Published October 2004 | Version v1
Journal article Metadata-only

Evaluation of tapered slot antennas for use in multichannel reflectometers

Creators

  • 1. Department of Electrical Engineering, Graduate School of Engineering, Tohoku University, Aoba-yama 05, Sendai 980-8579 (Japan)

Description

We have evaluated a Fermi antenna newly designed in X band for use in a multichannel reflectometer. The Fermi antenna is a tapered slot antenna provided with both a Fermi-Dirac-function-type tapered slot structure and a corrugated structure along the antenna edge in order to improve radiation patterns of the linearly tapered slot antenna. We attained a 3 dB beam width of 32 deg. in the E plane and 37 deg. in the H plane at 12 GHz. By optimizing the stripline dimensions according to an equivalent circuit model, a bandwidth of 8-18 GHz with a voltage standing-wave ratio less than 2 is obtained. In the mockup experiments using a rotating metal cylinder, the experimental results are in good agreement with the predicted ones

Additional details

Identifiers

DOI
10.1063/1.1788831;

Publishing Information

Journal Title
Review of Scientific Instruments
Journal Volume
75
Journal Issue
10
Journal Page Range
p. 3843-3845
ISSN
0034-6748
CODEN
RSINAK

INIS

Country of Publication
United States
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
36083133
Subject category
S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
Descriptors DEI
ANTENNAS; BEAM PROFILES; ELECTRIC POTENTIAL; EQUIVALENT CIRCUITS; EVALUATION; GHZ RANGE 01-100; MOCKUP; PLASMA; PLASMA DIAGNOSTICS; STANDING WAVES
Descriptors DEC
ELECTRICAL EQUIPMENT; ELECTRONIC CIRCUITS; EQUIPMENT; FREQUENCY RANGE; GHZ RANGE; STRUCTURAL MODELS

Optional Information

Notes
(c) 2004 American Institute of Physics