The Surface Isolation Source is an optional, external laser source for 4D Technology AccuFiz Fizeau interferometers

4D Technology has announced the 4D InSpec Surface Gauge, the first handheld, non-contact instrument that measures precision machined surface defects and features with micrometer-level resolution

4D Technology Corporation, manufacturer of optical metrology systems, has introduced its newly improved AccuFiz compact laser interferometer for accurate, repeatable measurement of surface shape and transmitted wavefront quality

4D Technology Corporation, manufacturer of optical metrology systems, has introduced the FlexCam metrology module

4D Technology Corporation, manufacturer of optical metrology systems, has introduced its newly improved AccuFiz compact laser interferometer for accurate, repeatable measurement of surface shape and transmitted wavefront quality

4D Technology has introduced the 1,064nm PhaseCam 6000 for measuring near-infrared optics and optical systems, which has boasts an easy to position, fibre-coupled measurement head and motorised control

The 1,064nm PhaseCam 6000 from 4D Technology is a compact and lightweight Twyman-Green interferometer for measuring near-infrared optics and optical systems

4D Technology has introduced a suite of products for high quality, low cost measurement of 300mm diameter optics

4D Technology, manufacturer of optical metrology systems, has introduced the AccuFiz 6MP laser interferometer, for measuring steep slopes, aspheric surfaces and small diameter optics