Ahmet Tuna
Meram, Konya • Turkey • This email address is being protected from spambots. You need JavaScript enabled to view it. • +905375009084 • LinkedIn • ORCID
Professional Summary
A researcher and R&D engineer in nano/micro fabrication with 5+ years of hands-on experience delivering reproducible
thin-film device processes and advanced characterization. Background spanning MEMS sensors and optoelectronic
devices, with strong cleanroom discipline, process documentation habits, and data-to-decision workflows. Known for
systematic problem solving (root-cause analysis), cross-functional collaboration with technicians/engineers/professors,
and a service mindset in the DfM aim, while also developing the research outcomes.
Experience
Laser Group Konya, Turkey
R&D Specialist 09/ 2022 – Current
Designed, simulated, fabricated, and characterized hetero-junction NIR/Vis photodetectors.
By optimizing production metrics, having more efficient photo-detectors; as increasing 68.805% in detectivity,
66.286% in photo-current gain, 64.135% in photosensitivity, 277.931% in responsivity.
Conducted extensive device characterization; AFM (from 6.66 nm to 15.69 nm average roughness), I–V
measurement setups (-5 V to 5 V with 0.1 V steps), XRD (in C(111)/H(002) peak dominants), PL, and SEM.
Applied Pulsed Laser Deposition (PLD) (at 10 mJ) and thin-film optimization (in 60 to 90 nm scale) on CdTe, CZTS,
CdS, CIGS, Ag, Al, Au, CuO materials; refined process control through systematic measurements.
Performed statistical analysis and signal analysis on opto-electronic results with end-device performance.
Employed nanosecond and femtosecond laser systems (90 fs, 80 MHz, 200 mW) for wafer processing and HF
etching, integrating results into device roadmaps.
Coaching new researchers to make them get used into processes.
Focusing on parasitic effects of detectors onto photonic sub-devices located with them, to control overall
qualification in an IC design. Optimizing SNR and detectivity parameters.
Conducting research projects that influenced industry standards, thus leading to a fourfold increase in follow-up
lab funding for my managers. Presenting the results at 6 international conferences and authored 2 journal papers.
Gaining all the above experiences in an international environment where English is the common language; with
colleagues from Morocco, Algeria, Egypt, Turkey and Greece.
Biotechnology Lab. & Hospital of Faculty of Medicine Visitor Researcher / Bio-Technology Electromagnetics Lab Instructor (YOK Program) Konya, Turkey
09/2018 – 07/2021
Instructing students in lab techniques and device usage as a bio-tech-electromagnetics lab instructor.
Collaborating with Psychiatry Clinic on rTMS machine has C. B70 coil generating 10 Hz magnetic pulses.
Directing a project with the Neurology Clinic focusing on the MATLAB simulations use non-linearity.
Investigating the relationship between the non-ionizing (ELF) electromagnetic waves and the glandula
pinealis (suprachiasmatic nucleus) to retinal pathway.
Demonstrated proficiency (both practically and theoretically) in electromagnetics, non-linear system
dynamics and signal analysis through collaborating with 2 different faculties and 6 different medical
doctors and many other experts.Micro-Systems Lab. (Bogazici University & Bilgi University) Istanbul, Turkey
Researcher 09/2015 – 10/2017
Designed, simulated and fabricated 3D-Printed Capacitive Pressure Sensors, integrating MEMS design,
cleanroom processing, and device testing.
Manage the device performance into the whole integrated circuitry, named: Optically Powered and
Optically Programmable CMOS Based Biomedical Microsystem Design for Remote Patient Monitoring
and Intervention (funded by TUBITAK 3501).
Performed simulation process by using COMSOL Multiphysics in solid-mechanics and electro-mechanics.
Conducted sputtering processes (50 nm Cr, 115 nm Au), and alternative thin film PVD, CVD techniques.
Defined needed experimental setups and analyzed capacitance response under applied pressures (up to
8.88 kPa) achieving nominal capacitance of 2.7 pF and maximum capacitance of 3.3 pF for the sensor.
