In-line fiber optical attenuator and power meter

Bernhard Scholl; D. Schmitz; Jens C. Rasmussen; Hans Juergen Schmitt

doi:10.1117/12.141205

19 February 1993 In-line fiber optical attenuator and power meter

Bernhard Scholl, D. Schmitz, Jens C. Rasmussen, Hans Juergen Schmitt

Proceedings Volume 1792, Components for Fiber Optic Applications VII; (1993) https://doi.org/10.1117/12.141205
Event: Fibers '92, 1992, Boston, MA, United States

Abstract

Optical attenuators and powermeters are very important parts of the test equipment for fiber optic systems. A simple way to reach attenuation is by bending the fiber. This method suffers under the problem of limited reproducibility. We have combined an optical fiber bending attenuator with in-line power couplers at the optical input and output of the device. This allows simultaneous measurement of optical power and controlled reproducible setting of attenuation. The instrument has less than 2 dB insertion loss and reaches attenuation down to -55 dBm limited by system noise.

Citation Download Citation

Bernhard Scholl, D. Schmitz, Jens C. Rasmussen, and Hans Juergen Schmitt "In-line fiber optical attenuator and power meter", Proc. SPIE 1792, Components for Fiber Optic Applications VII, (19 February 1993); https://doi.org/10.1117/12.141205

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