International Search Report for PCT/US 97/13656, dated Feb. 2, 1998. |
International Search Report for PCT/US 98/12341, dated Oct. 21, 1998. |
International Search Report for PCT/US 98/17233, dated Dec. 11, 1998. |
International Search Report for PCT/US 98/20683, dated Feb. 24, 1999. |
International Search Report for PCT/US 99/23945, dated Mar. 6, 2000. |
J. Blake, P. Tantaswadi and R. T. de Carvalho; “In Line Sagnac Interferometer Current Sensor,” 1995 IEEE Transactions on Power Delivery, vol. 11, No. 1, Jan. 1996. |
Tong Yu et al., “Magnet-sensitive Optical Fiber and its Application in Current Sensor System,” Database accession No. 4250392 XP002131302 abstract & Fiber Optic and Laser Sensors IX, Bottom, MA, USA, 3-5 Sep. 1991, vol. 1584, pp. 135-137, Proceedings of the SPIE -The International Society for Optical Engineering, 1991, US ISSN: 0277-786X. |
R. T. de Carvalho, J. Blake, and G. Sanders, “Sagnac Interferometers for Accurate Measurements of True Nonreciprocal Effects”, SPIE, vol. 2070, pp. 264-269, (Sep. 1993). |
Kent B. Rochford, Gordon W. Day, and Peter R. Forman, “Polarization Dependence of Response Functions in 3x3 Sagnac Optical Fiber Current Sensors”, Journal of Lightwave Technology, vol. 12, No. 8, Aug. 1994, pp. 1504-1509. |
P. A. Nicati and Ph. Robert, “Stabilised Current Sensor Using Sagnac Interferometer”, IOP Publishing Ltd., 1988 pp. 791-796, (1988). |
H. Taylor, “Fiber Sensors: 2”, U.S. Naval Research Laboratory, Apr. 29, 1981, pp. 128-130. |
P. A. Nicati and Ph. Robert, “Stabilized Sagnac Optical Fiber Current Sensor Using One Phase and Two Amplitude Modulations”, Swiss Federal Institute of Technology of Lausanne, pp. 402-405, (1992). |
I. G. Clarke, D. Geake, I. M. Bassett, S. B. Poole, and A. D. Stokes, “A Current Sensor Using Spun Birefringent Fibre in a Sagnac Configuration”, OFTC, University of Sydney, Australia, pp. 167-170, (1993). |
A. Yu and A. S. Siddiqui, “A Theoretical and Experimental Investigation of a Practicable Fibre Optic Current Sensor Using Sagnac Interferometer”, Department of Electronic Systems Engineering, University of Essex, pp. 289-292, (1993). |
L. R. Veeser and G. W. Day, “Faraday Effect Current Sensing Using a Sagnac Interferometer With a 3x3 Coupler”, National Institute of Standards and Technology, pp. 325-328, (1990). |
P. Akhavan Leilabady, A. P. Wayte, M. Berwick, J. D. C. Jones, and D. A. Jackson, “A Pseudo-Reciprocal Fibre-Optic Faraday Rotation Sensor: Current Measurement and Data Communication Applications”, Elsevier Science Publishers B. V., pp. 173-176. vol. 59, No. 3, Sep. 1986. |
R. A. Bergh, H. C. Lefevre, and H. J. Shaw, “Geometrical Fiber Configuration for Isolators and Magnetometers”, Fiber-Optic Rotation Sensors and Related Technologies, Springer Series in Optical Sciences 32, 1982, pp. 111-116. |
R. T. de Carvalho and J. Blake, “Simultaneous Measurement of Electric and Magnetic Fields Using a Sagnac Interferometer”, Texas A&M University, College Station, Texas, (Sep. 1994). |
S. X. Short, et al., “Imperfect quarter-waveplate compensation in Sagnac Interferometer type current sensors,” Journal of Lightwave Technology, Conference Proceedings, Oct. 27, 1997. |
J. R. Qian, Q. Guo, and L. Li, “Spun Linear Birefringence Fibres and Their Sensing Mechanism in Current Sensors with Temperature Compensation,” IEE Proceedings Optoelectronics 141 (1994) Dec., No. 6, pp. 373-380, Stevenage, Herts., GB. |
I. M. Bassett, “Design Principle for a Circularly Birefringent Optical Fiber,” Optics Letters, vol. 13, No. 10, Oct. 1988, pp. 844-846. |
Ian G. Clarke, “Temperature-Stable Spun Elliptical-Core Optical-Fiber Current Transducer,” Optics Letters, vol. 18, No. 2, Jan. 15, 1993, pp. 158-160. |
Richard I. Laming and David N. Payne, “Electric Current Sensors Employing Spun Highly Birefringent Optical Fibers,” Journal of LIghtwave Technology, vol. 7, No. 12, Dec. 1989, pp. 2084-2094. |
Osamu Kamada, Yoshinobu Tsujimoto and Yoshiaka Hayashi, “Fiber-Optical Current Sensors Using Mixed Rare-Earth Iron Garnet Cystals,” Proceedings of the 3rd Sensor Symposium, 1983, pp. 167-169. |
F. Maystre and A. Bertholds, “Magneto-optic Current Sensor Using a Helical Fiber Fabry-Perot Resonator,” Springer Proceedings in Physics, vol. 44, pp. 267-272, (1989). |
J. N. Ross, “The Rotation of the Polarization in Low Birefringence Monomode Optical Fibres Due to Geometric Effects,” Optical and Quantum Electronics 16 (1984), pp. 455-461. |
Guido Frosio and Rene Dandliker, “Reciprocal Reflection Interferometer for a Fiber-Optic Faraday Current Sensor,” Applied Optics, Sep. 1, 1994, vol. 33, No. 25, pp. 6111-6122. |
Oho, Shigeru, Hisao Sonobe and Hiroshi Kajioka, “Time-Domain Sagnac Phase Reading in Open-Loop Fiber Optic Gyroscopes,” IEICE Trans Electron, vol. E79 C. No. 11, pp. 1596-1601, (Nov. 1996). |
Deeter, Merritt N., “Fiber-optic Faraday-effect Magnetic-field Sensor Based on Flux Concentrators,” Applied Optics, vol. 35, No. 1 Jan. 1, 1996. |