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Proceedings Paper

Automated measurement of nonlinearity of optical fiber power meters
Author(s): Igor Vayshenker; Shao Yang; Xiaoyu Li; Thomas R. Scott
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Paper Abstract

We have developed a system for measuring the nonlinearity of optical power meters or detectors over a dynamic range of more than 60 dB at telecommunications wavelengths. This system uses optical fiber components and is designed to accommodate common optical power meters and optical detectors. It is based on the triplet superposition method. The system also measures the range discontinuity between neighboring power ranges or scale settings of the optical power meter. We have developed an algorithm to treat both the nonlinearity and the range discontinuity in a logically consistent manner. Measurements with this system yield correction factors for powers in all ranges. The measurement system is capable of producing results which have standard deviations as low as 0.02%. With slight modification the system can operate over a 90 dB dynamic range at telecommunications wavelengths. This measurement system provides accurate determination of optical power meter or detector nonlinearity; the characterized detectors then can be used for such applications as absolute power and attenuation measurements.

Paper Details

Date Published: 26 September 1995
PDF: 8 pages
Proc. SPIE 2550, Photodetectors and Power Meters II, (26 September 1995); doi: 10.1117/12.221411
Show Author Affiliations
Igor Vayshenker, National Institute of Standards and Technology (United States)
Shao Yang, Ohmeda Medical Systems, Inc. (United States)
Xiaoyu Li, National Institute of Standards and Technology (United States)
Thomas R. Scott, National Institute of Standards and Technology (United States)


Published in SPIE Proceedings Vol. 2550:
Photodetectors and Power Meters II
Kathleen Muray; Kenneth J. Kaufmann, Editor(s)

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