Affiliation:
1. Harbin Normal University
Abstract
Goos–Hänchen (GH) and Imbert–Fedorov (IF) shifts of reflected beams and the effects of two Dyakonov surface magnon polaritons (DSMPs) on these shifts are studied in the Otto configuration with an antiferromagnetic substrate. A modified dispersion equation of the DSMPs is proposed to recognize GH and IF shifts related to the DSMPs. Reflected beam shift spectra are simulated for a
F
e
F
2
substrate. Shift features around the two DSMPs are observed by frequency scanning with a fixed incident angle. The GH-shift amplitude corresponding to either DSMP is situated between the immediately adjacent maximum and minimum of a GH-shift curve. The shift-amplitude maximum of an IF-shift curve corresponds to the relevant DSMP accurately. GH and IF shifts also are given by frequency scanning along dispersion curves.
Funder
Natural Science Foundation of Heilongjiang Province
Doctoral Students’ Research Innovation Project of Harbin Normal University
Subject
Atomic and Molecular Physics, and Optics,Statistical and Nonlinear Physics
Cited by
6 articles.
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