High-Frequency Communication
Phased arrays, microstrip and dielectric antennas, RF front ends, anti-jamming architectures, software-defined radio and RF energy harvesting.
HARRAN UNIVERSITY · ELECTRICAL & ELECTRONICS ENGINEERING
Applied Electromagnetics Lab
Research in applied electromagnetics from RF and microwave frequencies to emerging THz systems.
The Applied Electromagnetics Lab develops research in high-frequency communication, electromagnetic sensing, computational electromagnetics, and signal intelligence, with an emphasis on physically grounded modelling, measurement, and reproducible analysis.
Research led byDr. Ekrem AltınözenLab Lead & Principal Investigator
CommunicationAntennas · RF front ends · SDR · resilient wireless systems
SensingMicrowave · RFID · metamaterials · materials
ComputationFull-wave modelling · inverse problems · optimization
Signal intelligenceFeature extraction · machine learning · uncertainty · inference
Lab vision
A research framework connecting electromagnetic structures, measurements, and data.
The laboratory vision integrates high-frequency communication and sensing with materials, measurement, validation, and machine learning for signals. The objective is to connect electromagnetic mechanisms with measurable, reproducible, and interpretable engineering outcomes.
EA
Research lead
Dr. Ekrem Altınözen
Lab Lead & Principal Investigator
Electrical & Electronics Engineering · Harran University
Academic & professional profiles
Research areas
Four connected research domains in applied electromagnetics.
Research is organized around electromagnetic hardware, sensing mechanisms, computational modelling, and the interpretation of measured and simulated signals.
High-Frequency Sensing
Microwave liquid and refractive-index sensing, RFID sensing, metamaterials, composite characterization and biomedical electromagnetic concepts.
Computational Electromagnetics
Full-wave simulation, material modelling, geometry transformation, surrogate modelling, optimization and inverse electromagnetic problems.
Machine Learning for Signals
Feature extraction, classification, anomaly detection, uncertainty-aware analysis and physics-guided interpretation of electromagnetic measurements.
Capabilities
Measurement, modelling, and experimental validation.
The laboratory emphasizes calibrated and documented experiments, numerical modelling, and reproducible analysis under realistic instrumentation and fabrication constraints.
S-Parameter Measurements
VNA-based characterization of resonators, antennas, materials and RF networks with calibration and de-embedding workflows.
Antenna & RF Validation
Compact measurement arrangements, positioning systems, SDR platforms and application-specific RF experiments.
Material Characterization
Dielectric, refractive-index and composite-material analysis across microwave and emerging high-frequency regimes.
RCS & Composite Studies
Electromagnetic response of structured and composite materials with model-based interpretation and sensing integration.
Signal & Data Analysis
Feature engineering, classification, uncertainty, benchmark design and inverse inference for electromagnetic datasets.
Rapid Prototyping
Fixtures, 3D-printed structures, embedded control and software automation supporting repeatable experiments.
01Design
02Simulate
03Prototype
04Measure
05Analyze & Improve
Current research directions
Current research directions under active development.
These topics represent active research directions, experimental platforms, and methodological development within the laboratory.
Microwave Resonant Sensing
Multi-resonant structures for material characterization using frequency, Q-factor, bandwidth and richer S-parameter features.
Chipless RFID & Structural Sensing
Passive and chipless electromagnetic signatures for structural state, material degradation and low-complexity interrogation.
THz Metasurfaces
Tunable graphene and metamaterial-inspired structures for refractive-index sensing and controlled wave–matter interaction.
Flexible & Conformal RF
Deformation-aware analysis of antennas and interconnects under bending, twisting and complex geometry changes.
Open RF Measurement Workflows
Compact VNA, SDR and positioning workflows for reproducible laboratory-scale characterization and teaching.
Benchmarks, Data & Inference
Reusable datasets, benchmark protocols and physically interpretable features for electromagnetic sensing and signal-learning studies.
Research outputs
Publications, software, datasets, and reusable research resources.
The laboratory website provides the technical research layer, while scholarly outputs remain explicitly attributed to the research lead.
Selected publications by the Lab Lead
Representative peer-reviewed work
Graphene-Based Terahertz Metasurface with Molybdenum Disulfide for Refractive Index Sensing Applications
Sensing and Imaging · 27(1) · Article 62
A numerical study of graphene-based nested split-ring terahertz for sensing applications
Optical and Quantum Electronics · 58 · Article 181
Numerical Analysis of a Flexible Interconnect and Ground-Defected Split Ring Resonator for High-Frequency 5G Sensing Applications
Harran University Journal of Engineering · 10(3) · 172–183
Assessment of the Robustness of Flexible Antennas to Complex Deformations
IEEE Transactions on Antennas and Propagation · 71(6) · 4714–4723
Systematic Generation of Arbitrary Antenna Geometries
IEEE Transactions on Antennas and Propagation · 70(8) · 6377–6387
Software & data
Reusable software, data, and benchmark resources
Measurement & automation tools
Scripts and workflows supporting RF measurements, positioning, data organization and reproducible analysis.
Research datasets
Structured electromagnetic measurement and simulation datasets for validation, comparison and data-driven studies.
Benchmark frameworks
Evaluation protocols connecting physical sensing problems with repeatable feature extraction and model comparison.
Student research & opportunities
Student research built around real electromagnetic problems.
Undergraduate and graduate students interested in RF, microwave sensing, antennas, SDR, computational electromagnetics, or signal processing may participate through supervised research projects when suitable topics and laboratory capacity are available.
Research inquiry →Acknowledgements & support
Industry support for experimental research and engineering education.
Laboratory equipment support is acknowledged separately from complimentary samples, materials, software access, and development platforms.
Laboratory equipment support
We gratefully acknowledge the support of companies that contribute to our lab by providing low-frequency Digital Multimeters, Waveform Generators, InfiniiVision 1000 X-Series Oscilloscope, and a DC power supply with three outputs.
Complimentary samples & development boards
We gratefully acknowledge the support of companies that contribute to our lab by providing complimentary samples and development boards.
altera
Tidy3D
Contact & collaboration
Research collaboration, student projects, and laboratory support.
The laboratory welcomes research collaborations that connect electromagnetic modelling, sensing, RF hardware, materials, measurement, and intelligent signal processing.
Joint research & publications
Materials / fabrication collaboration
Measurement & benchmarking
Student research projects