Digital Optical Recorders At 5 Mbit/S Data Rate

R. McFarlane; G. Blom; A. Chan; S. Chandra; E. Frankfort; G. Kenney; D. Lou; J. Nadan; J. Hafner

doi:10.1117/12.7973003

1 October 1982 Digital Optical Recorders At 5 Mbit/S Data Rate

R. McFarlane, G. Blom, A. Chan, S. Chandra, E. Frankfort, G. Kenney, D. Lou, J. Nadan, J. Hafner

Author Affiliations +

Optical Engineering, Vol. 21, Issue 5, 215913 (October 1982). https://doi.org/10.1117/12.7973003

Abstract

Five optical disk recorder/readers were developed, each having an on-line user storage capacity of 101° user bits per disk side. The advantages of optical recording, as compared to magnetic-tape recording, are improved archival life, low cost media, and rapid random access capabilities. Recording at a 5 Mbit/s user data rate is done by laser machining of micron-sized holes in a thin tellurium alloy film allowing direct-read-after-write recording of information. Coding and error correction reduce the user error rate to 10-1°. The recorders have been interfaced to DEC PDP-11 minicomputers and for test purposes to a SEL 32/77 computer.

Citation Download Citation

R. McFarlane, G. Blom, A. Chan, S. Chandra, E. Frankfort, G. Kenney, D. Lou, J. Nadan, and J. Hafner "Digital Optical Recorders At 5 Mbit/S Data Rate," Optical Engineering 21(5), 215913 (1 October 1982). https://doi.org/10.1117/12.7973003

Published: 1 October 1982

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