The UV and IR Interferometers offered by ZYGO are capable of interferometric optical testing from deep ultraviolet to far infrared.
Optical applications are wide and varied. Testing at design wavelength is essential for system qualification and final alignment. DVD, lithographic and infrared imaging lenses require testing at design wavelength and represent widely-varying wavelength requirements.
ZYGO has long been recognized as a world leader in interferometeric testing, and has designed and manufactured several specially-equipped interferometer systems. These interferometer systems meet the most challenging requirements, ranging from the deep ultraviolet to the far infrared. The company also produces reference optics (transmission flats and transmission spheres) for these wavelengths.
The table given below lists the various wavelengths that are currently offered for ZYGO interferometers.
| Wavelength |
Application |
| 266 nm |
General UV lens system testing, and higher precision testing needs |
| 355 nm |
General UV lens system testing, and higher precision testing needs |
| 405 nm |
Testing lenses used in DVD optical storage and audio-visual devices |
| 532 nm |
General testing applications, including lenses, optical surfaces, prisms, homogeneity, corner cubes, and more |
| 1053 nm |
Testing in laser fusion research |
| 1064 nm |
Military imaging systems testing, laser rod testing, general near IR optical testing needs |
| 1319 nm |
General near IR optical testing needs |
| 1550 nm |
Telecommunications optics testing |
| 3.39 µm |
General IR optical system testing |
| 10.6 µm |
Rough surface testing, IR optical system testing |