Aerospace, Astronomy & Defense
Aerospace and defense contractors rely on 4D dynamic laser interferometers and optical profilers for accurate measurement of optics, optical systems and structures.
4D's vibration-insensitive laser interferometers play a critical role in space-based telescope programs. These systems make environmental chamber testing (at cryo-vacuum temperatures and pressures) possible, helping ensure excellent performance of satellite optics upon deployment. At visible, near-infrared and infrared wavelengths, a 4D dynamic laser interferometer ensures reliable performance of optics for critical roles in surveillance, tracking and directed energy.
4D Optical Surface Profilers can be mounted in situ in polishing equipment, on robotic arms, on gantries or directly on large optics to measure surface roughness on supersmooth and smooth optics.
The 4D InSpec Surface Gauge provides inspectors with handheld, high resolution measurement of surface defects and fine features. Measure defects such as corrosion and scratches, as well as fine features such as rivet depth, edge break and laser marking, with unprecedented accuracy and repeatability.
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