Assignment 4

B imagine modulating the laser at a period equal

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Unformatted text preview: spans from 600 nm to 550 nm. Contrast this to a carbon dioxide laser of 1 m cavity length. b) Imagine modulating the laser at a period equal to the round ­trip time for a photon in the laser cavity. This produces side ­bands that overlap with adjacent modes in the gain profile and provides a mechanism to couple all the modes in the cavity. The effect is to establish a constant phase relationship between all modes. Using a mathematical plotting software package, show the effect of locking 20 adjacent cavity modes together versus them having random phases. c) Estimate the difference between the dye laser and the carbon monoxide laser output when all modes in the respective lasers are locked....
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This document was uploaded on 02/04/2014.

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