Sources of light may be natural, such as sunlight or skylight, or artificial, such as light from incandescent or gas-discharge lamps. The way in which energy is distributed with wavelength determines the color of the light and, consequently, the color of objects seen under the light. Photographers know that the color response of the film they use must be matched to the type of light used to illuminate the object.
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References and Suggested Reading
- Craford, M. G., and Steranka, F. M. (1994). “Light-emitting diodes.” In George L. Trigg, ed., Encyclopedia of Applied Physics, Vol. 8. New York: VCH Publishing Co., pp. 485–514.Google Scholar
- Falk, D. S., Brill, D. R., and Stork, D. G. (1986). Seeing the Light. New York: John Wiley and Sons, Chapter 15.Google Scholar
- Nakamura, S. (1997). “Blue-green light-emitting diodes and violet laser diodes.” MRS Bulletin 22 (2), 29–35.Google Scholar
- Pedrotti, S. J., and Pedrotti, L. S. (1993). Introduction to Optics, 2nd. ed. Englewood Cliffs, NJ: Prentice Hall, Chapter 2.Google Scholar
- Serway, R. (1982). Physics. Philadelphia: Saunders College Press.Google Scholar