Advances in CMOS SPAD sensors for LIDAR applications

Istvan Gyongy, Tarek Al Abbas, Neil Finlayson, Nick Johnston, Neil Calder, Ahmet Erdogan, Neale W. Dutton, Richard Walker, Robert K. Henderson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Single-Photon Avalanche Diode (SPAD) sensors are one of the detectors of choice in LIDAR applications, due to their high sensitivity and time resolution. Traditionally, single-point SPAD detectors have been used, necessitating optical scanning, and hence leading to slower acquisition times. However, recent advances in SPAD technology have yielded high pixel count imagers. In these sensors, high sensitivity is ensured by maximising the photo-sensitive area of the device, whilst time-resolved capability is offered by the time stamping of photon detections and/or a programmable timegate synced to the laser source. The resulting sensors show an exciting promise for LIDAR, especially in challenging, low-light, high-speed applications.

Original languageEnglish
Title of host publicationEmerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures
PublisherSPIE
Volume10799
ISBN (Electronic)9781510621817
DOIs
Publication statusPublished - 4 Oct 2018
EventEmerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures 2018 - Berlin, Germany
Duration: 12 Sep 201812 Sep 2018

Conference

ConferenceEmerging Imaging and Sensing Technologies for Security and Defence III; and Unmanned Sensors, Systems, and Countermeasures 2018
CountryGermany
CityBerlin
Period12/09/1812/09/18

Keywords

  • LIDAR
  • Photon counting image sensor
  • Single-photon avalanche diode
  • Time-of-flight imaging

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