Eta450 Ultra Array

Multichannel Optical Microphone

A sensor array containing 8 optical microphones in a single head. The array is suitable for high-speed, non-contact ultrasound NDT. The array is best combined with XARION’s line-profile excitation laser unit for ultrasound signal generation.


  • Membrane-free optical microphone linear array
  • Compact sensor head
  • Eight channels with 2 mm pitch
  • Custom channel number and pitch available on request