Lens-design issues affecting parallel readout of optical disks

Mark A. Neifeld; Mark McDonald

doi:10.1364/AO.34.005167

Lens-design issues affecting parallel readout of optical disks

Mark A. Neifeld, Mark McDonald

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

Lens designs are developed for parallel readout of data stored on optical disks. Optimizations of a single aspheric objective with standard wavelengths and numerical apertures are performed. These designs are evaluated for degree of parallelism achieved, improvement in aggregate data rate, source power requirements, and effect on head mass. We find that more than 225 channels and data rates of 4 Gbits/s can be supported with low-cost readout optics.

Original language	English (US)
Pages (from-to)	5167-5174
Number of pages	8
Journal	Applied optics
Volume	34
Issue number	23
DOIs	https://doi.org/10.1364/AO.34.005167
State	Published - Aug 1995

Keywords

Lens design
Optical data storage
Optical heads
Parallel readout

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.34.005167

Cite this

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title = "Lens-design issues affecting parallel readout of optical disks",

abstract = "Lens designs are developed for parallel readout of data stored on optical disks. Optimizations of a single aspheric objective with standard wavelengths and numerical apertures are performed. These designs are evaluated for degree of parallelism achieved, improvement in aggregate data rate, source power requirements, and effect on head mass. We find that more than 225 channels and data rates of 4 Gbits/s can be supported with low-cost readout optics.",

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AB - Lens designs are developed for parallel readout of data stored on optical disks. Optimizations of a single aspheric objective with standard wavelengths and numerical apertures are performed. These designs are evaluated for degree of parallelism achieved, improvement in aggregate data rate, source power requirements, and effect on head mass. We find that more than 225 channels and data rates of 4 Gbits/s can be supported with low-cost readout optics.

KW - Lens design

KW - Optical data storage

KW - Optical heads

KW - Parallel readout

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Lens-design issues affecting parallel readout of optical disks

Abstract

Keywords

ASJC Scopus subject areas

Access to Document

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