Laser applications to chemical, security, and environmental analysis : introduction to the feature issue
The 19th Topical Meeting on Laser Applications to Chemical, Security, and Environmental Analysis (LACSEA) was held in Toulouse, France from 15–19 July 2024, as part of the Optica Optical Sensing Congress, with a return to in-person attendance. The meeting featured 21 sessions covering recent advances in laser and optical spectroscopy, sensor design, and diagnostic application. A total of 125 contr
