Biao Wang et al 2007 Nanotechnology 18 365601 doi:10.1088/0957-4484/18/36/365601
Biao Wang, Guang Tao Fei, Min Wang, Ming Guang Kong and Li De Zhang
Show affiliationsPhotonic crystals made of air pores in anodic alumina were prepared by electrochemical oxidation of aluminium and subsequent chemical etching. Optical photographs and transmission spectra prove the existence of a photonic band gap in the optical sprectrum for this porous material. The colour of the sample and the diffraction peak position in the transmission spectra could easily be adjusted in the chemical etching process. This method could provide a possible approach to producing large-area optical photonic crystals cheaply and rapidly.
81.20.Ka Chemical synthesis; combustion synthesis
82.45.Aa Electrochemical synthesis
42.70.Qs Photonic bandgap materials
Surfaces, interfaces and thin films
Optics, quantum optics and lasers
Issue 36 (12 September 2007)
Received 29 May 2007, in final form 2 July 2007
Published 10 August 2007
Biao Wang et al 2007 Nanotechnology 18 365601
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