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Re: LF: Engineered Metamaterials Enable Remarkably Small Antennas

from [Graham] [Permanent Link][Original]
To: <[email protected]>
Subject: Re: LF: Engineered Metamaterials Enable Remarkably Small Antennas
From: "Graham" <[email protected]>
Date: Fri, 29 Jan 2010 20:56:36 -0000
Importance: Normal
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <[email protected]>
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Looks like they have re invented the near filed antenna as demonstrated at the Egham hfc a while ago .. 

G .

--------------------------------------------------
From: "Alberto di Bene" <[email protected]>
Sent: Friday, January 29, 2010 4:25 PM
To: <[email protected]>
Subject: Re: LF: Engineered Metamaterials Enable Remarkably Small Antennas



On 1/29/2010 10:30 AM, Rik Strobbe wrote:

Dear all,

have a look at
http://www.nist.gov/public_affairs/techbeat/tb2010_0126.htm#antenna .
They claim antennas with 95% efficiency and dimensions of only 2% of
the wavelength or less. But so only at VHF (300MHz) :-(

73, Rik  ON7YD - OR7T


A follow-on to the EH contraption ?

73  Alberto  I2PHD
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