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

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