Focusing and sensing apparatus, methods, and systems
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Accused Products
Abstract
Apparatus, methods, and systems provide focusing, focus-adjusting, and sensing. In some approaches the focus-adjusting includes providing an extended depth of focus greater than a nominal depth of focus. In some approaches the focus-adjusting includes focus-adjusting with a transformation medium, where the transformation medium may include an artificially-structured material such as a metamaterial.
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Citations
177 Claims
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1-122. -122. (canceled)
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123. A method, comprising:
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at an input surface region of an artificially-structured material, substantially-nonreflectively receiving an electromagnetic wave that converges towards a nominal focusing region, the nominal focusing region having a nominal axial dimension; and spatially dilating the electromagnetic wave along a direction corresponding to the nominal axial dimension, thereby providing an actual focusing region having an actual axial dimension greater than the nominal axial dimension. - View Dependent Claims (124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 171, 172, 173, 174, 176)
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170. (canceled)
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175. (canceled)
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177-295. -295. (canceled)
Specification