Measure for measure
10 December 2018
Keely Portway looks at some of the latest advances in light-based test and measurement techniques
4D Technology
AccuFiz Surface Isolation Source
1 December 2016
The Surface Isolation Source is an optional, external laser source for 4D Technology AccuFiz Fizeau interferometers
Up to scratch?
1 December 2016
Verifying the surface quality of optics has long relied on a visual, non-quantitative approach, finds Jessica Rowbury
4D InSpec Surface Gauge
18 September 2016
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
AccuFiz Fizeau
21 May 2015
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
FlexCam
20 May 2015
4D Technology Corporation, manufacturer of optical metrology systems, has introduced the FlexCam metrology module
AccuFiz laser interferometer
20 March 2015
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
1,064nm PhaseCam 6000
10 June 2014
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
PhaseCam 6000
23 May 2014
The 1,064nm PhaseCam 6000 from 4D Technology is a compact and lightweight Twyman-Green interferometer for measuring near-infrared optics and optical systems
Measurement system for 300mm optics
11 April 2014
4D Technology has introduced a suite of products for high quality, low cost measurement of 300mm diameter optics
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