A high directivity broadband corrugated horn for W-band gyro-devices

Paul McElhinney; Craig R. Donaldson; Liang Zhang; Wenlong He

doi:10.1109/TAP.2012.2228840

A high directivity broadband corrugated horn for W-band gyro-devices

Paul McElhinney, Craig R. Donaldson, Liang Zhang, Wenlong He

Research output: Contribution to journal › Article › peer-review

55 Citations (Scopus)

Abstract

A quasi-optical mode converter in the form of a corrugated horn has been designed through numerical simulations, manufactured and experimentally measured for application in W-band gyro-devices. This horn converts a cylindrica TE11 mode into a free space TEM00 mode in a frequency band of 84-104 GHz with a reflection better than -30 dB, a Gaussian coupling efficiency of similar to 98% and directivity of 26.6 dB at 95 GHz. The small beam waist makes such a horn ideal for use with a depressed collector system. The measured results are in excellent agreement with the numerical simulations.

Original language	English
Pages (from-to)	1453-1456
Number of pages	5
Journal	IEEE Transactions on Antennas and Propagation
Volume	61
Issue number	3
DOIs	https://doi.org/10.1109/TAP.2012.2228840
Publication status	Published - Mar 2013

Keywords

high directivity
broadband
corrugated horn
w-band gyro-devices

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10.1109/TAP.2012.2228840

Cite this

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abstract = "A quasi-optical mode converter in the form of a corrugated horn has been designed through numerical simulations, manufactured and experimentally measured for application in W-band gyro-devices. This horn converts a cylindrica TE11 mode into a free space TEM00 mode in a frequency band of 84-104 GHz with a reflection better than -30 dB, a Gaussian coupling efficiency of similar to 98% and directivity of 26.6 dB at 95 GHz. The small beam waist makes such a horn ideal for use with a depressed collector system. The measured results are in excellent agreement with the numerical simulations.",

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AB - A quasi-optical mode converter in the form of a corrugated horn has been designed through numerical simulations, manufactured and experimentally measured for application in W-band gyro-devices. This horn converts a cylindrica TE11 mode into a free space TEM00 mode in a frequency band of 84-104 GHz with a reflection better than -30 dB, a Gaussian coupling efficiency of similar to 98% and directivity of 26.6 dB at 95 GHz. The small beam waist makes such a horn ideal for use with a depressed collector system. The measured results are in excellent agreement with the numerical simulations.

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A high directivity broadband corrugated horn for W-band gyro-devices

Abstract

Keywords

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Gyrotron Travelling Wave Amplifier for high field Electron Paramagnetic Resonance

High Power MM And Sub-MM Wave Amplifiers For High Frequency ESR/DNP, High Resolution Radar and Remote Sensing

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A high directivity broadband corrugated horn for W-band gyro-devices

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Projects

Gyrotron Travelling Wave Amplifier for high field Electron Paramagnetic Resonance

High Power MM And Sub-MM Wave Amplifiers For High Frequency ESR/DNP, High Resolution Radar and Remote Sensing

Cite this