Application Notes - MMW Interferometers

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Millimeter-wave (MMW) interferometers consist of a transmitter source, a receiver, and a reference channel. The local oscillator (LO) for the receiver is derived from the same source as the transmitter. Specifically, this occurs either by splitting the power from a common oscillator or by phase-locking another oscillator to the transmitter source. 

Interferometers are specialized microwave measurement instruments. They are important for studies such as:

  • determining plasma density 
  • making radio astronomy observations
  • characterizing material properties
  • measuring complex dielectric constant (permitivity)
  • monitoring or characterizing processes in real-time 

 Click the link to learn more about MMW interferometers and QuinStar's capabilities in this area.