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Measuring in Hostile environments with Dynamic interferometry

Have you wondered how Dynamic Interferometry is different from other interferometry?

Have you heard about some of the amazing technologies that have become possible through dynamic interferometry — things like the photos of Mars by the HiRISE space exploration probe.

Webcast on Dynamic Interferometry

This month, co-founder of 4D Technology, Neal Brock, gave a webcast on Dynamic Inteferometry. In it he explains:

  • How it works
  • How dynamic interferometry is different from other interferometry
  • Things that it has been used for

It’s an eye-opening presentation. Laser Focus World has the broadcast in full, recorded at the link below (requires registration). Watch it now.

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Products for Aspheric Optics

AccuFiz 6 MPx

The high resolution 6 megapixel AccuFiz Fizeau interferometer can measure steeper slopes, making it your best suited option for working with aspheres.


4D PhaseCam Twyman-Green interferometers are the industry choice for measuring concave spherical optics, from several millimeters to tens of meters in diameter.

Do you need custom-built metrology?

Get a free consultation. 4D Technology’s mechanical, optical, electrical and software engineering teams are standing by to evaluate what it would take to meet your application’s requirements.

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