Surface-enhanced Raman optical data storage (SERODS): principle of a new optical data storage system

Tuan Vo-Dinh

doi:10.1117/12.190177

12 October 1994 Surface-enhanced Raman optical data storage (SERODS): principle of a new optical data storage system

Tuan Vo-Dinh

Proceedings Volume 2338, 1994 Topical Meeting on Optical Data Storage; (1994) https://doi.org/10.1117/12.190177
Event: Optical Data Storage '94, 1994, Dana Point, CA, United States

Abstract

This paper describes the basic principle of a new approach for large- memory optical disk storage based on the Surface-Enhanced Raman Optical Data Storage (SERODS) technology. With the SERODS technology, the molecular interactions between the optical layer molecules and the substrate are modified by the writing laser, changing their surface- enhanced Raman scattering (SERS) emitting properties, so that they are encoded to store information as bits. Since the SERS-emitting properties are extremely sensitive to molecular microenvironments (enhancement up to a million fold), lower laser energies (shorter pulses and/or faster rate) and much smaller 'molecular holes' are required for the writing process. A reading laser with much lower energy than the writing laser, and a photometric detector tuned to the frequency of the Raman emissions, are used to retrieve the stored information. The SERODS technology has great potential to offer several advantages including high storage density, unique spectral features of the encoded signals three-dimensional storage capability.

Citation Download Citation

Tuan Vo-Dinh "Surface-enhanced Raman optical data storage (SERODS): principle of a new optical data storage system", Proc. SPIE 2338, 1994 Topical Meeting on Optical Data Storage, (12 October 1994); https://doi.org/10.1117/12.190177

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