Optical phase shift device and antenna system utilizing same

Details Optical phase shift device and antenna system utilizing same Optical phase shift device and antenna system utilizing same

2006-02-21

2009-08-25

Hughes, James P (Department: 2883)

Optical waveguides

Temporal optical modulation within an optical waveguide

C385S002000

Reexamination Certificate

active

07580592

ABSTRACT:
A phase shift device of an optical fiber signal includes an actuator for changing the signal phase in at least one fiber portion by inducing the phase change by thermo-optical effect. An antenna system incorporating phase shift devices using the thermo-optical effect find particular utility in automotive and telecommunications fields.

REFERENCES:
patent: 4814774 (1989-03-01), Herczfeld
patent: 5963034 (1999-10-01), Mahapatra et al.
patent: 6163633 (2000-12-01), Ueda
patent: 6928199 (2005-08-01), Galstian et al.
patent: 2003/0137999 (2003-07-01), Spiegelberg et al.

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