Novel digital optical tape recorder

William S. Oakley

doi:10.1117/12.230063

15 January 1996 Novel digital optical tape recorder

William S. Oakley

Proceedings Volume 2604, High-Density Data Recording and Retrieval Technologies; (1996) https://doi.org/10.1117/12.230063
Event: Photonics East '95, 1995, Philadelphia, PA, United States

Abstract

A novel very high performance digital optical tape recorder is described. Linear tape motion at 4.2 meters per second and simultaneous writing of about 80 parallel bit tracks with a data density of three bits per micron per track enables a data rate of 1,000 Megabits per second, sufficient for a data rate of 100 megabytes per second with error correction. One micron track to track spacing gives a data capacity of one Terabyte (1,000 GB) in a single '3480' style tape cartridge shell. A single beam from a frequency doubled, laser diode pumped, solid state (2X- LDP-SS) laser is split into a multiplicity of like beams, each of which is then independently modulated at 12.5 MHz for recording.

Citation Download Citation

William S. Oakley "Novel digital optical tape recorder", Proc. SPIE 2604, High-Density Data Recording and Retrieval Technologies, (15 January 1996); https://doi.org/10.1117/12.230063

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