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Optics Letters

Optics Letters

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  • Vol. 23, Iss. 24 — Dec. 15, 1998
  • pp: 1912–1914

Tunable polarization response of a planar asymmetric-spiral infrared antenna

G. D. Boreman, C. Fumeaux, W. Herrmann, F. K. Kneubühl, and H. Rothuizen  »View Author Affiliations


Optics Letters, Vol. 23, Issue 24, pp. 1912-1914 (1998)
http://dx.doi.org/10.1364/OL.23.001912


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Abstract

We present measurements at 10.6 µm that demonstrate electronic tuning of the polarization response of asymmetric-spiral infrared antennas connected to Ni–NiO–Ni diodes. Continuous variation of the bias voltage applied to the diode results in a rotation of the principal axis of the polarization ellipse of the spiral antenna. A 90° tuning range is measured for a bias voltage that varies from -160 to +160 mV .This effect is caused by a small asymmetry of the deposited diode contact or by a variation of the detector capacitance with the applied bias voltage.

© 1998 Optical Society of America

OCIS Codes
(040.0040) Detectors : Detectors
(040.1880) Detectors : Detection
(040.3060) Detectors : Infrared
(230.5440) Optical devices : Polarization-selective devices

Citation
G. D. Boreman, C. Fumeaux, W. Herrmann, F. K. Kneubühl, and H. Rothuizen, "Tunable polarization response of a planar asymmetric-spiral infrared antenna," Opt. Lett. 23, 1912-1914 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-24-1912

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