Near-field optical probe having cantilever and probe formed of transparent material, method for manufacturing near-field optical probe, and optical apparatus having near-field optical probe
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United States of America Patent
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-
Jul 27, 2004
Grant Date -
Aug 9, 2001
app pub date -
Dec 19, 2000
filing date -
Dec 20, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A near-field optical probe has a cantilever formed of a transparent material and having a first main surface and a second main surface opposite the first main surface. A base supports the cantilever at the first main surface. A tip extends from the second main surface of the cantilever and has a microscopic aperture at an end thereof. The tip is formed of a transparent material having a higher refractive index than that of the transparent material of the cantilever to increase an amount of near-field light generated or detected by the microscopic aperture. A shade film is formed on the second main surface of the cantilever and on a surface of the tip except for the microscopic aperture.
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