ECE532 Biomedical Optics
© 1998 Steven L. Jacques, Scott A. Prahl
Oregon Graduate Institute

Experiment: Calibrating a light bulb

We shall calibrate the radiant power, P [W], of a light bulb by immersing it within a cup of black water and capturing all the radiant energy, Q [J], generated during an exposure time, t [s]. Measuring the temperature rise of the water will yield the power of the light bulb.

The radiant power P of the light bulb is 10 W.

Next | Power & Energy | Radiometry