Passive Night Sight using Image Intensifier Minimum Resolvable Contrast Model

Authors

  • A. K. Jaiswal Instruments Research & Development Establishment, Dehra Dun

DOI:

https://doi.org/10.14429/dsj.56.1952

Keywords:

Night vision, passive night sight, image intensifier tube, IIMRC, image intensifier minimum resolvable contrast, night-sky illumination, photopic illumination

Abstract

Performance study of a passive night sight has been carried out using an image intensifier
minimum resolvable contrast (IIMRC) model. It has been shown that for two identically designed
passive sights, the one incorporating super gen tube performs better by factor of 1.3 against
the other incorporating second gen tube. Effects of spectral characteristics of night-sky
illumination as also spectral reflectance of scene elements have been investigated. It has been
concluded that field performance of passive night sight may be correlated to dark-tunnel
measurements of limiting resolution at illumination level corresponding to near-starlit condition
for acceptance or otherwise of the sight.

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Published

2006-11-01

How to Cite

Jaiswal, A. K. (2006). Passive Night Sight using Image Intensifier Minimum Resolvable Contrast Model. Defence Science Journal, 56(5), 835–840. https://doi.org/10.14429/dsj.56.1952

Issue

Vol. 56 No. 5

Section

Electronics & Communication Systems

License

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