Join 4D Technology at Booth #1355 at SPIE Photonics West 2026- the world’s largest photonics technologies event!

See live demonstrations of our latest vibration & turbulence immune metrology innovations, including the industry-leading PhaseCam interferometer, the AccuFiz Duo short  & long coherence Fizeau interferometer, and the new automated 4Di InSpec SR surface roughness gauge – a PRISM award finalist! You can also learn about our latest performance enhancements for our IR interferometry product suite (NIR, SWIR, MWIR, LWIR).