The backscattering reciprocity theorem is considered for large particles as compared with the incident wavelength particles of arbitrary shape. It is shown that, in the specific case of faceted particles, this theorem is provided by the appearance of pairs of conjugate backscattered beams. A parameter characterizing a deviation of any approximation from the reciprocity theorem is proposed, and it is used for estimation of reliability for the physical-optics approximation.
© 2013 Optical Society of America
Original Manuscript: January 10, 2013
Revised Manuscript: March 17, 2013
Manuscript Accepted: March 29, 2013
Published: April 26, 2013
Anatoli Borovoi, Alexander Konoshonkin, and Natalia Kustova, "Backscattering reciprocity for large particles," Opt. Lett. 38, 1485-1487 (2013)