A new way to describe diffraction from optical disks

Tomas D. Milster

doi:10.1117/12.280696

30 July 1997 A new way to describe diffraction from optical disks

Tomas D. Milster

Proceedings Volume 3109, Optical Data Storage 1997 Topical Meeting; (1997) https://doi.org/10.1117/12.280696
Event: Optical Data Storage Topical Meeting '97, 1997, Tucson, AZ, United States

Abstract

We describe an efficient decomposition of the diffraction pattern from optical disks that yields insight into the origin and characteristics of various signals. Babinet's Principle is used to separate components that describe the data signal, servo signals, and two types of crosstalk. The construction of a basis set is described that yields efficient calculation for optimization studies. Two media types are considered as examples. Several applications are also described, including an explanation for the origin of the differential phase detection tracking signal that is used with DVD-ROM media.

Citation Download Citation

Tomas D. Milster "A new way to describe diffraction from optical disks", Proc. SPIE 3109, Optical Data Storage 1997 Topical Meeting, (30 July 1997); https://doi.org/10.1117/12.280696

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