Power deposited by a Gaussian beam on a decentered circular aperture.
An expression for the energy or power deposited by a Gaussian beam on a decentered circular aperture is derived. It represents a generalization of the classic laser-beam truncation problem, with applications in the areas of laser scanning, detection theory, lidar, free-space communications, and so on. In addition, it can be used to quantify the effect of alignment errors on laser systems.
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Barbeau