I suppose that can be achieve with some class of liquid crystals embedded
in a polymer medium.  The problem is that is the representation in the near
field or just a plane (cross section).

I will prefer a none intrusive gas or vapour that will 'glow' at different
field intensity and colour, very much like a corona or  aurora.  :-)  Now
we can have a glass tank 'gas chamber' within an anechoic chamber to
evaluate the field strengths in 3D.  Then the argument will be that there
will be different gasses for different frequent frequency ranges ;-)  Just
think about the possible effect on the environment.

Dreams comes true when we want them to...


Tim Foo,
(or just call me 'Tim')
                                   E-mail:  [email protected]
ECE, School of Engineering,
http://www.np.edu.sg/ece/                          Tel: + 65 460 6143
Ngee Ann Polytechnic,                              Fax: + 65 467 1730
535 Clementi Road,
Singapore 599489



                                                                                
                                                    
                    "Doug McKean"                                               
                                                    
                    <[email protected]        To:     "EMC-PSTC Discussion 
Group" <[email protected]>                
                    m>                             cc:     (bcc: Wan Juang 
Foo/ece/staff/npnet)                                     
                    Sent by:                       Subject:     Re: EMI sniffer 
goggles                                             
                    owner-emc-pstc@majordom                                     
                                                    
                    o.ieee.org                                                  
                                                    
                                                                                
                                                    
                                                                                
                                                    
                    08/08/01 05:18 AM                                           
                                                    
                    Please respond to "Doug                                     
                                                    
                    McKean"                                                     
                                                    
                                                                                
                                                    
                                                                                
                                                    





Okay, here's what I'd like to have ...

Translucent material which is color responsive to emi.
Similar to the material on the side of batteries which
responds to voltage levels.

A pane of translucent material which can be put on the
end of a stick much like a pane of glass or a pane of
of it which could be stood from a floor support next
to the product and show a pattern of emi strengths
by color.

Or, a thin sheet of it much like plastic wrap which can
be placed on a part of a product (such as a surface or
edge) which would also respond to field strength.

<snip>







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