Coherent imaging that utilizes orthogonal transverse mode...

Details Coherent imaging that utilizes orthogonal transverse mode... Coherent imaging that utilizes orthogonal transverse mode...

2006-09-26

2006-09-26

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S559400

Reexamination Certificate

active

07112775

ABSTRACT:
A technique for imaging an object with a coherent beam of electromagnetic radiation involves sequencing at least a portion of the coherent beam through a set of orthogonal transverse spatial modes and summing the output signals that result from set of orthogonal transverse spatial modes. To create an image of an object, the coherent beam is applied to multiple spots on the object and sequenced through the same set of orthogonal transverse spatial modes at each spot. The output signals generated from the sequencing are summed on a per-spot basis.

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