We present numerical results concerning the properties of the electromagnetic field scattered by an infinite circular cylinder illuminated by a circular Gaussian beam. The cylinder is arbitrarily located and arbitrarily oriented with respect to the illuminating Gaussian beam. Numerical evaluations are provided within the framework of a rigorous electromagnetic theory, the generalized Lorenz–Mie theory, for infinite cylinders. This theory provides new insights that could not be obtained from older formulations, i.e., geometrical optics and plane-wave scattering. In particular, some emphasis is laid on the waveguiding effect and on the rainbow phenomenon whose fine structure is hardly predictable by use of geometrical optics.
© 1999 Optical Society of America
Original Manuscript: February 25, 1998
Revised Manuscript: November 30, 1998
Published: March 20, 1999
Loïc Mees, Kuan Fang Ren, Gérard Gréhan, and Gérard Gouesbet, "Scattering of a Gaussian beam by an infinite cylinder with arbitrary location and arbitrary orientation: numerical results," Appl. Opt. 38, 1867-1876 (1999)