Lens array modules and wafer-level techniques for fabricating the same
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United States of America Patent
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Jan 30, 2018
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Sep 5, 2014
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Oct 1, 2013
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Abstract
A lens module includes a substrate, a first array of passive optical elements on the substrate, and a second array of passive optical elements separate from the first array. The optical elements of the first array and the optical elements of the second array form multiple optical channels, in which at least one optical channel is a catadioptric optical channel including a reflective optical element and a refractive optical element. The reflective optical element is arranged to reflect light toward the refractive optical element, each optical channel has a corresponding field-of-view, and the lens module has an overall field of view defined by the range of angles subtended by the field-of-view of the plurality of optical channels.
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