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Genesis sensor of the waves with the surface of the optical coupling comprising a lamellar
Genesis sensor of the waves with the surface of the optical coupling comprising a lamellar
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机译：波的创世纪传感器，其光耦合器的表面包括一个层状结构
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摘要
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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