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Event based SWIR sensor

Event-based imagers are an emerging class of sensors with demonstrated advantages relative to traditional imagers. Event-based vision sensors have a limited number of output bits that are only responsive to image variations, thus overcoming the speed and power constraints of the conventional imagers based on image integration. So far, event-based vision has been implemented in visible CMOS sensors. SCD has developed a new event-based VGA/10μm InGaAs sensor that is sensitive in the Visible to SWIR band (600–1700nm) thus extending the standard imaging capabilities such as day light, low-light level, see-through fog and dust. Another novelty of this sensor is that the event channel outputs in parallel to a conventional integrating fast imaging channel. Moreover, the event channel can be reconfigured to provide a fast laser pulse detection mode, which also outputs in parallel to the integrated image. The new ROIC outputs standard video at 13 bit resolution with a high frame rate of 800 frames per second and can double this rate by lowering the resolution to 11 bit. The Event channel can reach up to 25 kHz of negative, null, or positive signal and the laser channel can double this output providing a single bit detection frame up to 50 kHz. In this work, we will elaborate on the architecture, key features, and preliminary simulations of the ROIC and sensor.

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  • C. G. Jakobson
  • R. Frainkel
  • N. Ben Ari
  • R. Dobromislin
  • N. Shiloah
  • T. Argov
  • W. Freiman
  • G. Zohar
  • L. Langof
  • O. Ofer
  • R. Elishkov
  • E. Shunem
  • M. Labilov
  • M. Alcheck
  • Y. Kalfa
  • M. Nitzani
  • Y. Karni
  • I. Shtrichman
  • T. Markovitz

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