This document provides an overview of night vision technology, including how night vision devices work and their applications. It discusses the two main approaches to night vision - enhancing spectral range and intensity range. It describes the components and working of image intensification and thermal imaging devices. The document outlines the four generations of night vision devices and how each generation improved light amplification and detection range. In conclusion, it notes that while night vision was originally for military use, it has expanded to civilian applications like security and hunting.

26. Continued…… Courtesy of Matt Last GEN 2 GEN 3 % Improvement Photoresponse(µA/Im) 1800 1800 - Signal-to-Noise Ratio 21.0 25 20% Higher Resolution(lp/mm) 64 64 - Halo(mm) 1.25 0.75 40% Smaller Reliability(hours) 10,000 10,000 -

27. Detection Range Gen 1 SuperGen 1 Gen 2 OMNI I and II Gen 2 OMNI III Gen 2 OMNI IV Gen 3 Detection Range (m) 170 270 240 290 360 430 % Improvement over Gen 1 0% 60% 40% 70% 110% 153%

34. Questions??