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Proceedings Paper

Photochromic processes for high-density optical storage
Author(s): P. S. Ramanujam; Rolf H. Berg
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Paper Abstract

We describe a photodimerization process in organic thin films, for high capacity optical storage in the blue and UV. Neighboring molecules attached through a short peptide chain can be made to undergo cycloaddition. Preliminary experiments performed with anthracene and thymine dipeptides at 360 and 257 nm respectively show that the photo-induced change in absorption is stable both at room temperature, and at elevated temperatures. Very good optical quality films of the monomers can be fabricated.

Paper Details

Date Published: 16 September 2003
PDF: 7 pages
Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); doi: 10.1117/12.532514
Show Author Affiliations
P. S. Ramanujam, Risoe National Lab. (Denmark)
Rolf H. Berg, Risoe National Lab. (Denmark)


Published in SPIE Proceedings Vol. 5069:
Optical Data Storage 2003
Michael O'Neill; Naoyasu Miyagawa, Editor(s)

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