Optical waveguides – With optical coupler – Input/output coupler
Reexamination Certificate
2007-09-17
2009-08-25
Le, Uyen Chau N (Department: 2874)
Optical waveguides
With optical coupler
Input/output coupler
C385S129000, C369S112270
Reexamination Certificate
active
07580602
ABSTRACT:
An apparatus includes a planar waveguide, first and second gratings for coupling electromagnetic radiation into the planar waveguide, and a beam shaper for controlling the amplitude distribution of the electromagnetic radiation that impinges on the first and second gratings. A method of coupling electromagnetic radiation into a planar waveguide is also provided.
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Challener William Albert
Itagi Amit Vasant
Bedtelyon John M
Le Uyen Chau N
Lenart, Esq. Robert P.
Pietragallo Gordon Alfano Bosick & Raspanti, LLP
Seagate Technology LLC
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