Techniques for processing a target return signal using free-space optics

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United States of America

PATENT NO 12216208
APP PUB NO 20230049443A1
SERIAL NO

17978520

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Abstract

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Free-space optics for use in a light detection and ranging (LIDAR) apparatus include a polarization beam-splitter (PBS) to direct an optical beam in a first direction toward a target environment and to propagate a portion of the optical beam in a second direction for receipt by a photodetector (PD), a polarization wave plate (PWP) to convert the optical beam from a first polarization to a second polarization, and to convert the target return signal from a third polarization to a fourth polarization, and a lens system coupled between the PBS and the PWP to magnify the optical beam. The propagated portion of the optical beam comprises a local oscillator (LO) signal to mix with a target return signal to generate target information.

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Patent Owner(s)

  • AEVA, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Avci, Oguzhan Cupertino, US 33 177
Behzadi, Behsan Sunnyvale, US 43 202
Gagne, Keith Santa Clara, US 46 205
Kocaoglu, Omer P Fremont, US 24 135
Oza, Neal N Palo Alto, US 29 158
Rezk, Mina Haymarket, US 118 423

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