Coherent optical modulation for antenna remoting

Daniel J. Fitzmartin; Robert G. Gels; Edmund J. Balboni

doi:10.1117/12.45560

1 August 1991 Coherent optical modulation for antenna remoting

Daniel J. Fitzmartin, Robert G. Gels, Edmund J. Balboni

Proceedings Volume 1476, Optical Technology for Microwave Applications V; (1991) https://doi.org/10.1117/12.45560
Event: Orlando '91, 1991, Orlando, FL, United States

Abstract

A coherent fiber optic link employing wideband frequency modulation (FM) of the optical carrier is used to transfer radio frequency (RF) or microwave signals. This system is used to link a remotely located antenna to a conveniently located electronics processing site. The advantages of coherent analog fiber optic systems over non-coherent intensity modulated fiber optic analog transmission systems are described. An optical FM link employing an indirect transmitter to frequency modulate the optical carrier and a microwave delay line discriminator receiver is described. Measured performance data for a video signal centered at 60 MHz is presented showing the use of wideband FM in the link.

Citation Download Citation

Daniel J. Fitzmartin, Robert G. Gels, and Edmund J. Balboni "Coherent optical modulation for antenna remoting", Proc. SPIE 1476, Optical Technology for Microwave Applications V, (1 August 1991); https://doi.org/10.1117/12.45560

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