Extended source transmitter for free space optical...

Details Extended source transmitter for free space optical... Extended source transmitter for free space optical...

2006-07-04

2006-07-04

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

With optical coupler

Particular coupling function

C385S033000, C398S182000, C398S200000, C398S201000

Reexamination Certificate

active

07072543

ABSTRACT:
An apparatus for transmission of free space optical communication system signals employing a spatially-extended light source and method of using the same. A laser beam source directs an optical signal into a free end of a segment of multimode fiber. As the optical signal passes through the segment of multimode fiber, the optical signal is converted into a mode-scrambled optical signal. This mode-scrambled signal may then be used as a spatially-extended light source that is directed outward as an optical beam through the use of a collimating lens.

REFERENCES:
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patent: 5054878 (1991-10-01), Gergely et al.
patent: 5077814 (1991-12-01), Shigematsu et al.
patent: 5138675 (1992-08-01), Schofield
patent: 6061133 (2000-05-01), Freischlad
patent: 6548796 (2003-04-01), Silvermintz et al.

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