Rustu Umut Tok

FEM expert in electromagnetics

Research Expertise

Mechanical Antennas
Ferrite Devices
Plasmonics
Plasmonic Nanoantennas
Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering
Condensed Matter Physics
Radiation
Spectroscopy
Electronic, Optical and Magnetic Materials

About

Experienced modelling and optical engineer with a multidisciplinary background. Hands-on experience in optical design, prototyping, computational electromagnetics, near-infrared spectroscopy and bio-sensors. In-depth knowledge of optics (ray optics, wave optics, beam optics, Fourier optics, electromagnetic optics, polarization optics, nano-optics, plasmonics and optical metasurfaces), bio-optics, electromagnetics, mathematical modelling, computational methods and simulation tools.

Legacy Map

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Publications

Broadband plasmonic nanoantenna with an adjustable spectral response
Optics Express
2011
Magnetic Pendulum Arrays for ULF Transmission
2018 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting
2018
Directly modulated spinning magnet arrays for ULF communications
2018 IEEE Radio and Wireless Symposium (RWS)
2018
A Multiscale Unconditionally Stable Time-Domain (MUST) Solver Unifying Electrodynamics and Micromagnetics
IEEE Transactions on Microwave Theory and Techniques
2018
Unidirectional broadband radiation of honeycomb plasmonic antenna array with broken symmetry
Optics Express
2011
Magnetic Pendulum Arrays for Efficient ULF Transmission
Scientific Reports
2019
Femtosecond pulse shaping using plasmonic snowflake nanoantennas
Physical Review A
2011
Engineering the broadband spectrum of close-packed plasmonic honeycomb array surfaces
Journal of Quantitative Spectroscopy and Radiative Transfer
2013
Additive Manufacturing With Strontium Hexaferrite-Photoresist Composite
IEEE Transactions on Magnetics
2023
Magnetic Pendulum Arrays for Efficient Wireless Power Transmission
Journal of Physics: Conference Series
2019
Plasmonic spiderweb nanoantenna surface for broadband hotspot generation
Optics Letters
2014
Absorption efficiency enhancement in inorganic and organic thin film solar cells via plasmonic honeycomb nanoantenna arrays
Optics Letters
2013
Mechanical Rotating Arrays for Sidelobe Suppression
2019 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM)
2019
3D Multiscale Unconditionally Stable Time-Domain Modeling of Nonlinear RF Thin Film Magnetic Devices
2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting
2019
Felsen Fund Boston [awards]
IEEE Antennas and Propagation Magazine
2013
Plasmonic Snowflake Antennas with an Adjustable Broadband Spectral Response
Frontiers in Optics 2011/Laser Science XXVII
2011
Elimination of disruptive effect of extracerebral biological tissues in near infrared spectroscopy
2010 15th National Biomedical Engineering Meeting
2010
A Monte Carlo Simulation for photon migration in non-homogeneous medium
2009 14th National Biomedical Engineering Meeting
2009

Education

Sabancı University

Mechatronics Engineering / January, 2015

Istanbul

Istanbul Technical University

MSc, Biomedical Engineering / January, 2011

Istanbul

Işık University

BSc, Physics / June, 2004

Istanbul

Experience

Maury Microwave

Lead R&D Engineer / February, 2023Present

Design and development of impedance tuners, Slab line Tuners: 5-67GHz, 24-110GHz, Waveguide Tuners: 110-170GHz, 170-220GHz, 220-330GHz, Design and development of auto calibration kit (DC to 40GHz), Design and development of broadband microwave load DC to 67GHz, Design and development of passive components: couplers, magic-tee, bias-tee

Senior R&D Engineer / June, 2022February, 2023

Design and development of impedance tuners, Slab line Tuners: 5-67GHz, 24-110GHz, Waveguide Tuners: 110-170GHz, 170-220GHz, 220-330GHz, Design and development of auto calibration kit (DC to 40GHz), Design and development of broadband microwave load DC to 67GHz, Design and development of passive components: couplers, magic-tee, bias-tee

Comsol Multiphysics

Senior Application Engineer / February, 2021April, 2022

Created a sample model for “CPW Filter for Quantum Computing”, which is available at COMSOL V6.0. , Created a sample “Resonance Ferrite Isolator Model”, Thought training courses for “COMSOL RF and Wave Optics Module”, Thought “Introduction to COMSOL” training course, Assist customers related to RF and Wave Optics problems

UCLA

Postdoctoral Researcher / January, 2017December, 2020

Development of magnetic pendulum array concept as an ULF antenna (modelling the nonlinear motions of the strongly coupled magnetic pendulum array numerically and analytically), Development of a Multiphysics (Electromagnetics and Magnetism) FDTD simulation tool to simultaneously solve Maxwell and LLG equations, Development of a transient nonlinear circuit simulation tool, Development of a fabrication process for 3D printing composite ferrite materials (modelling interactions between magnetic particles numerically and analytically to estimate the demagnetization effect within the printed material) , Mentoring graduate and undergrad students.

Postdoctoral Researcher / July, 2015January, 2017

Design, development and implementation of remote, portable, time-lapse, in-situ phase-contrast microscope, from proof of concept to working prototype level.Postdoctoral Researcher at The Ozcan Research Group -Design, development and implementation of remote, portable, time-lapse, in-situ phase-contrast microscope, from proof of concept to working prototype level.

USEE Biotechnologies

Co-founder / November, 2013January, 2020

Proposal writing and fundraising , Designed, developed and implemented a portable plasmonic biosensor from proof-of-concept to working prototype level

Inowatt Plasmonics & Renewable Energy Technologies

Co-founder / November, 2013June, 2018

Inowatt is an R&D start-up mainly focusing on innovative solutions in the fields of plasmonic devices and renewable energy systems. Two main topics we are currently working on are Plasmonic Thin-Film Photothermal Solar Cell project supported by TUBİTAK, and small scale wind turbine designs. In the long run we aim to make difference with our innovative solutions to plasmonic devices and renewable energy systems.

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