Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2004-05-26
2010-06-22
Wilczewski, Mary (Department: 2822)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
C250S216000, C257S021000, C257S431000, C257S432000, C257S441000, C257S442000
Reexamination Certificate
active
07741594
ABSTRACT:
The invention relates to a detector comprising a multiple quantum well structure operating on interband or intersubband transitions by absorption of radiation having a wavelength λ having a polarization comprising a component perpendicular to the plane of the multiple quantum well structure, and comprising optical coupling means for coupling said radiation, wherein the coupling means comprise a set of first diffractive lamellar features that are distributed along at least a first direction and a set of second diffractive lamellar features that are distributed along at least a second direction, said first and second directions being mutually perpendicular and lying in a plane parallel to the plane of the multiple quantum well structure.
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Bois Philippe
Costard Eric
De Rossi Alfredo
Nedelcu Alexandru
Green Telly D
Lowe Hauptman & Ham & Berner, LLP
Thales
Wilczewski Mary
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