Active pixel sensor developments for future esa space science missions
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Active Pixel Sensor developments for future ESA space science missions. Evolution of APS for space application at ESA. So far the use of APS for space applications has been restricted on: STAR tracker: STAR 250, IRIS3, STAR 1000 sensors (soon in the EPPL).

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Active Pixel Sensor developments for future ESA space science missions

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Active pixel sensor developments for future esa space science missions

Active Pixel Sensor developments for future ESA space science missions


Evolution of aps for space application at esa

Evolution of APS for space application at ESA

  • So far the use of APS for space applications has been restricted on:

  • STAR tracker: STAR 250, IRIS3, STAR 1000 sensors (soon in the EPPL).

  • VMC (Visual Monitoring Camera): separation phases Soyouz, Ariane V

Star1000 chip

Recent progress +

Mission constraints

  • Active Pixel Sensors have been identified during assessment studies as reference technology for the remote sensing imaging payload on board:

  • Bepi Colombo (2012): mission to Mercury

  • Solar Orbiter (2013): sun observation


Bepi colombo

Bepi Colombo

Bepi Colombo mission: take-off in 2012 toward Mercury with two orbiters (MPO, Mercury Planetary Orbiter, MMO (Mercury Magnetospheric Orbiter)

SYMBIO-SYS (PI: E. Flamini, ASI) is the Remote Sensing Imaging consortium on board MPO. It consists in:

• HRIC (High Resolution Imaging Channel): 5 m/pxl @ 400 km, 400-900 nm

• STC (Stereo imaging Channel): 100 m/pxl, 500-900 nm

• HIRIS (High Resolution Imaging Spectrometer channel): Fourier Transform spectrometer, 588.5-590 nm

• VIHI (Visual and Infrared Hyperspectral Imager channel): 100 m/pixel at 400 km, 400-2200 nm

  • The 4 instruments are APS based (CCDs as backup). Two developments funded by ESA will be initiated in the industry in the following months:

  • optical APS: 2k2 , 10 um, 400 nm to 900 nm, high QE, built-in 12 bit ADC, snapshot, < 15 e- read noise, 100 krad TID, SEU/SEL immune.

  •  ITT publication imminent (DOPODOMANI!)

  • optical-IR APS: 5122 , 20 um, 500 nm to 2200 nm, operating temperature 200-230 K ,100 krad TID, SEU/SEL immune.

  •  ITT published on the June 10th, 2005.


Solar orbiter

Solar Orbiter

Solar Orbiter will be launched in Oct. 2013 for an 8 year extend mission, observing the sun as close as 45 sun radii, with increasing inclination.

The preliminary remote sensing payload consists in:

• VIM (Visible Light Imager and Magnetograph): 400-700 nm

• EUS (Extreme Ultraviolet Spectrometer): 17-100 nm

• EUI (Extreme Ultraviolet Imager): 13.3 nm, 17.4 nm, 30.4 nm

• COR (Coronograph): 450-600 nm( 121.6 and 30.4 nm optional)

The preliminary payload is also based on APS and at least two dedicated technological developments are foreseen (Q1 2006), they will focus on:

  • Radiation hardness (nominal environment equivalent to modest storm encountered by SOHO).

  • Increased EUV sensitivity (Hybrid or backthinned monolithic) as replacement to intensified CCDs.

  • Solar blindness.

  • Pixel size down to 8 - 5 um.

  • Low dark current & low temperature operation (typ : -80 Celsius).


Active pixel sensor developments for future esa space science missions

Will the APS invasion come from

space?


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