Assignment 4

2 an argon laser has a 90 cm gain tube and operates

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Unformatted text preview: tion at two discrete wavelengths to accomplish this? 2. An argon laser has a 90 cm gain tube and operates at a wavelength of 488 nm. Calculate the Doppler linewidth of the laser. Plasma temperatures in an argon laser run at about 5000 K. Compare this to the linewidth of the HeNe laser with a gas temperature of about 400 K, lasing at 632 nm. 3. a) Calculate the number of longitudinal modes in a dye laser that has a 30 cm cavity length and a gain bandwidth that...
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This document was uploaded on 02/04/2014.

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