Transverse electromagnetic horn antenna with resistively-loaded exterior surfaces

Patent · Thu Dec 31 23:00:00 EST 1998

OSTI ID:872551

Aurand, John F ^[1]

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1. Edgewood, NM

An improved transverse electromagnetic (TEM) horn antenna comprises a resistive loading material on the exterior surfaces of the antenna plates. The resistive loading material attenuates or inhibits currents on the exterior surfaces of the TEM horn antenna. The exterior electromagnetic fields are of opposite polarity in comparison to the primary and desired interior electromagnetic field, thus inherently cause partial cancellation of the interior wave upon radiation or upon reception. Reducing the exterior fields increases the radiation efficiency of the antenna by reducing the cancellation of the primary interior field (supported by the interior surface currents). This increases the transmit gain and receive sensitivity of the TEM horn antenna, as well as improving the transient (time-domain) response.

• Research Organization: SANDIA CORP
• DOE Contract Number: AC04-94AL85000
• Assignee: Sandia Corporation (Albuquerque, NM)
• Patent Number(s): US 5959591
• OSTI ID: 872551
• Country of Publication: United States
• Language: English

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attenuates
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efficiency
electromagnetic
electromagnetic field
electromagnetic fields
exterior
exterior surface
exterior surfaces
field
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horn
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inherently
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partial
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primary
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receive
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supported
surface
surfaces
time-domain
transient
transmit
transverse
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