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  • SPIE Photonics West 2025

    Moscone Center, San Francisco, CA 747 Howard St, San Francisco, CA, United States

    Join 4D Technology at Booth #1849 at SPIE Photonics West - 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 coherence, on-axis dynamic Fizeau interferometer with an additional long coherence source, the NanoCam automated optical surface gauge, […]

  • Asia Photonics Expo 2025

    Come see 4D Technology's optical interferometers at our distributor Dymek Asia's stand no. B314 in Singapore!

  • PB Expo 2025

    Miami Beach Convention Center Miami Beach, FL, United States

    Join us in booth #944 to learn about our latest optical, non-contact, and portable 3D innovations in micron-level defect and geometry measurement technologies.

  • Precision Machining Technology Show (PMTS)

    Huntington Convention Center Cleveland, OH, United States

    Join us in booth #5109 to learn about our latest optical, non-contact, and portable innovations in defect, geometry, and surface roughness measurement technologies.

  • Webinar: Shop Floor Surface Finish Measurement with 3D Optical Gauges

    Join us on Wednesday, April 2, 2025, from 12:00 p.m. to 1:00 p.m. EST, to learn how you can take advantage of our rugged, portable roughness system to provide 3D surface finish measurements with nanometer resolution right on the shop floor.  REGISTER > Until now, companies have typically relied on 2D stylus-based systems or expensive, […]

  • MRO Americas 2025

    Georgia World Congress Center Atlanta, GA, United States

    Join us in booth #4922 to learn about our latest optical, non-contact, and portable innovations in defect, geometry, and surface roughness measurement technologies.

  • The Quality Show 2025

    Music City Center Nashville, TN, United States

    Join us in booth #101 to learn about our latest optical, non-contact, and portable innovations in defect, geometry, and surface roughness measurement technologies.

  • SPIE Optics + Photonics

    Join us in booth #712 to learn about our latest optical metrology technologies.

  • MRO Europe

    Join us in London in booth #3907 to learn about our latest innovations in handheld, portable, and automated defect and feature measurement 3D optical gauges!

  • SPIE Photonics West 2026

    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 […]