Emissivity 101: What is emissivity?

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An essential property in the field of infrared theory is emissivity. In basic terms, emissivity describes how well a target (or material) emits infrared radiation.

In this video, we give a brief introduction to emissivity and its importance in the field of infrared theory. We also discuss calibration sources and how blackbodies are used to calibrate infrared cameras.

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There are very few videos on this subject. So ty!

kercig
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To calculate emissivity we have to assume black body of same dimension as object for which energy is we want to calculate for same temperature?

deepakkotnala
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Do yourself a favor and watch it 1.25x speed ❤

negatous
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Why you are not taking the absorptivity into an account? The energy will also be absorbed by the surface.

emresinandogan
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what's the difference between a black hole and a blackbody?

songoftherose
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