Light output

Light output and light energy are colloquial terms that are not used in specialist terminology .

"Light output" can mean:

• the luminous flux ( English luminous power ) as the photometric correspondence to the radiant power (measured in lumens)
• the radiant power of the emitted light (measured in watts ),
• the electrical power that a lighting system z. B. in event or stage technology.

"Light energy" can mean:

• light as a form of energy, in contrast to kinetic energy, chemical energy, thermal energy etc ...
• the light amount ( English luminous energy ), the time-integrated luminous flux (measured in lumens seconds)
• the radiation energy of the emitted light (measured in joules ),
• the energy of single photons

Individual evidence

1. ↑ Robert Wichard Pohl : Introduction to Optics . 8th edition. Springer, Heidelberg 1948, ISBN 978-3-662-01855-2 , p.  324 . (Online: [1] )