The 83rd JSAP Autumn Meeting 2022

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3 Optics and Photonics » 3.11 Nanoscale optical science and near-field optics (formerly 3.12)

[21p-A404-1~17] 3.11 Nanoscale optical science and near-field optics (formerly 3.12)

Wed. Sep 21, 2022 1:00 PM - 5:45 PM A404 (A404)

Atsushi Kubo(Univ. of Tsukuba), Haruhiko Ito(Titech), Kazuharu Uchiyama(Univ. of Yamanashi)

3:00 PM - 3:15 PM

[21p-A404-8] Rotational optical torque of a sab-shell structure induced by optical vortex excited LPR

〇Yuto Fujita1, Daisuke Tanaka1 (1.NIT, Oita College)

Keywords:plasmonics, nanomotor, optical vortex

The extinction spectrum and rotational torque when an optical vortex is incident on a subshell structure consisting of a silica sphere core with a radius of 100 nm and a gold thin film shell with a thickness of 10 nm are evaluated by the discrete dipole approximation (DDA) method, and a new LPR is used. We investigated the feasibility of the motor.