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The dispersion equation for electromagnetic waves guided by an open tape helix for the standard model of an infinitesimally thin and perfectly conducting tape is derived from an exact solution of aâ€¦ (More)

- Sanghamitro Das, H. M. Nguyen, Gnanamoorthi Naveen Babu, Ashwin K. Iyer
- IEEE Transactions on Antennas and Propagation
- 2015

A volumetric metamaterial lens exhibiting a negative refractive index (NRI) at C-band is designed and its free-space focusing properties are experimentally verified. The designed lens employs aâ€¦ (More)

The practically important case of a dielectric-loaded tape helix enclosed in a coaxial perfectly conducting cylindrical shell is analysed in this paper. The dielectric-loaded tape helix for guidedâ€¦ (More)

- N. Kalyanasundaram, Gnanamoorthi Naveen Babu
- 2011 IEEE International Vacuum Electronicsâ€¦
- 2011

The dispersion equation for free electromagnetic waves guided by an anisotropically conducting open tape helix is derived from the exact solution of a homogenous boundary value problem for Maxwell'sâ€¦ (More)

- I N. Kalyanasundaram, Gnanamoorthi Naveen Babu
- 2009

The dispersion equation for free electromagnetic waves guided by an anisotropically conducting open tape helix is derived from the exact solution of a homogenous boundary value problem for Maxwellâ€™sâ€¦ (More)

The approximate distribution of the current density induced on the tape surface by guided electromagnetic waves supported by an infinite open tape helix is estimated from an exact solution of aâ€¦ (More)

- Gnanamoorthi Naveen Babu, Richards Joe Stanislaus
- 2016 International Conference on Microâ€¦
- 2016

The tape helix slow wave structures used in travelling wave tube (TWT) amplifiers are exploited for use as radiating devices through the fast wave analysis. The dispersion equation is derived fromâ€¦ (More)

- N. Kalyasundaram, Jasmine Saini, Gnanamoorthi Naveen Babu
- 2011 IEEE International Vacuum Electronicsâ€¦
- 2011

The corrected dispersion relation governing the linear interaction of a TE mode in a circular cylindrical wave guide with an annular beam of gyrating electrons in a gyro-TWT configuration is derived.â€¦ (More)

- Gnanamoorthi Naveen Babu, Richards Joe Stanislaus, Sandeep K. Joshi
- IEEE International Vacuum Electronics Conference
- 2014

The practically important case of dielectric loaded tape helix enclosed in a perfectly conducting coaxial conductor is analysed in this paper. The dispersion equation for the infinitesimally thin andâ€¦ (More)

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