The following is an inventory of usually applicable objects for lenses and windows and their properties related to infrared transparency.
A comprehensive list that displays the emmissivity of various materials and at what temperature that amount of emmissivity occurs.
How to accurately determine the emmissivity of any black body so as to find the true temperature of a thermographer’s subject.
What exactly is infrared light, how do we see it, and what does it show us?
The mathematical equations to measure the amount of radiation that a black body emits, including Planck’s Law, Stefan-Bolzmann’s Equation, and Wein’s Displacement Law.
The correct way to measure the field of view from detector to subject when the focus is met without external lens.
The practical measurement techniques for correcting emissivity in order to obtain the true temperature of a subject when conducting an infrared inspection.
A table that displays the correction factor to compensate for various wind speeds when taking infrared images.
The explanation of thermodynamics, how it applies to infrared measurements, as well as examples and calculations that relate with the heat capacity of a gas.