Introduction to Optical Wireless communicaitons - Northumbria ...
Introduction to Optical Wireless communicaitons - Northumbria ...
Introduction to Optical Wireless communicaitons - Northumbria ...
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His<strong>to</strong>ry of <strong>Optical</strong> Communication<br />
• Alexander Graham Bell 1878 more<br />
than 25 years before Reginald<br />
Fessenden did the same thing<br />
with radio 1 .<br />
Diagram of pho<strong>to</strong>phone from Bell paper 1<br />
• Development of LASER in 60’s, optical fibre and semiconduc<strong>to</strong>r has made the<br />
modern communication possible.<br />
• The modern era of indoor wireless optical communications was proposed in<br />
1979 by F.R. Gfeller and U. Bapst 2 . In fact it was the first LAN proposed using<br />
any medium.<br />
1<br />
Alexander Graham BELL, American Journal of Sciences, Third Series, vol. XX, no.118, Oct. 1880, pp. 305- 324.<br />
2<br />
F. R. Gfeller and U. Bapst, Proceedings of the IEEE, vol. 67, pp. 1474- 1486, 1979.
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