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...
Nov 11, 2018 | How-To, Products
Measuring up to NASA’s James Webb Space Telescope Measuring optics for space-based optical systems, like the James Webb Space Telescope, comes with a high risk-profile. After all, it’s difficult to get systems into space, and once deployed, it can be very hard to make...
Nov 8, 2018 | Products, Videos
Fizeau Continuous Zoom Interferometer A Fizeau Interferometer that has continuous OPTICAL zoom breakthrough. They said it couldn’t be done, but here’s a quick demonstration of the 4D Technology Accufiz with zoom option. Benefits: use one interferometer for...
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...
