Infrared imaging bolometers

  • Harry A. C. Eaton
Part of the ISSI Scientific Report Series book series (ISSI, volume 9)


Infrared imaging bolometers have found great utility in space imaging applications. Bolometers measure incident energy by observing a temperature change caused when a material absorbs photons. Because there is great flexibility in choosing the absorbing material characteristics, bolometers can readily be designed to have narrow or broad-band characteristics over a wide range of wavelengths. Imaging bolometers are simply formed from arrays of individual bolometers in the focal plane of a telescope. Uncooled bolometers with high pixel counts are applied for studying the Sun and planets, while imaging bolometers cooled to very low temperatures but having fewer pixels, have been designed for deep-space imaging applications, typically in the very-long wavelength to sub-millimetre region. Ultra-low temperature imaging bolometers have achieved detectivities better than the best photo-current detectors in the far-infrared region.


Total Solar Irradiance Transition Edge Sensor Noise Equivalent Temperature Difference Bolometer Array Stratospheric Balloon 
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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Harry A. C. Eaton
    • 1
  1. 1.Johns Hopkins University Applied Physics LaboratoryLaurelUSA

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