Developed research that impacts industry standards, thus leading to more TUBITAK lab funding for my
supervisor. Published the results in IEEE Xplore and presented at PRIME/SMACD 2017 (Taormina, Italy).
Demonstrated proficiency of developing in MEMS, COMSOL simulation, sputtering process, spin coating and sensor
mechanics through job responsibilities on material science and electro-mechanics.
Education
Selcuk University Konya, Turkey
Ph.D., Nanotechnology and Advanced Materials, GPA: 3.94/4 2018 – 2025
Focus: Designing, simulating and fabricating porous photodetectors have Ag/p-CdTe/ (porous) Si/ Ag thin film structure
to solve the lack of efficiency problem of sensors in a restricted area.
Istanbul Bilgi University & Bogazici University M.Sc., Electrical and Electronics Engineering, GPA: 3.29/4 Focus: Designing, simulating and fabricating 3D printed capacitive pressure sensors (have Cr/Au structure) with
corrugated surface to increase the sensitivity in the same restricted sensor area.
Istanbul, Turkey
2015 – 2017
Istanbul Bilgi University Istanbul, Turkey
B.Sc., Electrical and Electronics Engineering, GPA: 2.97/4 2010 – 2015
Projects
Akınsoft / Akınrobotics – C++ Based Random Circular Simulation Remote
Project Owner 07/2025 – 08/2025
Developing an algorithm in C++ for a robot to perform a random circular motion while satisfying constraints.
Tech Stack: C++17, STL, CMake, GoogleTest, WSL (Ubuntu 24.04), g++.
Akınsoft – Text Encryption Remote
Project Owner 06/2025 – 07/2025
Implemented a text encryption algorithm in C++ that is controlling and detecting a given text using floor and ceiling
functions, and outputs the encrypted text.
Tech Stack: C++, CMake, Google Test, Linux (WSL), PowerShell.
Selcuk University – Python Based Web Interface Konya, Turkey
Project Member 08/2021 – 09/2021
Developing a Python-based framework; analyzing, archiving, and visualizing data from Keithley-6485 ammeter.
Tools and Tech Stack: Keithley 6485, React, NoSQL database of Google Firebase, JSON and RS-232.TUBITAK Istanbul, Turkey
Intern 06/2013 – 07/2013
Contributed to research on improving Polycrystalline-Silicon Solar Energy Panels.
Focusing on p-n junctions and photovoltaic materials to use them in efficiency increasing from %12 to %14.
Skills
Microscopy & Characterization: AFM, SEM, XRD, PL, Raman, UV/Vis spectrometry, I–V measurement setups, electronic
measurement methodologies, opto-electronic measurements, RLC meters.
Microfabrication & Processing: Pulsed Laser Deposition (PLD), sputtering, PVD/CVD/ALD, HF etching, annealing,
femtosecond laser processing, optical table alignment, Objet 3D printing (additive manufacturing), coil design.
Modeling & Simulation: Silvaco TCAD, SCAPS 1D, COMSOL Multiphysics, SolidWorks, PSpice, AutoCAD.
Programming & Data Analysis: Python, MATLAB, C++, C, statistical methods, signal analysis, system dynamics modeling
(micro and macro systems), data visualization/graphical representation, OriginLab.
Languages: English (Fluent), German (Elementary), Dutch (Beginner), Turkish (Native).
Interests: Drummer and musician; daily reader in science, philosophy and world history.
Publications
Journal Articles:
- Tuna, A., Gezgin, S.Y., B. Mercimek, Kılıç, H.Ş.
Photodetector Properties of CdTe Thin Films and CdTe/Si Heterojunctions Produced by Pulse Laser Ablation
Optical and Quantum Electronics 58, 126 (2026), DOI: https://doi.org/10.1007/s11082-026-08708-4
Conference Papers:
Full-text conference papers available on ResearchGate: [link]
- Tuna, A., Erden, O. K., Gokdel, Y. D., & Sarioglu, B. (2017, June). 3D printed capacitive pressure sensor with
corrugated surface. In 2017 13th Conference on Ph. D. Research in Microelectronics and Electronics (PRIME) (pp.
