Etching a substrate: processes – Forming or treating optical article
Patent
1998-06-09
1999-07-27
Breneman, Bruce
Etching a substrate: processes
Forming or treating optical article
216 11, 216 97, C03C 2506
Patent
active
059285257
ABSTRACT:
An optical fiber made up of a core for propagating the light and a clad covering the core for confining the light propagated in the core. The optical fiber has a tapering protrusion at the apex for entrance and exiting of light. The optical fiber is used in a photon scanning tunneling microscope detecting the evanescent light localized in an area smaller in size than the wavelength of light on the surface of an sample as an optical probe disposed in proximity to the surface of the sample for scattering the evanescent light for detecting the scattered light. The optical fiber is optically coupled to an optical waveguide for constituting an optically coupled element. With this optically coupled element, a protrusion of the optical fiber operates as a collection unit for collecting the light propagated in the core. The light collected by the protrusion enters the optical waveguide.
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Pangaribuan, T. et al "Reproducible Fabrication Technique of Nanometric Tip Diameter Fiber Probe for Photon Scanning Tunneling Microscope" Jpn. J. Appl. Phys. vol. 31, Part 2, No. 9A, pp. L1302-L1304, Sep. 1992.
Mononobe Shuji
Ohtsu Motoichi
Rajagopalan Uma Maheswari
Alanko Anita
Breneman Bruce
Kanagawa Academy of Science and Technology
Maioli Jay H.
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