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Optical Engineering

Cable television transmission over a 1550-nm infrared indoor optical wireless link
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Paper Abstract

We experimentally demonstrate transmission of cable television (CATV) radio frequency signals over a pointed indoor optical wireless link. The length of the optical link was 15 m. Collimators used at both the transmitter and the receiver sides required good alignment before sufficient optical power could be received. The system was placed at a height of 2 m, which is more than average human height, so human movements throughout the room did not obstruct the link. The optical wireless propagation path was almost lossless. The originality in this experimental demonstration is the transmission of full range of CATV signals compared to other works in this area. This experiment of radio over free-space optics showed that point-to-point indoor optical wireless links can be utilized as an alternative means for transmission of multimedia data.

Paper Details

Date Published: 14 October 2013
PDF: 4 pages
Opt. Eng. 52(10) 100503 doi: 10.1117/1.OE.52.10.100503
Published in: Optical Engineering Volume 52, Issue 10
Show Author Affiliations
M. I. Sakib Chowdhury, The Pennsylvania State Univ. (United States)
Mohsen Kavehrad, The Pennsylvania State Univ. (United States)
Weizhi Zhang, The Pennsylvania State Univ. (United States)

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