Next-generation CMOS active pixel sensors for satellite hybrid optical communications/imaging sensor systems

Details Next-generation CMOS active pixel sensors for satellite hybrid optical communications/imaging sensor systems Next-generation CMOS active pixel sensors for satellite hybrid optical communications/imaging sensor systems

Dec 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998spie.3498..255s&link_type=abstract

Proc. SPIE Vol. 3498, p. 255-264, Sensors, Systems, and Next-Generation Satellites II, Hiroyuki Fujisada; Ed.

Physics

Optics

3

Scientific paper

Given the current choices of (1) an ever increasing population of large numbers of satellites in low-earth orbit (LEO) constellations for commercial and military global coverage systems, or (2) the alternative of smaller count geosynchronous satellite system constellations in high-earth (HEO), of higher cost and complexity, a number of commercial communications and military operations satellite systems designers are investigating the potential advantages and issues of operating in the mid-earth orbit altitudes (MEO) (between LEO and HEO). At these MEO altitudes both total dose and displacement damage can be traded against the system advantages of fewer satellites required. With growing demand for higher bandwidth communication for real-time earth observing satellite sensor systems, and NASA's interplanetary and deep space virtual unmanned exploration missions in stressing radiation environments, JPL is developing the next generation of smart sensors to address these new requirements of: low-cost, high bandwidth, miniaturization, ultra low-power and mission environment ruggedness. Radiation hardened/tolerant Active Pixel Sensor CMOS imagers that can be adaptively windowed with low power, on-chip control, timing, digital output and provide data-channel efficient on-chip compression, high bandwidth optical communications links are being designed and investigated to reduce size, weight and cost for common optics/hybrid architectures.

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