Roles and responsibilities
Research Council Officer
Design and engineering support for various radio astronomy projects, including design, development, and measurement of mm-wave and microwave planar, waveguide, and coaxial components.
Project management, system and sub-element design for cryogenic radio receivers.
Current research and/or projects
Corrugated feed horns
Ridged feed horns
Ridged and standard waveguide components
Vacuum windows and lenses
Waveguide, coax, and planar components like couplers, power dividers, etc.
Phased arrays
EMI and RFI measurements
Farfield and near field antenna test
Full wave electromagnetic (EM) simulations and optimizations
Radio receiver system design
Research and/or project statements
Cryogenic radio receiver (Q-band) development for Next Generation Very Large Array (ngVLA)
Feed horn and vacuum window design for octave band receiver development
Ridged waveguide component development for wideband applications
EMI/RFI measurement of digitizing broadband receiver for the Square Kilometer Array (SKA)
Phased array research study for marine radar systems
Substrate Integrated Waveguide (SIW) antenna systems
Education
Ph.D. Electrical engineering, University of Victoria, Canada, Jan 2019
Professional activities/interests
Adjunct Professor with the Department of Electrical and Computer Engineering, University of Victoria
Vice-chair of IEEE Victoria section of Young Professional Affinity Group
Supervision of graduate students and co-op students
Senior member of International Union of Radio Science (URSI)
NRC Herzberg EDI (Equality-Diversity-Inclusion) committee member
Interests:
Cryogenic radio receiver system and sub-system design and developments
Metal and plastic 3D printing of mm-wave components
Design and development of octave and multi-octave band antenna and their feed systems
Antenna testing: near-field and far-field, beam patterns, and S-parameters.
RF system design and development
Awards
Received University of Victoria Outstanding Graduate Entrance Award, 2016
Nominated for the Governor General’s Gold Medal for the best PhD thesis, 2019
Key publications
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S. Salem Hesari, B. Veidt, I. Waver, “A Compact Dielectrically Loaded Quad-ridge Feed Horn for Octave Band Radio Astronomy Application,” in Proc. 32st IEEE Int. Symp. Space Terahertz Technol., Baeza, Spain, 2022.
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S. Salem Hesari, D. Henke, V. Reshetov, B. Veidt, A. Seyfollahi, F. Jiang, and L. B. G. Knee "Design and analysis of the NRC Q-band receiver for ngVLA Band-5", Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, 121900L (31 August 2022)
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S. Salem Hesari, D. Henke, and L. B. G. Knee, “A Proposed Vacuum Window for DVA-2 Q-band receiver and ngVLA Band-5,” URSI GASS 2021, Rome, Aug. 28–Sept. 4, 2021.
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S. Salem Hesari, D. Henke, B. Veidt, V. Reshetov, and L. B. G. Knee, “A Compact Axial-Ring Feed Horn and Vacuum Window Model for a Cryogenic Q-band Receiver,” Proc. IEEE 19th Int. Symp. Antenna Technol. Appl. Electromagn. (ANTEM), 2021.
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S. Salem Hesari, et al, “Q-band single pixel receiver development for the ngVLA and NRC DVA-2 dish,” NRC Women in STEM symposium, Feb, 2021.
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S. Salem Hesari, D. Henke, F. Jiang, A. Seyfollahi, V. Reshetov, B. Veidt, L.B.G. Knee, “Q-band Single Pixel Receiver Development for the ngVLA Band-5,” NRC-CNRC TechX, May, 2021.
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S. Salem Hesari, L. Knee, “Design and analysis of three Q-band feed horns for radio astronomy applications,” IEEE APS/URSI 2020, Montreal, 2020.
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S. Salem Hesari, K. Caputa, “Radiated RFI measurement of SKA dish digitizer RXS123 in an anechoic chamber,” IEEE APS/URSI 2020, Montreal, 2020.
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S. Salem Hesari, et al., “Q-band receiver system design for the Canadian DVA-2 radio telescope,” Proc. SPIE SPIE DigitalLibrary.org/conference-proceedings-of-spie, vol. 11453, p. 114533A, Dec. 2020.
