The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 01, 2007
Filed:
Aug. 05, 2003
Albin Lloyd Kasper, Clifton, NJ (US);
Jane D. Legrange, Princeton, NJ (US);
Christi Kay Madsen, South Plainfield, NJ (US);
Albin Lloyd Kasper, Clifton, NJ (US);
Jane D. LeGrange, Princeton, NJ (US);
Christi Kay Madsen, South Plainfield, NJ (US);
Lucent Technologies Inc., Murray Hill, NJ (US);
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.