Abstract

Switchable beam steerers based on zenithal bistable liquid crystal (LC) gratings are designed and theoretically investigated. The nematic orientation profiles and the optical transmittance properties of the gratings are rigorously calculated, respectively, via a tensorial formulation of the Landau-de Gennes theory and the full-wave finite-element-method. By proper design of the grating geometry, beam steering with high diffraction efficiency is demonstrated between the two stable LC states. The tolerance of the device performance with respect to material parameters is assessed, evidencing spectral operation windows of more than 50 nm in the visible for a beam steering efficiency higher than 90%.

© 2014 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Liquid-crystal blazed-grating beam deflector

Xu Wang, Daniel Wilson, Richard Muller, Paul Maker, and Demetri Psaltis
Appl. Opt. 39(35) 6545-6555 (2000)

Liquid-crystal blazed grating with azimuthally distributed liquid-crystal directors

Michinori Honma and Toshiaki Nose
Appl. Opt. 43(27) 5193-5197 (2004)

Optically-tunable beam steering grating based on azobenzene doped cholesteric liquid crystal

Hung-Chang Jau, Tsung-Hsien Lin, Ri-Xin Fung, San-Yi Huang, J.-H. Liu, and Andy Y.-G. Fuh
Opt. Express 18(16) 17498-17503 (2010)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (5)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (4)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription