Title :
Multistate polarization addressing using one single beam in an azo polymer film
Author :
Kandjani, S. Ahmadi ; Barille, R. ; Dabos-Seignon, S. ; Nunzi, J.-M. ; Ortyl, E. ; Kucharski, S.
Author_Institution :
Lab. POMA, Univ. d´´Angers, Angers, France
Abstract :
Using an original optical process, we are able to photoinduce a surface relief grating (SRG) whose wave-vector direction depends on the light polarization only. The material used in this report is an efficient photoactive azo-polymer derivative. Thickness of the polymer films is around 1 μm, with absorbance equal to 1.6 at λ=476.5 nm-working wavelength. SRG are produced in a one step irradiation process in standard laboratory conditions. Typical laser beam intensity is 450 mW/cm2. We characterize the photoinduced SRG by diffraction studies and atomic force microscopy (AFM).
Keywords :
diffraction gratings; laser beams; light polarisation; optical polymers; polymer films; 476.5 nm; AFM; atomic force microscopy; azo polymer film; diffraction studies; laser beam intensity; light polarization; multistate polarization addressing; one step irradiation process; optical process; photoactive azo-polymer derivative; surface relief grating; wave-vector direction; Atomic force microscopy; Gratings; Laboratories; Optical films; Optical materials; Optical polarization; Optical polymers; Optical surface waves; Polymer films; Surface waves;
Conference_Titel :
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on
Print_ISBN :
0-7803-8974-3
DOI :
10.1109/CLEOE.2005.1567946
