Decoupling of coherent gaussian beams with general astigmatism



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Serna Galán, Julio and Nemes, George (1993) Decoupling of coherent gaussian beams with general astigmatism. Optics Letters, 18 (21). pp. 1774-1776. ISSN 0146-9592

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We show how to decouple a coherent Gaussian beam having general astigmatism (to transform it into a beam having only simple astigmatism, or orthogonal symmetry) by using a single rotated thin cylindrical lens. The resulting coherent orthogonal Gaussian beam may be further transformed into a stigmatic (rotationally symmetric) Gaussian beam by an orthogonal telescopic magnifier. The initial beam parameters must be known; we suggest a procedure for their measurement.

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© 1993 The Optical Society of America.
J. Serna acknowledges a grant from the Spanish Programa Nacional de Formacion de Personal Investigator and financial support from the Comisión Interministerial de Ciencia y Tecnología of Spain under Project ROB 90-539. He thanks P. M. Mejías and R. Martínez-Herrero for their help and valuable suggestions. G. Nemeş acknowledges his sponsorship by International Research and Exchanges Board, the National Science Foundation (grant ECS- 92-09081), and the U.S. Air Force Office of Scientific Research (contract F49620-92-J-0229). He thanks A. E. Siegman for the excellent working conditions in his laboratory.

Uncontrolled Keywords:Wigner Distribution Function, 1st-Order Optical-Systems, 2nd-Order Moments, Abcd Law, Light
Subjects:Sciences > Physics > Optics
ID Code:22095
Deposited On:29 Jun 2013 17:41
Last Modified:07 Feb 2014 10:41

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