by Curry, R.J., Birtwell, S.W., Mairaj, A.K., Feng, X., Hewak, D.W.
Published in Journal of non-crystalline solids (15.03.2005)

by Birtwell, S. W., Broder, G. R., Roach, P. L., Morgan, H.
Published in Biomedical microdevices (01.08.2012)

by Galitonov, G, Birtwell, S, Zheludev, N, Morgan, H
Published in Optics express (20.02.2006)

by Birtwell, S.W., Galitonov, G.S., Morgan, H., Zheludev, N.I.
Published in Optics communications (01.04.2008)

by BIRTWELL, S. W, GALITONOV, G. S, MORGAN, H, ZHELUDEV, N. I
Published in Optics communications (2008)