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dc.contributor.authorFang, Jen-Yuen_US
dc.contributor.authorTien, Chung-Haoen_US
dc.contributor.authorShieh, Han-Ping D.en_US
dc.date.accessioned2014-12-08T15:13:14Z-
dc.date.available2014-12-08T15:13:14Z-
dc.date.issued2007-10-29en_US
dc.identifier.issn1094-4087en_US
dc.identifier.urihttp://dx.doi.org/10.1364/OE.15.014619en_US
dc.identifier.urihttp://hdl.handle.net/11536/10218-
dc.description.abstractWe present a novel fiber-based near-field optical head consisting of a straw-shaped writing probe and a flat gap sensing probe. The straw-shaped probe with a C-aperture on the end face exhibits enhanced transmission by a factor of 3 orders of magnitude over a conventional fiber probe due to a hybrid effect that excites both propagation modes and surface plasmon waves. In the gap sensing probe, the spacing between the probe and the disk surface functions as an external cavity. The high sensitivity of the output power to the change in the gap width is used as a feedback control signal. We characterize and design the straw-shaped writing probe and the flat gap sensing probe. The dual-probe system is installed on a conventional biaxial actuator to demonstrate the capability of flying over a disk surface with nanometer position precision. (C) 2007 Optical Society of America.en_US
dc.language.isoen_USen_US
dc.titleDual-probe near-field fiber head with gap servo control for data storage applicationsen_US
dc.typeArticleen_US
dc.identifier.doi10.1364/OE.15.014619en_US
dc.identifier.journalOPTICS EXPRESSen_US
dc.citation.volume15en_US
dc.citation.issue22en_US
dc.citation.spage14619en_US
dc.citation.epage14628en_US
dc.contributor.department光電工程學系zh_TW
dc.contributor.departmentDepartment of Photonicsen_US
dc.identifier.wosnumberWOS:000251223400038-
dc.citation.woscount1-
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