Maximum Detection Efficiency for Photon Counters
Improved Fiber Coupling
To realize a fiber coupling, additional optical elements are needed. In COUNT modules with FC connectors a special GRIN lens is integrated that images single photons from the fiber onto the detector chip. With the in-house IBS coater, LASER COMPONENTS optimize the lenses with a double-sided AR coating. This broadband coating from 400 nm - 1100 nm has a reflection of less than 1.5%, and has thus led to a reduction in losses in detection efficiency.
Because of the in-house production, we are able to customize the coatings. For example we can offer AR coatings with a reflection of <<1% in the range from 400 nm to 900 nm or from 600 nm to 1100 nm.
For COUNTblue modules with increased sensitivity in the blue to yellow spectral range, we designed a special AR coating option that has a reflection of less than 1% from 350 nm to 700 nm.
More Information http://www.lasercomponents.com/...
LASER COMPONENTS GmbH
LASER COMPONENTS is specialized in the development, manufacture, and sale of components and services for the laser and opto-electronics industries. With sales offices in four different countries, the company has served its customers since 1982. In-house production at six locations in Germany, Canada, and the USA began in 1986 and is meanwhile responsible for about half of its turnover. Currently, the family-run business employs more than 130 people worldwide.
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