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Browsing by Author "Zarrinkhat, Faezeh"

Now showing items 1-12 of 12

    • Bio-sensing applications of electromagnetic scattering from spheroidal objects 

      Zarrinkhat, Faezeh (Universitat Politècnica de Catalunya, 2022-12-20)
      Doctoral thesis
      Open Access
      (English) Bio-sensing technology has progressed rapidly over the past years due to their plethora of applications such as disease diagnosis, drug monitoring detection of pollutants, and disease-causing micro-organisms. ...

    • Calibration alignment sensitivity in corneal terahertz imaging 

      Zarrinkhat, Faezeh; Baggio, Mariangela; Lamberg, Joel; Tamminen, Aleksi; Nefedova, Irina; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Taylor, Zachary (Multidisciplinary Digital Publishing Institute (MDPI), 2022-04-22)
      Article
      Open Access
      Improving the longitudinal modes coupling in layered spherical structure contributes significantly to corneal terahertz sensing, which plays a crucial role in the early diagnosis of cornea dystrophies. Using a steel sphere ...

    • Curved boundary integral method for electromagnetic fields 

      Lamberg, Joel; Zarrinkhat, Faezeh; Tamminen, Aleksi; Ala-Laurinaho, Juha; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Khaled, Elsayed; Taylor, Zachary (Optical Society of American (OSA), 2023-12-11)
      Article
      Open Access
      The angular spectrum method is a rigorous method to synthesize near and far-field electromagnetic beams from planar field distributions. However, this limitation of planar surfaces has restricted its applicability to beams ...

    • Electromagnetic monitoring of biological microorganisms 

      Zarrinkhat, Faezeh; Garrido, Alejandra; Jofre Roca, Lluís; Romeu Robert, Jordi; Rius Casals, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference lecture
      Restricted access - publisher's policy
      The investigation of the electromagnetic properties of biological cells in the microwave frequencies may enable wireless monitoring of functional activity of microorganisms. Both theoretical and experimental methodologies ...

    • Experimental exploration of longitudinal modes in spherical shells at 220 GHz – 330 GHz: applications to corneal sensing 

      Zarrinkhat, Faezeh; Lamberg, Joel; Baggio, Mariangela; Tamminen, Aleksi; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Taylor, Zachary (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Restricted access - publisher's policy
      Submillimeter-wave and THz sensing of cornea leverage the layered tissue structure for assessments of corneal water content and thickness. The cornea is bounded by air on the anterior and an optically thick body of water ...

    • Experimental verification of dielectric models with a capacitive wheatstone bridge biosensor for living cells: E. coli 

      Zarrinkhat, Faezeh; Jofre Cruanyes, Marc; Jofre Roca, Lluís; Rius Casals, Juan Manuel; Romeu Robert, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2022-03-23)
      Article
      Open Access
      Detection of bioparticles is of great importance in electrophoresis, identification of biomass sources, food and water safety, and other areas. It requires a proper model to describe bioparticles’ electromagnetic ...

    • Fourier analysis of submillimeter-wave scattering from the human cornea 

      Zarrinkhat, Faezeh; Lamberg, Joel; Tamminen, Aleksi; Baggio, Mariangela; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Taylor, Zachary (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Conference report
      Open Access
      Wave scattering from a human cornea illuminated with a submillimeter-wave Gaussian beam is explored with Fourier analysis. This new approach enabled us to investigate the cornea as a coated sphere rather than a homogenized ...

    • Investigation of radial top-hat electric field distributions for corneal reflectometry using modified Fourier optics method 

      Lamberg, Joel; Zarrinkhat, Faezeh; Tamminen, Aleksi; Khaled, Elsayed E. M.; Taylor, Zachary (2021)
      Conference lecture
      Restricted access - publisher's policy
      An efficient Fourier optics method for synthesizing a required incident beam to compute the internal and scattered electromagnetic fields from known spherical surface electric field distribution is presented. © 2021 IEEE

    • Mie scattering with 3D angular spectrum method 

      Lamberg, Joel; Zarrinkhat, Faezeh; Tamminen, Aleksi; Ala-Laurinaho, Juha; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Khaled, Elsayed E. M.; Taylor, Zachary (Optical Society of American (OSA), 2023-11-06)
      Article
      Open Access
      Mie theory is a powerful method to model electromagnetic scattering from a multilayered sphere. Usually, the incident beam is expanded to its vector spherical harmonic representation defined by beam shape coefficients, and ...

    • Optical path length measurement of spherical dielectric shells with axicon-generated Bessel beams; applications to corneal sensing 

      Baggio, Mariangela; Tamminen, Aleksi; Zarrinkhat, Faezeh; Nefedova, Irina; Aspelin, Arthur; Ala-Laurinaho, Juha; Wallace, Vincent; Brown, Elliott; Taylor, Zachary (2021)
      Conference lecture
      Open Access
      A custom aspheric axicon lens for corneal water content sensing, operating from 220 to 330 GHz, was evaluated with spherical, dielectric shell targets. The lens consisted of a hyperbolic back surface and conical front ...

    • Vector spherical harmonic analysis and experimental validation of spherical shells illuminated with broadband, millimeter wave Gaussian beams: applications to corneal sensing 

      Zarrinkhat, Faezeh; Lamberg, Joel; Tamminen, Aleksi; Baggio, Mariangela; Nefedova, Irina; Ala-Laurinaho, Juha; Khaled, Elsayed E. M.; Romeu Robert, Jordi; Rius Casals, Juan Manuel; Taylor, Zachary (2022-06-03)
      Article
      Open Access
      Coupling to longitudinal modes of thin spherical shells, under Gaussian-beam illumination, was explored with a theoretical method based on Fourier-optics analysis and vector spherical harmonics and was scrutinized with an ...

    • Wavefront-modified vector beams for THz cornea spectroscopy 

      Lamberg, Joel; Zarrinkhat, Faezeh; Tamminen, Aleksi; Baggio, Mariangela; Ala-Laurinaho, Juha; Rius Casals, Juan Manuel; Romeu Robert, Jordi; Khaled, Elsayed E. M.; Taylor, Zachary (Optical Society of American (OSA), 2023-11-20)
      Article
      Open Access
      Terahertz spectroscopy is a promising method to diagnose ocular diseases, where the cornea is typically imaged by Gaussian beams. However, the beam’s mismatch with the cornea’s spherical surface produces a 5-10 % error in ...