003-01-01
143200 byte
Conference paper
Electronic Resource
English
Polarization Properties of Fully Metal Coated Scanning Near-Field Optical Microscopy Probes
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