Experimental verification of density inhomogeneity due to lasing in a gas-dynamic laser
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As a consequence of lasing, heat, in an amount related to the quantum efficiency, is released in a gas-dynamic laser (GDL) causing density perturbations, Calculations were made to predict the density contours throughout the laser cavity. Subsequent to the calculations, density changes due to lasing were measured using a Mach-Zehnder interferometer. The predicted and observed density variations were in good agreement.
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