Energy flow in angularly dispersive optical systems
- 1 June 2001
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 18 (6) , 839-845
- https://doi.org/10.1364/josab.18.000839
Abstract
Light-pulse propagation in angularly dispersive systems is explored in the context of a center-of-mass definition of energy arrival time. In this context the time of travel is given by a superposition of group delays weighted by the spectral content of the pulse. With this description the time of travel from one point to the next for a pulse is found to be completely determined by the spectral content, independent of the state of chirp. The effect of sensor orientation on arrival time is also considered.Keywords
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