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Novel Mode Conversion Technique of Helical Antenna using Cavity

Published on None 2011 by Vinitkumar Jayaprakash Dongre, B.K. Mishra
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International Conference and Workshop on Emerging Trends in Technology
Foundation of Computer Science USA
ICWET - Number 10
None 2011
Authors: Vinitkumar Jayaprakash Dongre, B.K. Mishra
4a876e57-4c34-4f23-80b2-bd2c0fbdea96

Vinitkumar Jayaprakash Dongre, B.K. Mishra . Novel Mode Conversion Technique of Helical Antenna using Cavity. International Conference and Workshop on Emerging Trends in Technology. ICWET, 10 (None 2011), 39-43.

@article{
author = { Vinitkumar Jayaprakash Dongre, B.K. Mishra },
title = { Novel Mode Conversion Technique of Helical Antenna using Cavity },
journal = { International Conference and Workshop on Emerging Trends in Technology },
issue_date = { None 2011 },
volume = { ICWET },
number = { 10 },
month = { None },
year = { 2011 },
issn = 0975-8887,
pages = { 39-43 },
numpages = 5,
url = { /proceedings/icwet/number10/2137-emdc17/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 International Conference and Workshop on Emerging Trends in Technology
%A Vinitkumar Jayaprakash Dongre
%A B.K. Mishra
%T Novel Mode Conversion Technique of Helical Antenna using Cavity
%J International Conference and Workshop on Emerging Trends in Technology
%@ 0975-8887
%V ICWET
%N 10
%P 39-43
%D 2011
%I International Journal of Computer Applications
Abstract

The condition for axial mode operation in helical antenna according to the classical design data is the helix circumference to wavelength ratio (C/λ) must be in a range of 0.8 to 1.2. In this paper the C/λ ratio is reduced to 0.2 for the wavelength 125 mm. It is achieved by loading the helix in a back cavity. The design concept of helical resonator filter is used for design of this antenna. If the same helix is used with 0.75 λ ground plane it operates in normal mode.

References
  1. J. D. Kraus, Antennas, 2nd ed., McGraw Hill: New York, 1988.
  2. H. Nakano, J. Yamauchi, and Y. Samada, “Power Gain of Helical Antennas,” 4th International Conference on Antennas and Propagation, April 1985, pp. 127-130.
  3. Zverev, Anatol I, “Handbook of Filter Synthesis”, McGraw Hill, 1969.
  4. Ming Yu, Van Dokas, “High performance helical resonator filters” IEEE 34th European Microwave Conference 2004, Volume 2, 13 Oct. 2004, pages: 989 – 992.
  5. Robert E. Colline, “Foundation for Microwave Engineering”, McGraw Hill, 1992.
  6. Antonije R. Djordjevic, Alenka G. Zajic, “Enhancing the gain of helical antennas by shaping the ground conductor”, IEEE Antennas and Wireless Propagation Letters, Vol. 5, 2006, pages: 138-140.
Index Terms

Computer Science
Information Sciences

Keywords

Helical antenna normal mode axial mode helical resonator quarter-wave transformer