OPTICAL SENSOR WITH MEMS MMA STEERED TRANSMITTER AND STARING DETECTOR

An optical sensor uses a MEMS MMA to scan a narrow laser beam over a transmit FOR to provide active illumination and to correct the beam profile (e.g., collimate the beam, reduce chromatic aberrations, correct the beam profile or wavefront). A staring detector senses light within a receive FOR that...

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Bibliographische Detailangaben
Hauptverfasser: Rogala, Eric, Lange, Mark K, Keller, Sean D, Reyna, Vanessa, Leigh, Jon E, Odom, Garret A, Gleason, Benn H, Shott, Craig O, Uyeno, Gerald P
Format: Patent
Sprache:eng
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Zusammenfassung:An optical sensor uses a MEMS MMA to scan a narrow laser beam over a transmit FOR to provide active illumination and to correct the beam profile (e.g., collimate the beam, reduce chromatic aberrations, correct the beam profile or wavefront). A staring detector senses light within a receive FOR that at least partially overlaps the transmit FOR. By completely eliminating the dual-axis gimbal, this sensor architecture greatly reduces the volume and weight of the optical sensor while avoiding the deficiencies of known systems associated with either fiber or free-space coupling of the laser beam into an existing receiver.