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Spiral metamaterial for active tuning of optical activity
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10.1063/1.4809533
/content/aip/journal/apl/102/22/10.1063/1.4809533
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/22/10.1063/1.4809533
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) A schematic of the array of spiral structures. In this figure, an array of LH helices is shown. RCP or LCP light is incident on the device through the upper electrode. (b) If the voltage is off, the spiral structures do not deform. Once the voltage is on, the structure rises due to the electrostatic force.

Image of FIG. 2.
FIG. 2.

(a) Detailed structural parameters of the spirals. (b) and (c) SEM photographs under a voltage application of 0 V and (d) 350 V, for which the standing structures can be observed.

Image of FIG. 3.
FIG. 3.

(a) and (b) Three-dimensional profile of the spiral structures obtained with a laser three-dimensional profiler. (c) Cross-section profiles of spirals with different displacements.

Image of FIG. 4.
FIG. 4.

(a) and (b) Transmittance of the electric field amplitude through the proposed metamaterial for the RH and LH helices, respectively. (c) and (d) Polarization azimuth rotation angles of the RH and LH helices, respectively, at 0 V. (e) and (f) Differential polarization azimuth rotation angles at three applied voltages for the RH and LH helices, respectively. (g) and (h) The ellipticity angles of the RH and LH helices, respectively, at 0 V. (i) and (j) The differential ellipticity angles at three applied voltages for the RH and LH helices, respectively.

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/content/aip/journal/apl/102/22/10.1063/1.4809533
2013-06-05
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spiral metamaterial for active tuning of optical activity
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/22/10.1063/1.4809533
10.1063/1.4809533
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