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Highest achievable compression frequency

  1. Nov 23, 2008 #1
    I am wondering what the upper limit for frequency is currently as far as audio signal generators go.

    Basically I want to know how high of a frequency I can get on a compression wave. I don't mean the theoretical limit based on the atomic spacing in the medium, but rather if I want to buy a signal generator (speaker) how high I will be able to get. Ultimately I am interested in creating a standing wave with very small widths for the compression region. I am thinking in the 10's to 100's of GHz but I don't know if such frequencies are realizable. I am suspecting that if it is going to be possible that piezoelectrics are going to be required.

    Can someone help me out? Thanks.
     
  2. jcsd
  3. Nov 24, 2008 #2
    Piezo materiels do have a very high potential frequency response. Even still, a thin ferromagnetic membrane could be better.
     
  4. Nov 24, 2008 #3
    do you have any idea of what frequencies could be achieved though? I am less interested in how it is done, just what can be done, or is anticipated being able to be done.
     
  5. Nov 25, 2008 #4
    Yeah, I don't know jeberd. Maybe some expert will jump in. If not, maybe you could re-phrase the question and post it in the General Physics section. I've had luck there.
     
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