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Abstract

A remote sensing system comprises a time-of-flight sensor including an array of near-infrared laser diodes comprising Bragg reflectors and pulsed with durations approximately 0.5 to 2 nanoseconds whose light is directed to an object. The detection system comprises a photodiode array coupled to a processor, and the time-of-flight measurement is calculated from the temporal distribution of photons reflected from the object. The sensor is coupled to an optical system comprising an active illuminator with a plurality of light emitting diodes and a camera system configured to be synchronized to the illuminator. Furthermore, the sensor is coupled to a light sensing system comprising a multi-wavelength filter to separate incoming ambient light into a series of wavelength bands, and a detector array configured to capture some of the wavelength bands to generate a color output. The processor may be configured to control the active illuminator based on the received color output.

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First Claim