Noncontact testing

  A noncontact testing technology of the hologram laser interferometer has been developed to show high speed, good resolution and wideband response.

 This method can be applied to inspect the defects in large-scale structure such as tunnels, and high temperature objects, etc.


Conceptual drawing of the tunnel inspection by lasers


A mobile system of the hologram laser interferometer  Reflective echoes from inner defect of concrete