Allan Ian Carswell, CM, FRSC (born 1933) is a physicist and researcher in the field of laser radar (lidar) applications.
Carswell has been actively engaged in the study of the properties and applications of lasers and coherent optical frequency radiation since 1963.
Carswell was a Professor of Physics at Toronto, Ontario, Canada's York University, where he conducted laser research.
[3] In 2006 Carswell was honoured with the John H. Chapman Award of Excellence by the Canadian Space Agency (CSA) for his significant achievements and lifelong dedication to space science and development in Canada.
Carswell continues to actively participate in both Optech and the development of lidar technologies.