Abstract
The inadequacy of using beam propagation factors $M_x^2$, $M_y^2$ for general astigmatic beams as those analyzed in the paper J. Opt. Soc. Am. A 37, 89 (2020) [CrossRef] is discussed, and the appropriate beam invariants to be considered are presented.
© 2022 Optical Society of America
Full Article | PDF ArticleMore Like This
Haiyun Wang, Xiaofeng Peng, Lin Liu, Fei Wang, and Yangjian Cai
J. Opt. Soc. Am. A 39(4) 672-673 (2022)
Haiyun Wang, Xiaofeng Peng, Lin Liu, Fei Wang, and Yangjian Cai
J. Opt. Soc. Am. A 37(1) 89-97 (2020)
Mikhail Charnotskii
J. Opt. Soc. Am. A 32(7) 1247-1250 (2015)