Title:	Cancellation of simple optical anisotropies without use of a Faraday mirror
Authors:	Bhandari, R.
Issue Date:	Aug-2008
Publisher:	Optical Society of America
Citation:	Optics Letters, 2008, Vol.33, p1839
Abstract:	We first derive the round-trip Jones matrix for double passage through a reciprocal optical medium by means of reflection off a plane mirror that could be optically anisotropic. We then show that if a medium with only linear birefringence and linear dichroism is placed between a pair of orthogonal quarterwave plates with principal axes at 45 deg to that of the medium and the sandwich is placed in front of an isotropic mirror it behaves, under double passage, like an isotropic medium. We describe a simple liquid crystal device that behaves, in reflection, as an isotropic medium whose refractive index can be varied by application of an electric field, thus acting as a phase only modulator for light in any polarization state.
Description:	Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations)
URI:	http://hdl.handle.net/2289/3649
ISSN:	ISSN: 0146-9592 (print) ISSN: 1539-4794 (online)
Alternative Location:	http://adsabs.harvard.edu/abs/2008OptL...33.1839B http://arxiv.org/abs/0803.2952 http://dx.doi.org/10.1364/OL.33.001839
Copyright:	2008 Optical Society of America
Appears in Collections:	Research Papers (A&A)

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