Dr Erik Novak, senior director of business development at 4D Technology, will discuss the different aspects that need to be considered when selecting a Large Aperture Interferometer.
Keely Portway looks at some of the latest advances in light-based test and measurement techniques
The Surface Isolation Source is an optional, external laser source for 4D Technology AccuFiz Fizeau interferometers
Verifying the surface quality of optics has long relied on a visual, non-quantitative approach, finds Jessica Rowbury
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
