A new type of optoelectronic millimeter-wave finline switches

A novel millimeter-wave finline switch constructed on teflon substrates, which can be easily fabricated and mounted, is proposed. The experimental results show that less than 2-dB insertion loss in the region of 26-40 GHz and 23.4 dB on/off ratio has been reached. Because of the switch's compat...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1992-12, Vol.40 (12), p.2392-2396
Main Authors: Xu, Deming, Song, Lie-Pu, Wu, Ke-Qin
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Circuits
Dielectric substrates
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Finline
Insertion loss
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Millimeter wave technology
Nonlinear optics
Optical control
Optical switches
Optical waveguides
Photoconductivity
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Summary:A novel millimeter-wave finline switch constructed on teflon substrates, which can be easily fabricated and mounted, is proposed. The experimental results show that less than 2-dB insertion loss in the region of 26-40 GHz and 23.4 dB on/off ratio has been reached. Because of the switch's compatibility with conventional finline structures, it will have a wide range of applications. A simple method to analyze its behavior is given, and it is shown to accurately predict the experimental results. A nonlinear relationship between the photoconductivity and the light power is given; it has been confirmed by experiment.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.179907