Distributed aperture effect in laser rods with negative lenses: a discussion.
The difference between a ray transfer matrix in a lenslike medium and a section of lenslike medium immersed in vacuum is demonstrated. The distributed aperture and useful volume are calculated for a laser rod with negative lenses ground on the ends, using a multiplication of ray transfer matrices and the deductive method used by Barnes and Scalise. The results we obtained are different from their results.
Chang-de
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Kun-Shih
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