IR CharacteristicsLew Update27dec07 - Basic Infrared Characteristics PURPOSE \u2022 IDENTIFY FACTORS THAT AFFECT FLIR PERFORMANCE OVERVIEW \u2022 IR

IR CharacteristicsLew Update27dec07 - Basic Infrared...

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Basic Infrared Characteristics
PURPOSE IDENTIFY FACTORS THAT AFFECT FLIR PERFORMANCE
OVERVIEW IR CHARACTERISTICS IR CROSSOVER OTHER FACTORS THAT INFLUENCE IR PERFORMANCE
IR THEORY Passive system; sensitive solely to IR energy Sense and display energy radiated from objects Minimum resolvable temperature (MRT) of ??
IR COMPONENTS GERMANIUM WINDOW ABSORBS ALL VISIBLE LIGHT WHILE ONLY ALLOWING IR ENERGY TO PASS HEATER CYCLES AUTOMATICALLY FOCAL LENS ASSEMBLY COLLECTS IR ENERGY
IR CHARACTERISTICS REFLECTANCE TRANSMITTANCE ABSORPTANCE EMISSIVITY
R.A.T.E. ABSORBED EMITTED REFLECTED INCIDENT TRANSMITTED
Reflectance RATIO OF ENERGY REFLECTED BY A BODY TO THE RADIANT ENERGY INCIDENT UPON IT
Transmittance THE RATIO OF RADIANT ENERGY THAT, HAVING ENTERED A BODY, REACHES ITS FARTHER BOUNDARY
Absorptance THE RATIO OF RADIANT ENERGY

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