System and method for optical time domain reflectometry...

Details System and method for optical time domain reflectometry... System and method for optical time domain reflectometry...

2011-01-18

2011-01-18

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

07872737

ABSTRACT:
A system and method for time domain reflectometry (OTDR) using multi-resolution code sequences. One or more subsets of a set of predefined complementary code sequences may be transmitted as an OTDR signal to provide multi-resolution capability.

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Nazarathy, “Real-Time Long Range Complementary Correlation Optical Time Domain Reflectometer,” Journal of Lightwave Technology. vol. 7, No. 1, Jan. 1989, pp. 24-38.
International Search Report and Written Opinion dated Oct. 22, 2008 issued in related International Patent Application No. PCT/US2008/071394.

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