Back-illuminated and electron-bombarded CCD low-light-level imaging system performance

George M. Williams Jr.; Alice L. Reinheimer; C. Bruce Johnson; K. D. Wheeler; Norm D. Wodecki; Verle W. Aebi; Kenneth A. Costello

doi:10.1117/12.218632

8 September 1995 Back-illuminated and electron-bombarded CCD low-light-level imaging system performance

George M. Williams Jr., Alice L. Reinheimer, C. Bruce Johnson, K. D. Wheeler, Norm D. Wodecki, Verle W. Aebi, Kenneth A. Costello

Author Affiliations +

Proceedings Volume 2551, Photoelectronic Detectors, Cameras, and Systems; (1995) https://doi.org/10.1117/12.218632
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

A new class of video rate imagers based on back-illuminated and thinned CCDs is available that shows promise to replace conventional image intensifiers for most military, industrial, and scientific applications. Thinned, back-illuminated CCDs (BCCDs) and electron-bombardment CCDs (EBCCDs) offer low light level performance superior to conventional image intensifier coupled CCD (ICCD) approaches. These new, high performance devices promise to expand the fields of science, provide high contrast, high resolution, low light level surveillance imaging, and make nighttime pilotage safer for military aviators. This paper presents experimental data which illustrates how responsivity, gain, and modulation transfer function (MTF) determine the low light imaging capability, the 'target of interest' signal to noise ratio (SNR) of each of these types of sensors. High SNR and MTF make BCCDs the imager of choice under moderately low light levels and EBCCDs the imager of choice under extremely low light level conditions.

Citation Download Citation

George M. Williams Jr., Alice L. Reinheimer, C. Bruce Johnson, K. D. Wheeler, Norm D. Wodecki, Verle W. Aebi, and Kenneth A. Costello "Back-illuminated and electron-bombarded CCD low-light-level imaging system performance", Proc. SPIE 2551, Photoelectronic Detectors, Cameras, and Systems, (8 September 1995); https://doi.org/10.1117/12.218632

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