Self-mixing interferometry device configured for non-reciprocal sensing

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United States of America Patent

PATENT NO 11874110
SERIAL NO

17118394

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Abstract

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Methods and systems concerning non-reciprocal sensing paths for a self-mixing interferometry operation are disclosed herein. Optical components may be used to direct light transmit from a light source along an illumination path. The optical components may additionally return light to the light source after being reflected from a target and may direct the returned light along a collection path. The illumination path and the collection path may be at least partially non-reciprocal so that the transmitted light and the returned light follow along partially different paths. Once the received light is received within a cavity of the light source, a self-mixing interferometry operation may be performed and may be used to detect a property of the target in relation to the light source.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCONE APPLE PARK WAY CUPERTINO CA 95014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Tong Fremont, US 247 2916
Cihan, Ahmet Fatih San Jose, US 22 127
Jin, Mingzhou Campbell, US 7 32

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