Radiant flux: Difference between revisions

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Radiant flux is a term in radiometry. It is defined as the change in energy over the change in time:

$\Phi ={\frac {dQ}{dT}}$

In this case, Q refers to energy from photons (radiation energy). The units for flux are [J/sec] which is equal to [W] (watt).

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-Flux is a term in [[Radiometry|radiometry]].  It is defined as the change in energy over the change in time:
+'''Radiant flux''' is a term in [[Radiometry|radiometry]].  It is defined as the change in energy over the change in time:
 <math>
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-In this case, the Q refers to energy from [[Photon|photons]].  The units for flux are [J/sec] which is equal to [W].
+In this case, ''Q'' refers to energy from [[Photon|photons]] (radiation energy).  The units for flux are [J/sec] which is equal to [W] ([[watt]]).