10.6084/m9.figshare.6387866.v1 Daomu Zhao Daomu Zhao The spectral density of TGSMA beams Optica Publishing Group 2018 beam propagation behavior 2018-07-17 13:02:22 Media https://opticapublishing.figshare.com/articles/media/The_spectral_density_of_TGSMA_beams/6387866 The animated representation of the full propagation of spectral density