APD receiversVoxtel Inc.BEAVERTON, Ore., May 12, 2009 – For rangefinding, lidar, ladar, fluorescence measurements, free-space optical communication systems, spectroscopy, electrophoresis and chromatography applications in the near-infrared, Voxtel Inc. has announced the release of its Siletz REP-1XJ0A series avalanche photodiode (APD) receivers. The company says that the optical subassembly provides sensitivity 2 to 4 dBm better than that of other receivers covering the 950- to 1700-nm spectral range, and it operates at frequencies up to 2.7 GHz with responsivity of 1 A/W. 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