Emitting and focusing apparatus, methods, and systems

Details Emitting and focusing apparatus, methods, and systems Emitting and focusing apparatus, methods, and systems

2011-01-18

2011-01-18

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Lens

Annular zonal correcting

C359S721000

Reexamination Certificate

active

07872812

ABSTRACT:
Apparatus, methods, and systems provide emitting, field-adjusting, and focusing of electromagnetic energy. In some approaches the field-adjusting includes providing an extended depth of field greater than a nominal depth of field. In some approaches the field-adjusting includes field-adjusting with a transformation medium, where the transformation medium may include an artificially-structured material such as a metamaterial.

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