Automated measurement of nonlinearity of optical fiber power meters

Igor Vayshenker; Shao Yang; Xiaoyu Li; Thomas R. Scott

doi:10.1117/12.221411

26 September 1995 Automated measurement of nonlinearity of optical fiber power meters

Igor Vayshenker, Shao Yang, Xiaoyu Li, Thomas R. Scott

Proceedings Volume 2550, Photodetectors and Power Meters II; (1995) https://doi.org/10.1117/12.221411
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

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.

Citation Download Citation

Igor Vayshenker, Shao Yang, Xiaoyu Li, and Thomas R. Scott "Automated measurement of nonlinearity of optical fiber power meters", Proc. SPIE 2550, Photodetectors and Power Meters II, (26 September 1995); https://doi.org/10.1117/12.221411

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