LOW COST EXTENDED DEPTH OF FIELD OPTICAL PROBES
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Nov 26, 2013
filing date -
Dec 4, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An extended depth of field optical probe includes a lens; and a spacer positioned adjacent the lens, the spacer and lens are configured to produce a plurality of waists at a plurality of working distances by varying at least one of an index of refraction of adjacent optical components of the spacer and a physical geometry of a surface of the probe, and the working distance of a first waist is greater than 0.
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