Sep 4, 2025 · Industry standard for precision and innovation: vibration-insensitive 3D measurement 4D Technology is the leader in high-resolution surface, geometry and wavefront …

Tap the creativity and expertise of our team to solve your metrology challenges. 4D custom interferometers and laser interferometers overcome difficult environments, complex setups …

For over 20 years, 4D Technology has been a leader in innovative metrology products for measuring surface quality and surface defects on precision surfaces, as well as the surface …

4D Technology has been the innovator in metrology for optics and precision surfaces for over 20 years. Our patented Dynamic Interferometry introduced an entire class of vibration-immune …

4D Technology is a leader in innovative metrology products for measuring surface quality and surface defects on precision surfaces, as well as the surface and wavefront quality of optics. …

4D InSpec is the first precision instrument for non-contact surface defect measurement. Micrometer-level resolution, measurement in seconds, and immunity to vibration make it the …

4D Technology pioneered the use of Dynamic Interferometry and has been the major innovator in the field for nearly two decades. 4D holds multiple US and international patents on the …

Whether you require a highly repeatable test rig for production measurement or a complex setup for a unique measurement, 4D mounts and accessories will help you maximize measurement …

4D Technology’s metrology products are the industry standard for a wide range of measurements in precision optics, ranging from ophthalmic lenses to the world’s largest telescope mirrors.

4D Technology interferometers have been instrumental in the development and testing of the most innovative ground- and spaced-based telescopes. Learn how 4D has paved the way for …