Single frequency laser source for optical data storage system

Details Single frequency laser source for optical data storage system Single frequency laser source for optical data storage system

2005-02-01

2005-02-01

Hindi, Nabil (Department: 2655)

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

C369S119000

Reexamination Certificate

active

06850475

ABSTRACT:
An optical data storage system utilizes optical fibers for transfer of information to and from storage media. The storage media includes magneto-optical storage disks. The optical fibers are single-mode polarization maintaining optical fibers. A single frequency laser diode provides a source of polarized light. Accordingly, a polarization state conveyed by the polarization maintaining optical fiber is accurately reproduced with reduced noise, as compared to use of a Fabry-Perot laser diode.

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