Calibration method for MMW imaging using inexpensive miniature neon indicator lamp detectors

Assaf Levanon, Natan S. Kopeika, Yitzhak Yitzhaky, Daniel Rozban, Amir Abramovich

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We have developed focal plan array (FPA) imagers based on very inexpensive miniature neon indicator lamp detectors called glow discharged detectors (GDDs). The novelty of this paper is a technique of calibration, which permits reliable imaging with such an inexpensive FPA. GDDs are commercial lamps, which lack uniformity as detectors. The technique developed in this paper cancels out differences in response between the FPA lamps caused by both nonuniformity of the MMW collimated beam, and nonuniformity of the GDDs and other components in the electronic circuit. Utilizing this method in the new imaging system unifies detector response. Results, shown with two types of sensor configurations 8× 8 and 18× 2 scanner array), indeed show better performances and improvement in visibility of details.

Original languageEnglish
Article number6733273
Pages (from-to)1677-1681
Number of pages5
JournalIEEE Sensors Journal
Volume14
Issue number5
DOIs
StatePublished - May 2014

Keywords

  • Millimeter waves
  • calibration technique
  • focal plane array
  • imaging
  • systems embedded

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