Posted by sarah on Friday, November 30, 2012 at 10:16pm.
Is this a CO laser or a CO2 laser?
I have never heard of a CO laser.
If m is the number of half waves bewtween the cavity mirrors, the wavelength is 48.6 cm/50,000
= 9.72*10^-4 cm
= 9.72*10^-6 m
= 9.72 microns
This is one of several possible CO2 laser wavelengths.
See
http://en.wikipedia.org/wiki/Carbon_dioxide_laser
(b) For the frequency, divide the speed of light by the computed wavelength.
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