NIGHT VISION TECHNOLOGY (#8231)

ABSTRACT
Night vision is the ability to see in low light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range. Humans have poor night vision compared to many animals, in part because the human eye lacks a tapetum lucidum.[ A night vision device (NVD) is an optical instrument that allows images to be produced in levels of light approaching total darkness. They are most often used by the military and law enforcement agencies, but are available to civilian users. The term usually refers to a complete unit, including an image intensifier tube, a protective and generally water-resistant housing, and some type of mounting system. Many NVDs also include sacrificial lenses, IR illuminators, and telescopic lenses. Night vision devices were first used in World War II, and came into wide use during the Vietnam War. The technology has evolved greatly since their introduction, leading to several "generations" of night vision equipment with performance increasing and price decreasing. Another term is "night optical device" or NOD.
TABLE OF CONTENTS
TITLE PAGE CERTIFICATION PAGE DEDICATION ACKNOWLEDGEMENT ABSTRACT TABLE OF CONTENTS
CHAPTER ONE INTRODUCTION STATEMENT OF PROBLEM PURPOSE OF THE STUDY IMPORTANCE OF THE STUDY DEFINITION OF TERMS
CHAPTER TWO LITERATURE REVIEW TYPES OF RANGES SPECTRAL RANGE INTENSITY RANGE BIOLOGICAL NIGHT VISION NIGHT VISION TECHNOLOGIES
CHAPTER THREE NIGHT GLASSES ACTIVE INFRARED LASER RANGE GATED IMAGING THERMAL VISION IMAGE INTENSIFIER NIGHT VISION DEVICES GENERATIONS GENERATION 1 GENERATION 2 (GEN II) GENERATION 3 (GEN III) OMNIBUS-VII (GEN III+ OR GEN IV) 5.3 REFERENCE