Broad-band microwave measurements with transient radiation from optoelectronically pulsed antennas

A broadband microwave measurement technique based on picosecond transient radiation from optoelectronically pulsed antennas is described. It is performed with exponentially tapered coplanar stripline antennas which are integrated with the photoconductive devices used for ultrafast pulse generation a...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1990-05, Vol.38 (5), p.615-621
Main Authors: Arjavalingam, G., Pastol, Y., Halbout, J.-M., Kopcsay, G.V.
Format: Article
Language:English
Subjects:
Antenna measurements
Applied sciences
Broadband antennas
Circuit properties
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Measurement techniques
Microwave antennas
Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits
Microwave devices
Microwave measurements
Microwave theory and techniques
Photoconducting devices
Pulse measurements
Stripline
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Description
Summary:A broadband microwave measurement technique based on picosecond transient radiation from optoelectronically pulsed antennas is described. It is performed with exponentially tapered coplanar stripline antennas which are integrated with the photoconductive devices used for ultrafast pulse generation and sampling. The signal analysis required for deriving the desired physical properties from the measured time-domain waveforms is discussed. This is a coherent technique that independently determines both the real and the imaginary parts of the dielectric constants of materials, from 10 to 130 GHz, in a single experiment. Some representative results are presented.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.54930