Portable Interferometer Enables Instantaneous Supersmooth Roughness Measurements
This new application note explores how 4D Technology’s NanoCam HD provides reliable, non-contact, 3D measurement of supersmooth optical surfaces.
Optical Metrology
Application: Measuring Segmented Mirrors
Segmented telescope mirrors consist of many smaller mirrors acting in concert to collect and focus light. These mirrors provide enormous savings in weight and dramatically reduce the requirements o
Vibration-Immune Metrology Drives Optical Communications
To keep pace with the growth of data-heavy applications, government and space agencies are investing heavily in free space laser communications. Using multiple wavelengths, laser sources can increa
Case Study: 4D Customer Highlights Advantages of PhaseCam
Dream Aerospace Systems: Interferometer Upgrade v7 Dream is proud to announce the upgrade of their 4D Technology interferometer. Dream uses this optical metrology technology (NASA-funded for James
Moxtek in Space: with the James Webb Space Telescope
MOXTEK collaborated with 4D Technology, to develop a wire-grid pixelated polariser for their dynamic laser interferometer which was used to measure the mirrors on NASA’s James Webb Space Telescop
Case Study – Measuring Space Optics and Structures
An overview of the techniques and configurations used to build dynamic interferometers and measurement results for a variety of space-based optical components. From our optical metrology partners,
New Product Range: 4D Technology
Introducin g our new partner, 4D Technology and their optical metrology range. We are stocking the full range of PhaseCam Twyman-Green and Accufiz Interferometers
