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An Optical to Wireless Data Link Using Radio Frequency Backscatter

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5 Author(s)
H. I. Cantu ; Physics Department, CEOT, Universidade do Algarve, Faro, Portugal ; C. N. Ironside ; A. E. Kelly ; B. Romeira
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The changes in the impedance of an antenna-coupled photo-detector under optical illumination are used to encode data on a backscattered wireless signal similarly to the standard techniques used for radio frequency identification and tagging. The effect is strong enough to allow retrieval of the information without requiring a dc supply at the optical to wireless interface.

Published in:

IEEE Microwave and Wireless Components Letters  (Volume:23 ,  Issue: 2 )