18 Marzo 2022 admin

Giansergio Menduni – Homepage

Giansergio Menduni

Assistant Professor
email: giansergio.menduni@poliba.it
tel: +39 080 5442830
Physics Department, Room 234

Employment History:

01/10/2024 – Present Fixed-term Researcher, Type B (RTD-B), at the M. Merlin Interuniversity Department of Physics, Polytechnic University of Bari, working on the project “Study and development of optical sensing and spectroscopy techniques for gas detection”, PHYS-03/A.
01/01/2022 – 30/09/2024 Fixed-term Researcher, Type A (RTD-A), at the M. Merlin Interuniversity Department of Physics, Polytechnic University of Bari, working on the project “Innovative optical sensors for breath analysis”, academic discipline FIS/07, under the PON “Research and Innovation” 2014–2020 funding scheme, proposed by Prof. Vincenzo Spagnolo.
29/03/2021 – 31/12/2021 Research Fellow at the Polytechnic University of Bari, working on “Design and implementation of compact electronics for trace gas sensing”, academic disciplines ING-INF/01 and FIS/03, within the European PASSEPARTOUT project, proposed by Prof. Cristoforo Marzocca.

Educational History:

2015 Bachelor degree in Electronics and Telecommunications Engineering summa cum laude from Politecnico di Bari (IT)
2017 Master degree in Electronics Engineering summa cum laude from Politecnico di Bari (IT)
2021 PhD and Doctor Europaeus in Electrical and Information Engineering from Politecnico di Bari (IT)

 International Mobility:

09/01/2023 – 08/04/2023 Visiting Researcher in the Semiconductor Technology group, Walter Schottky Institute, Technical University of Munich (TUM), Munich, Germany.
17/10/2022 – 30/11/2022 Visiting Researcher in the Semiconductor Technology group, Walter Schottky Institute, Technical University of Munich (TUM), Munich, Germany.
01/03/2020 – 06/06/2020 Visiting PhD Student in the Spectroscopy and Tunable Lasers group, Thorlabs GmbH, Bergkirchen, Germany.
01/11/2019 – 30/11/2019 Visiting PhD Student in the Sensors Development Team, Aramco Services Company, Houston, TX.
01/03/2019 – 31/05/2019 Visiting PhD Student in the Spectroscopy and Tunable Lasers group, Thorlabs GmbH, Dachau, Germany.

Teaching Activities:

Academic year 2025/2026 Responsible for 2 CFU in “Mechanics Laboratory” within the secondary school teacher qualification programme, teaching class B003 – PHYSICS LABORATORIES, University of Bari.
Academic year 2025/2026 Responsible for 6 CFU in “General Physics – Module B”, Bachelor’s Degree in Digital Creativity Engineering, Polytechnic University of Bari.
Academic year 2024/2025 Responsible for 6 CFU in “General Physics – Module B”, Bachelor’s Degree in Digital Creativity Engineering, Polytechnic University of Bari.
Academic year 2024/2025 Responsible for 6 CFU in “General Physics – Module B”, common courses for Bachelor’s Degrees in Engineering, Polytechnic University of Bari.
Academic year 2024/2025 Course lecturer for “NIR and MIR laser coupling with fibers” (2 CFU), PhD programme in Smart and Sustainable Industry, 40th cycle, Polytechnic University of Bari.
Academic year 2023/2024 Course lecturer for “Hollow-Core Fiber Optics” (2 CFU), PhD programme in Physics, 39th cycle, University of Bari Aldo Moro.
Academic year 2023/2024 Responsible for 1 CFU in “Experimental Physics III – Electronics Laboratory”, Bachelor’s Degree in Physics, University of Bari Aldo Moro.
Academic year 2022/2023 Course lecturer for “Hollow-Core Fiber Optics” (2 CFU), PhD programme in Physics, 38th cycle, University of Bari Aldo Moro.
Academic year 2022/2023 Responsible for 1 CFU in “Experimental Physics III – Electronics Laboratory”, Bachelor’s Degree in Physics, University of Bari Aldo Moro.

Research conducted from 2018 to the present falls within the academic fields 02/B1 – Experimental Physics of Matter and 02/D1 – Applied Physics, Physics Education and History of Physics, in both of which he holds the Italian National Scientific Qualification (ASN) for Associate Professor. His work focuses on the design and development of optical trace gas sensors for i) environmental pollutant monitoring, ii) biomedical breath analysis and iii) natural gas sample analysis in petrochemical and geochemical applications, as well as iv) the design of signal-conditioning electronics for piezoelectric transducers. In particular, his research has focused on developing optical gas sensors using quartz-enhanced photoacoustic spectroscopy (QEPAS) and light-induced thermoelastic spectroscopy (LITES). Both techniques use a quartz tuning fork (QTF) as the sensing element. The main achievements are:

  • development of a QEPAS system for methane isotope detection, in collaboration with Nanyang Technological University (Singapore);
  • demonstration of a flat spectral responsivity from 1 µm to 15 µm for QTFs used as photodetectors;
  • development of the first QEPAS sensor for atmospheric methane detection over a concentration range from 0.5 ppm to 1%, in collaboration with THORLABS, commercialised in 2024;
  • first demonstration of lithium niobate tuning fork-enhanced photoacoustic spectroscopy;
  • selection of the paper “Study and Characterization of Silicon Nitride Optical Waveguide Coupling with a Quartz Tuning Fork for the Development of Integrated Sensing Platforms” (2025), Sensors, 25 (12), 3663, 10.3390/s25123663, for which he is corresponding author, as the cover article for Volume 25, Issue 12 (June-2 2025) of the international journal Sensors.

His SCOPUS citation report records more than 1,500 citations across 72 documents and an h-index of 22.

