Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2008-07-29
2008-07-29
Doan, Jennifer (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
C385S015000, C385S031000
Reexamination Certificate
active
11636285
ABSTRACT:
A system and method for recording a reflection Bragg Grating in a photosensitive target. A photosensitive target is located between transmissive members on three sides. Beams incident on one of the transmissive members pass through the other two members before creating an interference within the photosensitive target. Either two transmissive members are used and the second member limits angular mobility of the first, or three members are used and the third member limits angular mobility of the other two. The target is coupled to the transmissive members through a transmissive liquid that has a refractive index similar to the refractive index of the target. Accordingly, angular deviations in the location of the target from the intended location or in the shape of the target only negligibly impact the interference pattern of the beams in the photosensitive target.
REFERENCES:
patent: 7095560 (2006-08-01), Toyoda et al.
Christie Parker & Hale
Doan Jennifer
HRL Laboratories LLC
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