Abstract
Holographic gratings are recorded in azo-dye nitrobenzoxazole-labeled phospholipid thin films by use of 244-nm UV light. The gratings continue to grow for more than 1 h, even after the recording light is removed. The diffraction efficiency of these gratings shows extreme sensitivity to humidity and can increase reversibly by 2 orders of magnitude in air that is saturated with water vapor. This effect is related to the unique characteristics of phospholipid molecules that undergo hydration-dependent structural reorganization and self-assembly.
© 2005 Optical Society of America
Full Article | PDF ArticleMore Like This
A. Kassu, J. M. Taguenang, and A. Sharma
Opt. Lett. 33(15) 1656-1658 (2008)
Aschalew Kassu, Jean-Michel Taguenang, and Anup Sharma
Appl. Opt. 46(4) 489-494 (2007)
Yutaka Kawabe, Kodai Fukuzawa, Takuya Uemura, Katsufumi Matsuura, Toshio Yoshikawa, Jun-ichi Nishide, and Hiroyuki Sasabe
Appl. Opt. 51(27) 6653-6660 (2012)