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Dynamics of Fréedericksz transition in periodic structures
2008 Edition, January 1, 2008 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We have studied the dynamics of the LC in periodic structures for elliptically polarized wave beyond the optical Freedericksz transition. We have shown that if the number of layers is large enough, the static solution will become dynamically...

First- and second-order Freedericksz transitions in nematic liquid crystals subjected to static and optical-electromagnetic fields
1986 Edition, Volume 33, August 1, 1986 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The electric-field-induced Freedericksz transition in a nematic liquid crystal is always second order, with or without an additional electric or magnetic field. However, with an additional optical field, the transition can become first order and bistable in both...

New in the Theory of Periodic Structures
2019 Edition, April 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

New results in the theory of periodic structures (PSs), obtained on the basis of stepped transmission line model, are presented. It is shown that PSs peculiarly transform the wave impedance, inducing unusual properties of the wave medium. Stepped...

1D Magneto-plasmonics periodic structures
2011 Edition, May 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Summary from only given. In this article the effect of external DC magnetic _eld on dispersion diagram of plasmonic periodic structures will be investigated. In this regard the dispersion diagram for the Voigt and Faraday structures will be derived....

1D Magneto-plasmonics periodic structures
2011 Edition, May 1, 2011 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this article the effect of external DC magnetic field on dispersion diagram of plasmonic periodic structures will be investigated. In this regard the dispersion diagram for the Voigt and Faraday structures will be derived. Then the effect...

Periodic structure controller design
1992 Edition, January 1, 1992 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The authors demonstrate via averaging theory an approach whereby any stable linear system can be approximated by a simple periodic-structure system. The control of continuous-time, linear, time-invariant plants via a periodic structure control scheme is proposed....

Microstrip applicator bandwidth enhancement using periodic structures
2014 Edition, December 1, 2014 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

The design of a rectangular microstrip applicator combined with periodic structures in order to obtain bandwidth enhancement is presented. The simulated results show that a significant improvement in bandwidth is achieved. The applicator has bandwidth of 2...

FDFD eigenanalysis of non-reciprocal periodic structures
2015 Edition, November 1, 2015 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A two dimensional Finite Difference Frequency Domain (2D-FDFD) eigenanalysis of an array consisting of periodically located strips printed on axially magnetized ferrite film is presented. The main interest in these structures arises from our previous study which revealed...

Plasma-tunable metamaterials and periodic structures
2013 Edition, May 1, 2013 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

In this paper, we examine methods in which plasmas can be used to tune the responses of RF/microwave periodic structures and artificially-engineered materials. In particular, we exploit microwave-induced plasmas created in periodic...

Silicon nanophotonic devices based on periodic structures
2010 Edition, September 1, 2010 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Periodic structures have been used extensively in optics and photonics. This paper is to report our work on manipulating optical propagation in the nanophotonics domain using silicon devices based on periodic structures.

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