Optical projector with beam monitor including sensing intensity of beam pattern not projected toward an object
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 18, 2014
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N/A
app pub date -
Jul 8, 2013
filing date -
Jul 8, 2013
priority date (Note) -
Withdrawn
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Abstract
Optical apparatus includes a device package, with a radiation source contained in the package and configured to emit a beam of coherent radiation. A diffractive optical element (DOE) is mounted in the package so as to receive and diffract the radiation from the radiation source into a predefined pattern comprising multiple diffraction orders. An optical detector is positioned in the package so as to receive and sense an intensity of a selected diffraction order of the DOE.
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