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:
Aug. 29, 2006
Filed:
Mar. 10, 2003
Applicant:
Mikhail Nickolaos Zervas, Southampton, GB;
Inventor:
Mikhail Nickolaos Zervas, Southampton, GB;
Assignee:
SPI Lasers UK Ltd, Southampton, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Apparatus for dispersion compensating a signal () that propagates along a signal path (), which apparatus comprises a grating () and a tuning means (). The grating () is characterized by a wavelength operating range () and a group delay () that varies with wavelength (), wherein the group delay () is equal at a plurality of pairs of wavelengths (), () that are separated within the wavelength operating range (), and wherein the grating () reflects each wavelength pair () from the same region () of the grating (), and different wavelength pairs () from different regions () of the grating ().