Jan 14, 2019 | How-To, News
Measuring Curved and Round Surfaces with the 4D InSpec APPLICATION NOTE: 4D InSpec depends on diffuse reflected light to image the surface. In ordinary use, the light source and imaging system are angled to brightly illuminate the surface, producing a strong diffuse...
Jan 3, 2019 | News, Products
The New On-Axis Dynamic AccuFiz Fizeau When 4D Technology’s AccuFiz interferometers’ patented dynamic mode was introduced, their spatial-phase-shifting technique provided an amazing capability. The stability requirements (sensitivity to vibration) for a measurement...
Nov 16, 2018 | How-To, News
Measuring Transparent, Flat or Shiny Surfaces with the 4D InSpec APPLICATION NOTE: While 4D InSpec can measure a great many surfaces, it’s challenging when the surface is very shiny, or when the material is thin and/or transparent. As part of our commitment to...
Oct 4, 2018 | How-To, News
Using Reference Masks with 4D InSpec Jared Wheeler, 4D Application Engineer, explains why you might want to use one or more reference masks when you’re evaluating your data. A reference mask tells the software to use a particular area on the plot as the zero...
Feb 19, 2018 | News, Videos
Video: Measure Radius of Curvature with the 4D InSpec This video shows how to measure radius of curvature using 4D Technology 4D InSpec Surface Gauge. Measure small and medium radii, and measure blend radius at multiple locations and directions. UPDATE (July 2019): To...
