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A question about the EM spectrum

  1. Sep 4, 2015 #1
    I was looking around for information on the electromagnetic spectrum, but I have found some sources saying there is a new part of it called "terahertz", which would be between infrared and microwave. I have found some sources, but I don't really believe them so. Here are some sources of what I found.

    http://www.lightsources.org/terahertz-radiation-or-t-rays

    http://www.teraview.com/about/what-is-terahertz-thz.html

    http://www.teraphysics.com/understanding-thz.php [Broken]

    http://www.dlr.de/pf/Desktopdefault.aspx/tabid-833/1333_read-2400/

    So, just to make sure, is this actually legit, or is it fake? I am curious.
     
    Last edited by a moderator: May 7, 2017
  2. jcsd
  3. Sep 4, 2015 #2

    Borg

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  4. Sep 4, 2015 #3
    Okay then. Just wanted to make sure. Thanks. I asked some other guy and he said it was just a frequency. Apparently, he did not know about the radiation.

    Say, when was Terahertz radiation labeled as part of the EM spectrum?
     
  5. Sep 4, 2015 #4

    Borg

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  6. Sep 4, 2015 #5
    I was looking for an exact year. Based on what I have read, was it labeled within the last two years?

    EDIT: Never mind.
     
  7. Sep 4, 2015 #6

    Borg

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    Confused "harnessing the spectrum" with knowing it's there? :oldsmile:
     
  8. Sep 4, 2015 #7
    It's okay. I got it.
     
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