Computer Science
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1527..240a&link_type=abstract
Proc. SPIE Vol. 1527, p. 240-251, Current Developments in Optical Design and Optical Engineering, Robert E. Fischer; Warren J. S
Computer Science
Scientific paper
The transformation of laser beams passing through optical systems is analyzed using a TEM modal decomposition. The laser beam is decomposed and the optical system is described by a matrix that relates the modal composition of the input and output beams. The hard aperture and the parabolic and Gaussian soft apertures are given a typical examples. The matrices that characterize these apertures allow analysis of the losses of laser resonators, including finite and/or variable reflectivity mirrors. The modal decomposition is used for defining modified ABCD matrices that include any kind of apertures.
Alda Javier
Bernabeu Eusebio
Porras Miguel A.
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