Longitudinal Mode - an overview | ScienceDirect Topics
Difference Between Single Transverse & Single Longitudinal Mode?
Transverse modes The distribution of the radiation intensity beam across the cross sectional area perpendicular to the optical laser axis has different. - ppt download
Rami Arieli: "The Laser Adventure"
Figure 6 | Combination of Transverse Mode Selection and Active Longitudinal Mode-Locking of Broad Area Semiconductor Lasers