Electromagnetic field model for optical-disk signal analysis

Liviu Singher; Joseph Shamir; Andrei Brunfeld

doi:10.1117/12.22265

1 July 1990 Electromagnetic field model for optical-disk signal analysis

Liviu Singher, Joseph Shamir, Andrei Brunfeld

Proceedings Volume 1319, Optics in Complex Systems; (1990) https://doi.org/10.1117/12.22265
Event: 15th International Optics in Complex Systems, 1990, Garmisch, Germany

Abstract

The reading signal of an optical disk relays on phase, amplitude and/or polarization changes induced on a focused coherent light beam at the written (stored) domain boundaries (data) [1, 2, 3]. The interaction of light with these storage media are usually treated under the assumption of plane wave illumination since an exact mathematical analysis of focused beams is quite difficult [4]. In this work we show that very useful results can be obtained by solving the scalar diffraction integral in the vicinity of a complex step function.

Citation Download Citation

Liviu Singher, Joseph Shamir, and Andrei Brunfeld "Electromagnetic field model for optical-disk signal analysis", Proc. SPIE 1319, Optics in Complex Systems, (1 July 1990); https://doi.org/10.1117/12.22265

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