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عمر رفيق الاصفر
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  • الدكـتوراة في هندسة كهربائية من جامعة مؤسسة فيرجينياالتكنولوجيه الحكوميه, 1975
  • ماجستير في هندسة كهربائية من جامعة مؤسسة فيرجينياالتكنولوجيه الحكوميه, 1973
  • بكالوريوس في هندسة كهربائية من جامعة الرياض, 1971

    Patent
  • Omar R. Asfar, "Narrowband Waveguide Filter", 1, 1997

    • Publications
  • Omar R. Asfar, "Stopbands of the first order Bragg interaction in a parallel-plate waveguide having multiperiodic wall corrugations," IEEE Trans. Microwave Theory and Techniques,, vol. 28, no. 11, pp. 1187-1191, 1980
  • Omar R. Asfar, "A uniformly valid solution for inward cylindrical solidification," Mechanics Research Communication, vol. 6, no. 6, pp. 325-332, 1979
  • Omar R. Asfar, "Mechanical - wave filtering in a periodically corrugated elastic plate," Transactions of the ASME, Journal of Vibration and Acoustics, vol. 118, no. 1, pp. 16-20, 1996
  • Omar R. Asfar, "Propagation in conducting waveguides having slowly varying cross section," Radio Science, vol. 9, no. 10, pp. 867-871, 1974
  • Omar R. Asfar, "An analytic solution of the nonlinear eddy-current losses in ferromagnetic materials," IEEE Trans. Magnetics, vol. 10, no. 2, pp. 327-331, 1974
  • Omar R. Asfar, "Microwave filter response of nonuniformly corrugated circular waveguide," Journal of Electromagnetic Waves and Applications, vol. 9, no. 1/2, pp. 127-143, 1995
  • Omar R. Asfar, "Filtering of Rayleigh surface waves by means of periodic corrugations," Journal of Vibration and Control, vol. 1, no. 1, pp. 5-14, 1995
  • Omar R. Asfar, "Torsional mode coupling and filtering in a composite waveguide with multiperiodic interface corrugations," Journal of Acoustical Society of America, vol. 93, no. 5, pp. 2468-2473, 1993
  • Omar R. Asfar, "A simple numerical and multiple scales solution for the steady state response of nonlinear balanced modulators and mixers," Int. Journal of Electronics, vol. 70, no. 2, pp. 305-319, 1991
  • Omar R. Asfar, "Riemann-Green function solution of transient electromagnetic plane waves in lossy media," IEEE Trans. Electromagnetic Compatibility, vol. 32, no. 3, pp. 228-231, 1990
  • Omar R. Asfar, "Ultrasonic Waveguide with Square Wave Surfac Grating," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 57, no. 8, pp. 1797-1803, 2010
  • Omar R. Asfar, "Numerical solution of linear two-point boundary problems via the fundamental matrix method," Int. J. Num. Meth. Engr, vol. 28, no. 5, pp. 1205-1216, 1989
  • Omar R. Asfar, "Application of the fundamental matrix method for two-point boundary-value problems to mode coupling in a parallel-plate waveguide having multiperiodic wall corrugations," IEEE Trans. Magnetics, vol. 25, no. 4, pp. 2989-2991, 1989
  • Omar R. Asfar, "Multiple scales analysis of chirped Bragg Gratings," Int. J. Electron. Comm. (AEU), vol. 64, no. 5, pp. 398-402, 2010
  • Omar R. Asfar, "Coupled mode analysis of Love waves in a filter film with periodically corrugated surfaces," IEEE Trans. Ultrsonics, Ferroelectrics and Frequency Control, vol. 41, no. 1, pp. 13-18, 1994
  • Omar R. Asfar, "A method for calculating the stability of boundary layers," Computers and Fluids, vol. 18, no. 3, pp. 305-315, 1990
  • Omar R. Asfar, "Numerical solution of linear two-point boundary problems via the fundamental matrix method," Int. J. Num. Meth. Engr, vol. 28, no. 5, pp. 1205-1216, 1989
  • Omar R. Asfar, "Calculation of filter response of a dielectric slab waveguide having multiperiodic interface corrugations via the fundamental matrix method," Journal of Electromagnetic Waves and Applications, vol. 3, no. 8, pp. 697-709, 1989
