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Displaying 26 - 50 of 96

International comparisons of optical fiber power measurements

September 19, 2011
Author(s)
Igor Vayshenker, David J. Livigni, Xiaoyu X. Li, John H. Lehman
We discuss the results of optical fiber power meter (OFPM) measurements at 1310 and 1550 nm made by NIST and seven national measurement institutes (NMIs). We also describe transfer standards and the associated uncertainties. The comparisons show a

Compact cryogenic self-aligning fiber-to-detector coupling with losses below one percent

April 25, 2011
Author(s)
Aaron J. Miller, Adriana Lita, Brice R. Calkins, Igor Vayshenker, Stephen Gruber, Sae Woo Nam
We present a compact packaging technique for coupling light from a single-mode telecommunication fiber to cryogenic singlephoton sensitive devices. Our single-photon detectors are superconducting transition-edge sensors (TESs) with a collection area only a

Optical fiber power meter comparison between NIST and NIM

November 1, 2010
Author(s)
Igor Vayshenker, Jian Li, L. M. Xiong, Z. X. Zhang, David J. Livigni, Xiaoyu X. Li, John H. Lehman
We describe the results of a comparison of reference standards between the National Institute of Standards and Technology (NIST-USA) and National Institute of Metrology (NIM-China). We report optical fiber-based power measurements at nominal wavelengths of

Optical high-power nonlinearity comparison between the National Institute of Standards and Technology and the National Metrology Institute of Japan at 1480 nm

December 23, 2009
Author(s)
Igor Vayshenker, Shao Yang, Kuniaki Amemiya, Seiji Mukai, T. Zama
We compare the results of measurements of the nonlinearity of high-power optical fiber powermeters (OFPMs) by two national metrology institutes (NMIs): the National Institute of Standards and Technology (NIST-USA) and the National Metrology Institute of

International comparisons of optical fiber power measurements

October 1, 2008
Author(s)
Igor Vayshenker, David J. Livigni, Xiaoyu X. Li, John H. Lehman
We discuss the results of optical fiber power meter (OFPM) measurements at 1302 and 1546 nm made by NIST and six national measurement institutes (NMIs). We also describe transfer standards and the associated uncertainties. The comparisons show a reasonably

Bilateral optical power meter comparison between NIST and CENAM

July 1, 2008
Author(s)
Igor Vayshenker, J. Bermudez, J. Molina, Z. Ruiz, David J. Livigni, Xiaoyu X. Li, John H. Lehman
We describe the results of a comparison of reference standards between the National Institute of Standards and Technology (NIST-USA) and Centro Nacional De Metrologia (CENAM-Mexico). Open beam (free field) and optical-fiber-based measurements at

Bilateral optical fiber power meter linearity comparison between NMIJ and NIST

June 8, 2008
Author(s)
Seiji Mukai, Kuniaki Amemiya, Michiyuki Endo, Igor Vayshenker, Xiaoyu X. Li, Shao Yang
Optical fiber power meter (OFPM) linearity standards of NMIJ (Japan) and NIST (USA) are compared using a commercial OFPM as a transfer standard at 1310 nm and 1550 nm over a power range [-60 dBm, 0 dBm]. At both wavelengths the comparison indicates an

NIST optical fiber power measurements: intramural and international comparisons

October 1, 2007
Author(s)
Igor Vayshenker, John H. Lehman, David J. Livigni, Joshua A. Hadler
We discuss the results of intramural comparisons of NIST laser and optical fiber power meter (OFPM) measurements, and the results of OFPM comparisons between NIST and three National Measurement Institutes (NMIs). We also describe transfer standards

Trilateral optical powermeter comparison between NIST, NMIJ/AIST, and METAS

February 10, 2007
Author(s)
Igor Vayshenker, John H. Lehman, David J. Livigni, Xiaoyu X. Li, Kuniaki Amemiya, Daiji Fukuda, Seiji Mukai, Shinji Kimura, Michiyuki Endo, Jacques Morel, Armin Gambon
We describe the results of a comparison of reference standards between three National Metrology Institutes: the National Institute of Standards and Technology (NIST, USA), the National Metrology Institute of Japan/National Institute of Advanced Industrial

Connector-induced offsets in optical fiber power meters

August 20, 2006
Author(s)
Igor Vayshenker, Xiaoyu X. Li, Darryl A. Keenan
We discuss issues related to calibration of optical fiber power meters. The power readings may vary when using various types of fiber connectors, or even the same type of connectors made by different vendors. We study the connector effects by calibrating

Nonlinearity of high-power optical fiber power meters at 1480 nm

February 20, 2006
Author(s)
Igor Vayshenker, Shao Yang, Ralph Swafford
We describe a calibration system that measures the nonlinearity of optical fiber power meters (OFPMs) at a maximum power of 0.6 W and a minimum power of 0.2 mW at 1480 nm. The system is based on the triplet superposition method. This system measures the
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