OPTICAL FIBER DELAY LINE WITH TAP - UNIV LELAND STANFORD JUNIOR

Title:

OPTICAL FIBER DELAY LINE WITH TAP

Document Type and Number:

Japanese Patent JPS5893004

Kind Code:

A

Abstract:

A fiber optic tapped delay line is disclosed in which a number of bends in a single optical fiber are formed to obtain taps of an optical signal traveling in that fiber at each bend location. Light removed at the bends is directed to a focusing lens, which focuses the light onto a photodetector acting as a summing device to produce a frequency-filtered output of the light signal traveling in the fiber. The device's response as a transversal filter is enhanced by weighting the taps either by use of a cylindrical lens, or by selectively masking a portion of light emitted by selected individual taps.

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Inventors:

SUTEIIBUN EI NIYUUTON
KASHIASU CHIEIPIN KATORAA

Application Number:

JP20181182A

Publication Date:

June 02, 1983

Filing Date:

November 16, 1982

Export Citation:

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Assignee:

UNIV LELAND STANFORD JUNIOR

International Classes:

G02B5/20; G02B6/02; G02B6/00; G02B6/24; G02B6/28; G02B6/42; H03H15/00; (IPC1-7): G02B5/14; G02B27/10

Attorney, Agent or Firm:

Kuro Fukami

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