Macquarie University, Sydney Macquarie University ResearchOnline

Showing items 1 - 15 of 16.

Add to Quick Collection   All 16 Results

Sort:
 Add All Items to Quick Collection
Date: 2016
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1200081
Description: We measure the far-field intensity of vortex beams going through nanoholes. The process is analyzed in terms of helicity and total angular momentum. It is seen that the total angular momentum is prese ... More
Full Text: Full Text
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: book chapter
Identifier: http://hdl.handle.net/1959.14/354367
Description: This chapter presents a detailed introduction to a fundamental non-geometrical symmetry of electromagnetic fields: electromagnetic duality. This symmetry appears in free-space Maxwell equations which ... More
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/1065579
Description: Measuring the optical activity from an ensemble of chiral molecules is a common tool to know their stereo-structure. These measurements are done in the same propagation direction of the probe beam of ... More
Reviewed: Reviewed
Date: 2015
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/362656
Description: Gravitational waves, as predicted by Einstein’s general relativity theory, appear as ripples in the fabric of spacetime traveling at the speed of light. We prove that the propagation of small amplitud ... More
Full Text: Full Text
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/327759
Description: An analysis of light-matter interactions based on symmetries can provide valuable insight, particularly because it reveals which quantities are conserved and which ones can be transformed within a phy ... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/309826
Description: We present a study of the properties of the transversal "spin angular momentum" and "orbital angular momentum" operators. We show that the "spin angular momentum" operators are generators of spatial t ... More
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/281080
Description: We will show how to extract information from the Mie coefficients to properly design dual systems combined with chiral elements for having optically active structures. Such optically active elements w ... More
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/263708
Description: In this Letter, we show that the electromagnetic duality symmetry, broken in the microscopic Maxwell's equations by the presence of charges, can be restored for the macroscopic Maxwell's equations. Th ... More
Full Text: Full Text
Reviewed: Reviewed
Date: 2013
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/281491
Description: The forward and backward scattering off linear systems with discrete rotational symmetries Rz(2π/n) with n ≥ 3 are shown to be restricted by symmetry reasons. Along the symmetry axis, forward scatteri ... More
Full Text: Full Text
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/263684
Description: Two conditions on symmetries are identified as necessary for a linear scattering system to be able to rotate the linear polarization of light: Lack of at least one mirror plane of symmetry and electro ... More
Full Text: Full Text
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/263638
Description: Maxwell's equations in curved space time are invariant under electromagnetic duality transformations. We exploit this property to constrain the design parameters of metamaterials used for transformati ... More
Full Text: Full Text
Reviewed: Reviewed
Date: 2013
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/277869
Description: We show the relation between optical activity and helicity for the scattering of chiral particles. The results show how to design chiral structures for an omnidirectional optically active response ind ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.14/199598
Description: We propose a theoretical and practical framework for the study of light-matter interactions and the angular momentum of light. Our proposal is based on helicity, total angular momentum, and the use of ... More
Reviewed: Reviewed
Date: 2012
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/199543
Description: The scattering of circularly polarised Gaussian beams impinging on a cylindrical nanohole in a metallic thin film contains phase singularities. These experimental observations are due to changes in th ... More
Reviewed: Reviewed
Date: 2011
Subject Keyword: 020500 Optical Physics
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.14/169466
Description: We present the complete radiation diagram of the field scattered by a nanohole in a metallic film under Gaussian illumination. A modal expansion of the Green's Tensor for a planar multilayered structu ... More
Reviewed: Reviewed