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789 views
06:06 Apr-21-2000

Liviu Singher

R & D,
Technion,
Israel,
Joined Nov 1998
11
Acoustical Holography

I'm looking for companies or institutions who are using the
acoustical holography method as an inspection technique. Anybody
familiar with who is involved in this field?

Thankfully,
Liviu Singher



    
 
07:32 Apr-21-2000
Wieslaw Bicz
Re: Acoustical Holography

: I'm looking for companies or institutions who are using the
: acoustical holography method as an inspection technique. Anybody
: familiar with who is involved in this field?

: Thankfully,
: Liviu Singher

We are using acoustical holography in our devices.
The first such device is our fingerprint reader, that is probably the only working ultrasonic holographic camera of this kind (see please the following paper: http://www.optel.com.pl/article/english/article.htm).
Today we are working on the device, that should allow the visualisation of 3D objects. The results are very good with biological objects, but it is also possible to use this technique in NDT.
If you are interested in this topic - I can send you more information about it.

Wieslaw Bicz

Optel sp. z o.o. (http://www.optel.com.pl)




    
 
08:48 Apr-25-2000

Martin Schickert

R & D,
Institute for Materials Research and Testing,
Germany,
Joined Jan 2000
18
Re: Acoustical Holography We are using SAFT (Synthetic Aperture Focusing Technique) for ultrasonic inspection of mainly concrete.
SAFT is equivalent to broadband acoustical holography.



    
 


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