Variable optical delay line with a large continuous tuning...

Details Variable optical delay line with a large continuous tuning... Variable optical delay line with a large continuous tuning...

2007-05-01

2007-05-01

Pak, Sung (Department: 2874)

Optical waveguides

Optical waveguide sensor

Including physical deformation or movement of waveguide

C398S161000

Reexamination Certificate

active

10634403

ABSTRACT:
In accordance with the invention, a variable optical delay line with a large continuous tuning range comprises an incremental variable delay line to provide delay selected from a sequence of incrementally differing delays and a continuous variable delay line to provide a continuously variable delay over a range encompassing a delay increment in the first variable delay line. In a preferred embodiment, the first variable delay line comprises an array of delay paths where each path is curved differently from the others to provide an incrementally different delay. The second variable delay line is a tunable delay path continuously tunable over the delay increment of the first.

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