Radiation-hard CMOS Active Pixel Sensor for UV and VIS applications
Space radiation is a major concern, particularly in the regions closest to Jupiter. The CMOS APS offered was selected as the baseline sensor for JANUS, an optical camera aboard ESA’s JUICE mission to the Jovian system. The 3 Megapixel sensor features high radiation tolerance, low power consumption, and an anti-reflection coating to improve quantum efficiency. The sensor is ideal for UV and VIS wavelengths in a range of commercial applications.
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The CMOS image sensor (CIS) was developed for space-borne applications and subsequently selected as the baseline sensor on the JANUS optical camera for ESA’s JUICE mission to Jupiter and its moons, where the camera will provide high resolution imaging of the Jovian system.
The CMOS APS has a 2000 by 1504 pixel array with each pixel 7 um square. The pixels have a 4T pinned photodiode pixel architecture and the array is read out through four differential analogue outputs. Other key performance parameters include pixel full well capacity of 30,000 e-, low readout noise of 5 e- rms, and TID of 250 k-rads(Si). The dyanamic range is 74.6 dB and pixel readout rate is 6.2 MP/s. The APS is back-side illuminated (BSI) and backthinned to provide high optical sensitivity, particularly in the blue region of the spectrum. The APS is also anti-reflection coated to optimise the response in VIS, UV, and IR regions.
The company behind this offer has over 30 years’ experience in designing and supplying custom imaging sensors; including image sensors used for the update to the Hubble Space Telescope, and sensors on board spectroscopic instruments on the Mars Reconnaissance Rover.
Innovations & Advantages
- Backthinned for high optical sensitivity
- Anti-reflection coating for optimised response in VIS, UV, and IR regions
- Very low readout noise (particularly at readout rates of 6.2 MP/s)
- High radiation tolerance
- Low power consumption
Operating Temperature range: -55 – 60 °C
Current and Potential Domains of Application
This multipurpose image sensor is currently used for space-borne applications.
Potential domains include:
- Machine vision
- Nuclear applications
- Security and surveillance
- Scientific applications including biology and particle physics