149-152). IEEE.; DOI: 10.1109/PRIME.2017.7974129
- A. Tuna, S. Y. Gezgin, Y. Gündoğdu and H. Ş. Kılıç; An Investigation of Some Photo-Sensing Parameters in the
Photo-Detector Design of n-ZnO/p-Si Heterojunction Diode Produced by Pulsed Laser Deposition Technique, 3.
International Baku Scientific Research Congress, October 15-16, 2021, Baku, AZERBAIJAN, Baku Eurasia University,
ISBN: 978-1-955094-17-7, (Oral Presentation) (Full Text).
- A. Tuna, S. Y. Gezgin, Y. Gündoğdu and H. Ş. Kılıç; An Approach to a Photo-Diode through Non-Linear System
Dynamics in the J – V Characteristics of n-Zno/p-Si Heterojunction Produced by Pulsed Laser Deposition
Technique, International Euroasia Congress on Scientific Researches and Recent Trends 9, 18-20 February
2022/Antalya – Turkey, ISBN: 978-625-8405-60-6, (Oral Presentation) (Full Text).- Tuna A., Gezgin S. Y., Gündoğdu Y. and Kılıç H. Ş.; A Simulation Study on GaAs Homojunction through Designing
Photodetectors and/or Solar Cells, 3rd International Conference on Applied Engineering and Natural Sciences,
July 20-23, 2022, Konya, Turkey, ISBN: 978-625-00-0830-0, (Oral Presentation) (Only Abstract).
- Tuna A., Gezgin S. Y., Gündoğdu Y. and Kılıç H. Ş.; Simulation and Design of a Hg/Cd/Te Homojunction Infrared
Photodetector, 8th International Black Sea Coastline Countries Scientific Research Conference, 2022, August 29-
30, Sofia, Bulgaria, ISBN: 978-625-8213-50-8, (Oral Presentation) (Full Text).
- A. Tuna, S. Y. Gezgin, Y. Gündoğdu and H. Ş. Kılıç; Graphical Representation of a Germanium Homojunction from
a p-n Junction Simulation Software, Latin America 4th International Conference on Scientific Researches, 2022,
Nov. 3 – 6, Mexico City, ISBN: 978-605-72051-7-9, (Oral Presentation) (Full Text).
- A. Tuna, S. Y. Gezgin, Y. Gündoğdu Kabakcı, H. Ş. Kılıç; Fabrication, Characterization and Simulation of CdTe Thin
Film Deposition by Employing PLD Technique; ICSAR 5th International Conference on Scientific and Academic
Research; 2024, Dec. 23-24, Konya, Turkey, ISBN: 978-625-5954-26-8
Additional Information
- Test Scores:
YOK-DIL English Language Test (88,75000 / 100), YDS English Test (77,50000 / 100), GRE (Quantitative: 157 /170)
- Laser Group Web Site: https://www.selcuklazer.com/site
- Micro-Systems Lab Website: https://www.bilgi.edu.tr/en/academic/faculty-of-engineering-and-natural-
sciences/electrical-and-electronics-engineering/research/microsystems-research-group
More references and links are also available upon request.
Interests
YouTube Channel: Creating content on science and philosophy. [YouTube Link].
Panelist: Invited to the AI4TR - 1st Turkish Artificial Intelligence Forum for a panel discussion on science and
education (Forum date: April 2024). [Instagram Link]
Music: Drummer in a rock band in Istanbul (Faili Mechul, 2011-2017) and instructing drum course in Konya.
Fitness: Regular cross-fit and cycling enthusiast.
Daily Reader: Philosophy, world history, anthropology and science.
Links
13th PRIME/SMACD Conference Presentation [Link].
GitHub: [Python-based framework Project] [Link].
