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The Leader in Innovative Optical Metrology

4D has redefined the applications and environments that can benefit from the speed and resolution of laser interferometers. Dynamic Interferometry®, the technology behind many of our products, ensures excellent performance in difficult environments, without vibration isolation or extensive air turbulence control.

4D laser interferometry products are sold as turnkey measurement systems, including installation, training, the latest computer hardware, and industry-leading 4Sight data analysis and visualization software. All 4D systems are backed with a comprehensive warranty and a professional service team. Browse our products and services below and/or contact our knowledgeable,worldwide sales team for assistance with your specific measurement needs.

AccuFiz
Compact Fizeau laser interferometer for shop floor quality control and verification of optical components and systems.
AccuFiz Fizeau interferometer to measure optical surfaces, homogeneity, flats, concave lenses, convex lenses, windows, laser rods, prism

NanoCam Sq
Portable, microscope-based, dynamic optical profilometer for measuring surface roughness of large and small optics, and nano-topology of precision components, despite vibration and turbulence.

FizCam dynamic Fizeau interferometer to measure optical surfaces, homogeneity, flats, concave lenses, convex lenses, windows, laser rods, prism

PhaseCam
Dynamic Twyman-Green interferometers for measuring large diameter mirrors and optical systems even in extreme environments such as vacuum chambers, over long measurement paths, adaptive optics, etc.
PhaseCam dynamic Twyman Green interferometer for measurement of telescope optics, satellite optics, optics for directed energy systems

FizCam
Dynamic Fizeau laser interferometers for measuring large flats, remote cavities or multi-surface systems, all despite vibration, air turbulence or long paths.
FizCam dynamic Fizeau interferometer to measure optical surfaces, homogeneity, flats, concave lenses, convex lenses, windows, laser rods, prism

PolarCam Micropolarizer Cameras
Small, fast, field-proven sensors for a wide range of image enhancement techniques and polarimetric measurements.
FizCam dynamic Fizeau interferometer to measure optical surfaces, homogeneity, flats, concave lenses, convex lenses, windows, laser rods, prism

4Sight Data Analysis Software
for advanced data analysis, transformation and visualization.
4Sight (4 Sight) wavefront analysis software offers industry-leading analysis and visualization

Custom Solutions
For difficult environments, complex setups and one-of-a-kind measurement challenges.
ESPI (SpeckleCam) for measuring change of shape of large, diffuse surfaces and structures

4D Upgrade Kits
Greatly improve performance of laser interferometers from Buccini, Zygo, ADE-Phase Shift, Bruker (Veeco, Wyko), and more.
Software and hardware upgrades greatly improve performance of Wyko, Zygo, ESDI and other manufacturers’ systems

3280 E Hemisphere Loop, Ste 146, Tucson, AZ 85706    Tel: +1 (520) 294-5600    Fax: +1 (520) 294-5601