Birefringence of nanoporous alumina: dependence on structure parameters

Autor:	V. A. Sokol, A. A. Lutich, Sergey V. Gaponenko, S. Volchek, V. A. Yakovtseva, M. B. Danailov
Rok vydání:	2006
Předmět:	Quantum optics Range (particle radiation) Birefringence Materials science Physics and Astronomy (miscellaneous) Nanoporous business.industry Alumina membranes General Engineering General Physics and Astronomy Spectral line Anode Optics Composite material Porosity business
Zdroj:	Applied Physics B. 84:327-331
ISSN:	1432-0649 0946-2171
DOI:	10.1007/s00340-006-2262-6
Popis:	We report on experimental and theoretical investigations of the birefringence of free-standing nanoporous anodic alumina membranes in the optical range. The value of birefringence is analyzed for the samples with different porosities by measuring polarization dependent transmission spectra at different angles of incidence. The experimental data are compared to the results of birefringence simulations in accordance with the modified Bruggeman effective-medium approximation. It is both experimentally and theoretically shown that the birefringence value increases with porosity increases in the low porosity region. The porous alumina samples under investigation possess the greatest value of birefringence (0.062) up to the present.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::efabe67b65b4cc73a6fdd3b7b6c3a1d9 https://doi.org/10.1007/s00340-006-2262-6 Zobrazit plný text záznamu Plný text ve formátu PDF