NDLI: Polarizer Made of Anodic Alumina Film

Content Provider	IEEE Xplore Digital Library
Author	Jinliang Yan Kewei Li Jun Li Yinnv Zhao Chun Guo
Copyright Year	2006
Description	Author affiliation: Sch. of Phys. & Electron. Eng., Yantai Normal Univ. (Jinliang Yan; Kewei Li; Jun Li; Yinnv Zhao; Chun Guo)
Abstract	A theoretical evaluation has been made of the optical loss of anodic alumina film with implanted metal columns. It has been shown that micro-columns arranged in the alumina film give rise to an optical loss that strongly depends on the direction of polarization, exhibit a prominent anisotropy in the optical loss near the infrared wavelength. The porous alumina film was prepared by anodizing aluminum, and then silver was electrodeposited into pores of alumina film by using alternating current. Silver nanowires are parallel to each other in the pores of the alumina film. Spectrophotometer measurements show that anodic alumina film with silver nanowire arrays has an excellent polarization property in near infrared region. An extinction ratio of 30 dB and average insertion loss of 0.8 dB in the wavelength range 1-2.2 mum were obtained. The anodic alumina film with silver nanowires can be used as a novel polarizer
Sponsorship	IEEE Circuits and Syst. Soc. HKUST UESTC City Univ. of Hong Kong
Starting Page	1950
Ending Page	1954
File Size	5633159
Page Count	5
File Format	PDF
ISBN	0780395840
DOI	10.1109/ICCCAS.2006.285055
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical losses Silver Optical polarization Anisotropic magnetoresistance Wavelength measurement Aluminum Geometrical optics Nanowires Infrared spectra Optical films
Content Type	Text
Resource Type	Article

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