Photonic band gap studies on periodic metallic structures in the microwave region

  1. Manoj K. Tiwari1,
  2. K. K. Gupta2,
  3. H. C. Gupta1,
  4. D. C. Dube1

Article first published online: 21 NOV 2002

DOI: 10.1002/mop.10644

Issue

Microwave and Optical Technology Letters

Microwave and Optical Technology Letters

Volume 35, Issue 6, pages 483–486, 20 December 2002

Additional Information

How to Cite

Tiwari, M. K., Gupta, K. K., Gupta, H. C. and Dube, D. C. (2002), Photonic band gap studies on periodic metallic structures in the microwave region. Microw. Opt. Technol. Lett., 35: 483–486. doi: 10.1002/mop.10644

Author Information

  1. 1

    Department of Physics, Indian Institute of Technology, New Delhi 110016, India

  2. 2

    Department of Electronic Science, University of Delhi South Campus, New Delhi 110021, India

Publication History

  1. Issue published online: 21 NOV 2002
  2. Article first published online: 21 NOV 2002
  3. Manuscript Received: 10 JUN 2002

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Keywords:

  • photonic band gap;
  • periodic structures;
  • microstrip

Abstract

We present our experimental findings on microstrip-type metallic photonic band gap (PBG) periodic structures prepared using a commercial aluminum foil. Effect of change in geometry of the periodic dielectric structure, namely, period, rectangular hole length, and defect on PBG, is studied. It is found that as the rectangular-hole-cut dimension decreases in terms of length, the lower edge of the band gap decreases toward the lower frequency side of the microwave region. It is also observed that as the defect length increases, the band gap edge again shifts toward the lower frequency side. These findings of band gap with air as substrate confirm the role of wave impedance in purely metallic periodic structures. © 2002 Wiley Periodicals, Inc. Microwave Opt Technol Lett 35: 483–486, 2002; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10644

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