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Proceedings Paper

In-line fiber optical attenuator and power meter
Author(s): Bernhard Scholl; D. Schmitz; Jens C. Rasmussen; Hans Juergen Schmitt
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Paper 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.

Paper Details

Date Published: 19 February 1993
PDF: 6 pages
Proc. SPIE 1792, Components for Fiber Optic Applications VII, (19 February 1993); doi: 10.1117/12.141205
Show Author Affiliations
Bernhard Scholl, Technical Univ. of Aachen (Germany)
D. Schmitz, Technical Univ. of Aachen (Germany)
Jens C. Rasmussen, Technical Univ. of Aachen (Germany)
Hans Juergen Schmitt, Technical Univ. of Aachen (Germany)

Published in SPIE Proceedings Vol. 1792:
Components for Fiber Optic Applications VII
Paul M. Kopera, Editor(s)

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