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Optical Surfaces Nabs Lidar Optical Modules Order

Photonics.com
Jan 2011
KENLEY, England, Jan. 19, 2011 — Optical Surfaces Ltd. has received a sizeable repeat order to produce optical modules for the ZephIR 300 wind lidar from Natural Power.

“To achieve the ultimate in performance with the fewest components our optical module incorporates a 200mm focal length aspheric doublet,” said a spokesperson at Optical Surfaces. “The ability of the ZephIR to produce variable focus at different heights is achieved by using a ‘point’ source originating from a single mode fiber which is located at different longitudinal positions just beyond the front focal plane of the optical module. The aspheric lenses in the optical module have a durable V-coat to allow the lens surfaces to be cleaned and to optimize performance at 1.5 microns.”

The accurate prediction of energy yields is fundamental to the success of wind farm projects. The ZephIR 300 wind lidar provides complete wind resource measurement including horizontal and vertical wind speed, wind direction and turbulence at any height up to 200 meters without the need for a mast thereby eliminating the need for planning permission or working at height. The portability of ZephIR and ease of deployment makes high density data collection a reality with 50 measurements per height per second, both horizontally and vertically across the extent of the measurement site.

Optical Surfaces has been producing optical components and systems for more than 45 years. The company's ISO 9001-2000 approved manufacturing facility provides the flexible resources to supply from single specialist requirements to OEM quantities.

Natural Power collaborates with educational institutes and R&D houses, and invests in new technologies that add value to renewable energy projects.

For more information, visit:  www.optisurf.com 




GLOSSARY
v-coat
A multilayer antireflective thin-film coating, so called because its reflectance rises steeply at wavelengths above and below a narrow band at zero. The v-coat is particularly useful in high-power laser applications.
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