  • Omar R. Asfar, "The application of the method of multiple scales to wave propagation in periodic structures," SIAM Review, vol. 25, no. 4, pp. 455-480, 1983
  • Omar R. Asfar, "Coupling of torsional modes in a clad rod having a sinusoidally perturbed core-cladding interface," IEEE Trans. Sonics and Ultrasonics, vol. 24, no. 5, pp. 313-317, 1977
  • Omar R. Asfar, "Nonlinear modulation of TM waves in a circular waveguide," J. Appl. Phys, vol. 47, no. 1, pp. 88-91, 1976
  • Omar R. Asfar, "Circular waveguide with sinusoidally perturbed boundaries," IEEE Trans. Microwave Theory and Techniques, vol. 23, no. 9, pp. 728-734, 1975
  • Omar R. Asfar, "Parallel-plate waveguide with sinusoidally perturbed boundaries," J. Appl. Phys, vol. 45, no. 11, pp. 4797-4800, 1974
  • Omar R. Asfar, "Band structure of a parallel-plate waveguide filter having phase-shifted square-wave corrugation," Waves in Random and Complex Media, vol. 18, no. 3, pp. 361-370, 2008
  • Omar R. Asfar, "Application of Multiple Scales Analysis and the Fundamental Matrix Method to the Design of Apodized Rugate Filters: Initial-Value and Two-Point Boundary Problem Formulations," IEEE Journal of Lightwave Technology, vol. 18, no. 12, pp. 2217-2223, 2000
  • Omar R. Asfar, "Filtering of Rayleigh surface waves by means of periodic corrugations," Journal of Vibration and Control, vol. 1, no. 1, pp. 5-14, 1995
  • Omar Asfar, Muhammad Hawwa, Maxime Bavencoffe, Bruno Morvan, and Jean-Louis Izbicki, "A multiple-scales perturbation approach to mode coupling in periodic plates," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. , no. , pp. 0-0, 2012
  • Omar Asfar, Bruno Morvan, and Jean-Louis Izbicki, "Three-mode coupling of symmetric and antisymmetric Lamb waves in plates with finite corrugations," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 62, no. 3, pp. 524-530, 2015
  • Omar R. Asfar, "Nonlinear oscillations of a parametrically excited gyro-vertical," COBEM 81 Proceedings (VI CONGRESSO BRANSILERO DE ENGENHARIA MECHANICA), 1981, pp. 0-0
  • Omar R. Asfar, "A novel narrowband waveguide filter," 1997 IEEE AP-S International Symposium and URSI Radio Science Meeting, 1997, pp. 0-0
  • Omar R. Asfar, "Thin-film reflection filters having nonuniform multiperiodic interface corrugations," International Symposium on the Application of Ferroelectrics ISAF 86, 1986, pp. 0-0
  • Omar R. Asfar, "Simultaneous resonance and stopband attenuation in a parallel-plate waveguide having multiperiodic wall corrugations," 1983 Jordan - International Electrical and Electronic Engineering Conference, 1983, pp. 0-0
  • Omar R. Asfar, "Gaussian Pulse Recompression in Cascaded Transmission Gratings," International Conference on Signal Processing and Communication ICSPC07, 2007, pp. 0-0
  • Omar Asfar and Bruno Morvan, "Vibrational Modes of Equilateral Triangular Solid Bars," IEEE International Ultrasonics Symposium , Sep 2016, pp. 0-0, IEEE
  • Dean of Hijjawi Faculty of Engineering Technology, Yarmouk University, Jordan, Sep 1998- Sep 2002
  • ADVANCED APPLIED MATHEMATICS
  • ANTENNAS AND RADIO WAVE PROPAGATION
  • APPLIED LINEAR ALGEBRA
  • APPLIED MATHEMATICS FOR MECHATRONICS ENG
  • APPLIED MATHEMATICS FOR ENGINEERS
  • CIRCUITS (1)
  • CIRCUITS LAB
  • ELECTRICAL CIRCUITS LAB
  • ELECTROMAGNETIC (1)
  • ELECTROMAGNETIC (2)
  • INTRODUCTION TO LINEAR SYSTEMS
  • INTRODUCTION TO LINEAR SYSTEMS
  • LINEAR ALGEBRA
  • MICROCONTROLLERS & EMBEDDED SYSTEMS (LAB)
  • MICROWAVE ELECTRONICS
  • MICROWAVE LAB.
  • MICROWAVES AND FIBER OPTICS LAB
  • RADIO WAVE PROPAGATION & ANTENNAS
  • SEMINAR