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      Characterizing an image intensifier in an full-field range image system

      Payne, Andrew D.; Dorrington, Adrian A.; Cree, Michael J.; Carnegie, Dale A.
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      Characterizing an Image Intensifier.pdf
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      DOI
       10.1109/JSEN.2008.2004577
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      Payne, A.D., Dorrington, A.A., Cree, M.J. & Carnegie, D.A. (2008). Characterizing an image intensifier in an full-field range image system. IEEE Sensors Journal, 8(11), 1763-1770.
      Permanent Research Commons link: https://hdl.handle.net/10289/3878
      Abstract
      We are developing a high precision full-field range imaging system. An integral component in this system is an image intensifier, which is modulated at frequencies up to 100 MHz. The range measurement precision is dictated by the image intensifier performance, in particular, the achievable modulation frequency, modulation depth, and waveform shape. By characterizing the image intensifier response, undesirable effects can be observed and quantified with regards to the consequence on the resulting range measurements, and the optimal operating conditions can be selected to minimize these disturbances. The characterization process utilizes a pulsed laser source to temporally probe the gain of the image intensifier. The laser is pulsed at a repetition rate slightly different to the image intensifier modulation frequency, producing a continuous phase shift between the two signals. A charge coupled device samples the image intensifier output, capturing the response over a complete modulation period. Deficiencies in our measured response are clearly identifiable and simple modifications to the configuration of our electrical driver circuit improve the modulation performance.
      Date
      2008
      Type
      Journal Article
      Publisher
      IEEE
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      © 2008 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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