Abstract

The use of the generalized Lorenz–Mie theory that describes the interaction between a spherical particle and an arbitrarily shaped beam requires knowledge of the beam-shape coefficients (BSC’s) that describe the illuminating beam. Classically, these BSC’s are evaluated from an a priori mathematical description of the illuminating beam. We propose a method that relies on intensity measurements along the beam axis that permits one to measure directly the BSC’s of an actual beam in the laboratory.

© 1998 Optical Society of America

Laboratory determination of beam-shape coefficients for use in generalized Lorenz–Mie theory

Hubert Polaert, Gérard Gouesbet, and Gérard Gréhan
Appl. Opt. 40(10) 1699-1706 (2001)

Rigorous justification of the localized approximation to the beam-shape coefficients in generalized Lorenz–Mie theory. II. Off-axis beams

Gérard Gouesbet and James A. Lock
J. Opt. Soc. Am. A 11(9) 2516-2525 (1994)

Integral localized approximation in generalized Lorenz–Mie theory

Kuan Fang Ren, Gérard Gouesbet, and Gérard Gréhan
Appl. Opt. 37(19) 4218-4225 (1998)

Rigorous justification of the localized approximation to the beam-shape coefficients in generalized Lorenz–Mie theory. I. On-axis beams

James A. Lock and Gérard Gouesbet
J. Opt. Soc. Am. A 11(9) 2503-2515 (1994)

Computation of the beam-shape coefficients in the generalized Lorenz–Mie theory by using the translational addition theorem for spherical vector wave functions

A. Doicu and T. Wriedt
Appl. Opt. 36(13) 2971-2978 (1997)