Welcome to 4D Technology Corporation

4D Technology is the leading manufacturer of Dynamic Interferometry products, providing accurate measurement of optical grade surfaces, even in the presence of vibration and air turbulence.

4D laser interferometers are used daily throughout the world in critical applications, from unique space-based projects to high throughput production. For optical testing, astronomy, satellite optics, directed energy and data storage, 4D is changing how and where interferometers are used.

New Products

• New! PhaseCam Near IR Interferometers
• New! Optical Mounting Components
• FizCam 3000 Dynamic Fizeau Interferometer

Latest News

• New! FizCam 2000 Video
• New! FizCam 3000 Video
• 4D Opens East Coast Office
• 4D Critical to JWST Mission

Upcoming Events

• SPIE Optics & Photonics, Aug 14-16, San Diego, CA