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PhaseCam NIR Interferometers
Jun 2008
4D Technology CorporationRequest Info
TUCSON, Ariz., June 16, 2008 -- 4D Technology Corp.'s new series of PhaseCam laser interferometers are designed for accurate surface and wavefront measurements at wavelengths of 1.053, 1.064, 1.3 and 1.55 µm.

PhaseCam laser interferometers employ a "dynamic" interferometry technology to acquire measurement data in less than 30 microseconds, 4D Technology said. Because acquisition time is so short, the instruments are insensitive to vibration and air turbulence, enabling use in difficult environments such as production floors, cleanrooms and environmental testing chambers. Beam ratio adjustment ensures maximum fringe contrast, enabling measurement of optics with reflectivity from 1 to 100 percent.

PhaseCam.jpgTurnkey PhaseCam near-infrared (NIR) systems include 4Sight advanced wavefront analysis software, providing extensive 2-D and 3-D analysis and visualization tools, as well as comprehensive filtering, masking, database and import/export functions.

Applications for PhaseCam NIR systems include measurement of optics for astronomy, surveillance, guidance and directed energy. The PhaseCam line provides accurate wavefront quality measurement of optical elements from deep ultraviolet through 10.6-µm infrared wavelengths, 4D Technology said.

For more information, visit:

4D Technology
3280 E Hemisphere Loop
Suite 146
Tucson, AZ 85706
Phone: (520) 294-5600
Toll Free: (800) 261-6640
Fax: (520) 294-5601


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The scientific observation of celestial radiation that has reached the vicinity of Earth, and the interpretation of these observations to determine the characteristics of the extraterrestrial bodies and phenomena that have emitted the radiation.
The study and utilization of interference phenomena, based on the wave properties of light.
Pertaining to optics and the phenomena of light.
The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
The ratio of the intensity of the total radiation reflected from a surface to the total incident on that surface.
In considering a field of electromagnetic energy emanating from a source, the wavefront is a surface connecting all field points that are equidistant from the source.
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