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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 6, Iss. 4 — Apr. 1, 2008
  • pp: 297–299

Polarization properties of porous anodic alumina with Y-branched Cu nanowires

Xuejun Su, Lichun Zhang, Qingshan Li, and Dechun Liang  »View Author Affiliations

Chinese Optics Letters, Vol. 6, Issue 4, pp. 297-299 (2008)

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Porous anodic alumina (PAA) templates with branch structure are fabricated by the two-step anodic oxidation processes, and then the Y-branched Cu nanowires are synthesized in the templates using an alternating current (AC) deposition method. We observe the morphology image of the samples by scanning electron microscopy (SEM), and measure the transmission spectrum and the polarization spectrum of the samples by the spectrophotometer. The results show that PAA films with Y-branched Cu nanowires have better transmittance in the near infrared region. An extinction ratio of 15~18 dB and an insertion loss of 0.1~0.4 dB are obtained in this region. Therefore PAA with Y-branched Cu nanowires can be used as a near-infrared micropolarizer, and this kind of micropolarizer would have a promising future in the field of photoelectricity integration.

© 2008 Chinese Optics Letters

OCIS Codes
(230.5440) Optical devices : Polarization-selective devices
(240.5420) Optics at surfaces : Polaritons
(310.6860) Thin films : Thin films, optical properties

Xuejun Su, Lichun Zhang, Qingshan Li, and Dechun Liang, "Polarization properties of porous anodic alumina with Y-branched Cu nanowires," Chin. Opt. Lett. 6, 297-299 (2008)

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