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Article: Fluorescence
- Article from:
- World of Forensic Science
CopyrightCOPYRIGHT 2005 Thomson Gale. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Fluorescence
Fluorescence is an optical phenomenon wherein a material emits light in response to some external stimulus. Normally, the fluorescent light that is emitted is of a specific color or group of colors that is released when the material is bombarded with light in some other part of the color spectrum.
Certain
minerals
have a characteristic fluorescence pattern when hit with white light or ultraviolet light. Fluorite and calcite are two examples of fluorescent minerals. There are also many organic dye molecules with useful fluorescent properties. These molecules absorb light energy from external sources, and this energy causes some excitation of the electron orbitals in a ...
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