Long period fiber Bragg gratings written with alternate side...

Details Long period fiber Bragg gratings written with alternate side... Long period fiber Bragg gratings written with alternate side...

2011-05-24

2011-05-24

Hoffmann, John (Department: 1741)

Glass manufacturing

Fiber making apparatus

With measuring, controlling, sensing, timing, inspecting,...

C065S529000

Reexamination Certificate

active

07946137

ABSTRACT:
A method of optical fiber manufacture involves the writing of a grating on the fiber using a laser. A first laser beam is directed on a first locality of the fiber having a circumference. A second laser beam is then directed on a second locality circumferentially displaced from the first locality. The first laser beam may be the second laser beam. In this way, a grating is formed on the fiber. The fiber may have a core and a cladding layer. The fiber may also comprise two gratings to form an interferometer.

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Japanese Office Action mailed Oct. 7, 2008.

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