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S. Salem Hesari and J. Bornemann," Design of a SIW Variable Phase Shifter for Beam Steering Antenna Systems," Applied sience, Electronics, 2019, 8(9), 1013.
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S. Salem Hesari, L locke, L. Knee, and J. Bornemann," Low-cost phased array feed system for radio astronomy and wide-angle scanning applications," in proc. IEEE International Symposium on Phased Array Systems and Technology, 2019 , pp. 1-4.
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S. Salem Hesari, C. Bartlett, J. Bornemann, and Yu Luo, "Single-layer end-fire Substrate integrated waveguide antenna systems," in proc. IEEE Asia-Pacific Microwave Conference (APMC), 2019.
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S. Salem Hesari, “Substarte integrated waveguide antenna systems,” Ph.D. dissertation, University of Victoria, BC, Canada, Jan. 2019.
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S. Salem Hesari and J. Bornemann, "Frequency-selective substrate integrated waveguide front-end system for tracking applications," IET Microwaves, Antennas Propagation, Vol. 12, Iss. 10, pp. 1620-1624, 2018.
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S. Salem Hesari and J. Bornemann, "Substrate integrated waveguide right-angled power divider design using mode-matching techniques," in Proc. IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO), Reykjavik, Iceland, Aug. 2018, pp. 1-4.
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C. Bartlett, S. Salem Hesari, and J. Bornemann, "End-fire substrate integrated waveguide beam-forming system for 5G applications," in proc. Int. Symp. Antenna Techn. Appl. Electromagn. (ANTEM), Waterloo, Canada, Aug. 2018, pp. 1-4.
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S. Salem Hesari and J. Bornemann, "Antipodal Vivaldi antenna arrays fed by substrate integrated waveguide right-angled power dividers," Applied Sciences, vol. 8, no. 12, pp. 1-17, Dec. 2018
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S. Salem Hesari and J. Bornemann, " Wideband circularly polarized substrate integrated waveguide end-fire antenna system with high gain," IEEE Antennas Wireless Propagat. Lett., pp. 2262-2265, 2017.
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S. Salem Hesari and J. Bornemann, "Substrate integrated waveguide crossover formed by orthogonal TE102 resonators," in Pr oc. 47th Eur. Microw. Conf., Nuremberg, Germany, Oct. 2017, pp. 1-4.
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S. Salem Hesari, M. Vahdani,” Design of a wide-band integrated microstrip-to-CPS transitions with application in feeding the microstrip antennas”, Iran University of Science and Technology publication, Iranian Conference on Engineering Electromagnetics 26-27 Dec, 2012 (ICEME).
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N. Tasouji, S. Salem Hesari, T. Sieverding, J. Bornemann, “ High efficiency octave band feed horn antenna for radio astronomy applications,” URSI International Symposium on Electromagnetic Theory, to be published, May, 2023.
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D. Henke, F. Jiang, S. Salem Hesari, A. Seyfollahi, B. Veidt, and L. B. G. Knee "Octave bandwidth receiver technology for radio and millimetre-wave telescopes", Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, 121901Y (31 August 2022)
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D. Henke, S. Salem Hesari, and L. Knee, “Axial Ring Feed Horn with Logarithmic Flare for Offset Gregorian Optics,” URSI GASS 2021, Rome, Aug. 28–Sept. 4, 2021.
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J. Bornemann and S. Salem Hesari, "Scattering matrix subtraction technique for mode-matching analysis of substrate integrated waveguide junctions," in Proc. IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO), Sevilla, Spain, May 2017, pp. 1-3.
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J. Bornemann, U. Rosenberg, S. Amari, and S. Salem Hesari, "Design of sum difference power combiners with second-order filtering functions," in Proc. IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization(NEMO), Sevilla, Spain, May 2017, pp. 1-3.
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M. Vahdani, S. Salem Hesari, B. Manouchehrinia, “Performance comparison of two types of low-profile sinuous antenna in ultra wideband application,” IEEE publication, Loughborough Antennas & Propagation Conference (LAPC 2013).