Search
Menu
Optimax Systems, Inc. - Optical Components & Systems 2024 LB
Photonics Dictionary

Kirchhoff's law

For any point on a thermal radiator, at thermal equilibrium and for each wavelength, the emissivity in any direction is equal to the absorptance for radiation from the same direction.
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.