The Optical Backscatter Reflectometer 4200 (OBR 4200) from Luna Technologies, Roanoke, VA, is a portable, ultra-high-resolution reflectometer designed for manufacturers or installers of fiber-optic assemblies and short networks. The device features fault discrimination with better than 3 mm event resolution, ability to measure networks up to 500 m in length with no dead zone, Rayleigh-level sensitivity down to –120 dB over the entire measurement range, 0.1 dB insertion loss resolution with the ability to identify nonreflective failures, and 1540 nm operation wavelength with single- and multimode capability. Applications include telecommunications and data networking, commercial and military avionics, medical imaging systems, and fiber sensing applications.
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