Solvent-Coated Organic Materials For High-Density Optical Recording

D. G. Howe; J. J. Wrobel

doi:10.1117/12.965681

17 June 1981 Solvent-Coated Organic Materials For High-Density Optical Recording

D. G. Howe, J. J. Wrobel

Proceedings Volume 0263, Optical Storage Materials; (1981) https://doi.org/10.1117/12.965681
Event: Optical Storage Materials, 1980, New York, United States

Abstract

Bilayer structures consisting of organic dye/polymer binder systems solvent-coated on reflective substrates are useful for real-time high-density optical recording. Information is recorded by using focused actinic light that is highly absorbed in the vicinity of the surface of the dye/binder layer. Recorded marks consist of steep-walled flat-bottomed depressions or "pits" that have depth designed to impart a phase shift of π /2 to a focused readout light beam having a wavelength at which the dye/binder layer is essentially transparent. The optical and physical characteristics of these structures that lead to good recording sensitivity and high levels of playback performance are discussed.

Citation Download Citation

D. G. Howe and J. J. Wrobel "Solvent-Coated Organic Materials For High-Density Optical Recording", Proc. SPIE 0263, Optical Storage Materials, (17 June 1981); https://doi.org/10.1117/12.965681

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