bill swain
1 Answer
Barbara01
Laser beams may have a variety of wavelengths, with accordance to the element that is used to form the laser beam and the color of the beam. Helium laser beam, for instance, may have the following 3 different wavelength (in addition to many other wave lengths):
Green: 543.5 nm, Orange: 612 nm, and yellow: 594 nm.
The drawing in the following link show the wave length spectrum of commercially available lasers:
http://en.wikipedia.org/wiki/File:Commercial_laser_lines.svg
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