Photochromic processes for high density optical storage

P. S. Ramanujam; Rolf H. Berg

doi:10.1117/12.532514

16 September 2003 Photochromic processes for high-density optical storage

P. S. Ramanujam, Rolf H. Berg

Proceedings Volume 5069, Optical Data Storage 2003; (2003) https://doi.org/10.1117/12.532514
Event: Optical Data Storage 2003, 2003, Vancouver, Canada

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.

Citation Download Citation

P. S. Ramanujam and Rolf H. Berg "Photochromic processes for high-density optical storage", Proc. SPIE 5069, Optical Data Storage 2003, (16 September 2003); https://doi.org/10.1117/12.532514

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