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Achromatic Beam Expanders

Photonics.com
Sep 2013
SURREY, England, Sept. 13, 2013 — Optical Surfaces Ltd. has released achromatic beam expanders with off-axis mirrors to provide unobstructed output and efficient transmission for applications in high-power lasers, laser scanning, interferometry, lidar systems and remote sensing.

The devices increase the diameter of a collimated input beam to a larger collimated output beam to form a small spot at some distance from the laser, or to extend the collimation range for illumination, or to align distant objects.

Available in 5×, 10×, 15× and 20× fixed magnifications, or in customer-specified fixed or variable magnifications, the devices can operate from the UV to the far-IR without adjustment and offer better than λ/5 surface accuracy. They are supplied in aluminum housing, can be fixed to an optical table and include alignment aids to ensure correct beam pointing.

For more information, visit: www.optisurf.com



GLOSSARY
interferometry
The study and utilization of interference phenomena, based on the wave properties of light.
lidar
An acronym of light detection and ranging, describing systems that use a light beam in place of conventional microwave beams for atmospheric monitoring, tracking and detection functions. Ladar, an acronym of laser detection and ranging, uses laser light for detection of speed, altitude, direction and range; it is often called laser radar.
remote sensing
Technique that utilizes electromagnetic energy to detect and quantify information about an object that is not in contact with the sensing apparatus.
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