General propagation equation of flattened Gaussian beams.
The closed-form propagation equation of flattened Gaussian beams passing through a paraxial optical ABCD system, in which the linear gain and absorption media are included, is derived, and its general applicable advantage is illustrated with numerical examples.
Lü
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Institute of Laser Physics and Chemistry, Sichuan University, Chengdu, China. badalu@sun450.scu.edu.cn
Luo
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