Title :
Digital diffractive optical memories
Author :
Ramenah, H. ; Bertrand, P. ; Soubari, E.H. ; Meyrueis, P.
Author_Institution :
Photonics Syst. Lab., Louis Pasteur Univ., France
Abstract :
We show that the possibility of storing more informations within a decreased volume is now opened. This is due mainly to the recording material we have used which is an improved polypeptide of dichromated gelatin. The input digital information is recorded and a diffractive digital image is reconstructed. The percentage of pixels error detection is less than 1% when decoded. We recorded a matrix form memory of n×m×p where n and m are rows and columns of the matrix and p the number of multiplexes. In this paper n=m=10 and p=20, for a 25 μm thickness of the recorded medium. The diffraction efficiency uniformity is demonstrated
Keywords :
light diffraction; optical storage; dichromated gelatin; diffraction efficiency; digital diffractive optical memory; information storage; matrix form memory; multiplexed image reconstruction; pixel error detection; polypeptide; recording material; Holographic optical components; Holography; Image reconstruction; Material storage; Mirrors; Optical crosstalk; Optical diffraction; Optical materials; Optical recording; Optical sensors;
Conference_Titel :
Electronics, Circuits, and Systems, 1996. ICECS '96., Proceedings of the Third IEEE International Conference on
Conference_Location :
Rodos
Print_ISBN :
0-7803-3650-X
DOI :
10.1109/ICECS.1996.582932