In 2025, he was included in the Stanford/Elsevier “World’s Top 2% Scientists” ranking.

Participation in Research Projects:

Co-PI of the project “QUASAR-Quantum Ultra-wideband Atomic Sensor for Space Applications and Reconnaissance”, funded through Cascade Funding-PE0000023 NQSTI.

Team member of the project “Ultra-high-sensitivity multigas photoacoustic sensor for the detection of Volatile Organic Compounds (VOCs)”, funded by the Italian Ministry of Foreign Affairs and International Cooperation (MAECI) within the Italy–Singapore cooperation programme, in partnership with Nanyang Technological University, Singapore.

Team member of the European project “PASSEPARTOUT: Photonics Sensors for Pollution Monitoring”, funded by the European Union’s Horizon 2020 research and innovation programme, No. 101016956.

Team member of the European project “EVOQUE: Enhanced Selectivity VOC Detection Using Novel GC-QEPAS”, funded by the European Union’s Horizon 2020 research and innovation programme, No. 101135764.

Team member of the project “BRIEF: BioRobotics Research and Innovation Engineering Facilities”, funded by the European Union’s NextGenerationEU programme and the Italian Ministry of Universities and Research (MUR), through the National Recovery and Resilience Plan (PNRR).

Publications in Journals with International Editorial Boards

  1. A. Mongelli, A. Elefante, G. Menduni, M. Giglio, A. Zifarelli, P. Patimisco, L. O’Faolain, D. Fernandez, J. Zanotto, V. Spagnolo, A. Sampaolo, “Bridging chromatographic and photoacoustic domains: A hybrid system for compositional and isotopic analysis of natural gas”, Sens. Act. B Chem. 466, 140279 (2026), 10.1016/j.snb.2026.140279.
  2. Olivieri, A. Zifarelli, G. Menduni, E. Sallustio, A. Sampaolo, V. Spagnolo, P. Patimisco, “Quartz-enhanced photoacoustic detection of trace impurities in hydrogen: spectrophone design and CO sensing”, International Journal of Hydrogen Energy, 235, 155136 (2026), 10.1016/j.ijhydene.2026.155136.
  3. Melchiorre, G. Menduni, G. Magno, L. O’Faolain, P. Patimisco, V. Spagnolo, A. Sampaolo, “Comparison of QEPAS and BF-QEPAS approaches for methane and ethane sequential detection in the near-IR spectral range”, Optics & Laser Technology 197, 114847 (2026), 10.1016/j.optlastec.2026.114847 (Corresponding author).
  4. Olivieri, A. Elefante, G. Menduni, M. Giglio, H. Wu, L. Dong, P. Patimisco, V. Spagnolo, A. Sampaolo, “Simultaneous Detection of 12CH4, 13CH4, and Related Isotope Ratio Exploiting a Frequency-Multiplexed Mid-Infrared Quartz-Enhanced Photoacoustic Sensor”, ACS Sensors 11, 247-256 (2026), 0.1021/acssensors.5c02871.
  5. Olivieri, G. Menduni, A. Zifarelli, A.F.P. Cantatore, M. Giglio, H.R. Seren, M. Gonzalez, H. Zheng, H. Wu, L. Dong, P. Luo, P. Patimisco, V. Spagnolo, A. Sampaolo, “Piezoelectric tuning forks employed as photodetectors for hydrogen sensing”, Sens. Act. B:Chem. 446, 138652 (2026), 10.1016/j.snb.2025.138652 (Corresponding author).
  6. Elefante, M. Giglio, L. Mongelli, A. Bux, A. Zifarelli, G. Menduni, P. Patimisco, A. Caratti, C. Cagliero, E. Liberto, C. Cordero, L. Navarini, V. Spagnolo, A. Sampaolo, “Spectroscopic Study of Volatile Organic Compounds for the Assessment of Coffee Authenticity”, Molecules 30, 3487 (2025), 10.3390/molecules30173487.
  7. Melchiorre, A. Thottoli, A. S. Vorobev, G. Menduni, A. Sampaolo, G. Magno, L. O’Faolain and V. Spagnolo, “Study and Characterization of Silicon Nitride Optical Waveguide Coupling with a Quartz Tuning Fork for the Development of Integrated Sensing Platforms”, Sensors 25, 3663 (2025), 10.3390/s25123663 (Corresponding author)
  8. Feng, R. Cui, G. Menduni, A. Zifarelli, P. Patimisco, A. Sampaolo, V. Spagnolo, L. Dong, H. Wu, “Detection of NH3 impurities in H2 environment exploiting quartz-enhanced photoacoustic spectroscopy with an optimized spectrophone”, Sens. Act. B Chem. 432, 137488 (2025)
  9. Melchiorre, F. Anelli, G. Menduni, A. Annunziato, L. Bodin, S. Cozic, G. Magno, A. Sampaolo, F. Prudenzano, V. Spagnolo, “Dual-gas quartz-enhanced photoacoustic spectroscopy sensor exploiting two fiber-combined interband cascade lasers”, Photoacoustics 42, 100689 (2025), 10.1016/j.pacs.2025.100689 (Corresponding author)
  10. Feng, A. Zifarelli, G. Menduni, A. Sampaolo, H. Wu, L. Dong, V. Spagnolo, P. Patimisco Low frequency quartz tuning fork as hydrogen sensor (2024) International Journal of Hydrogen Energy, 96, 763 – 770, 10.1016/j.ijhydene.2024.11.365.
  11. Cantatore A.F.P., Menduni G., Zifarelli A., Patimisco P., Giglio M., Gonzalez M., Seren H.R., Luo P., Spagnolo V., Sampaolo A. Methane, Ethane, and Propane Detection Using a Quartz-Enhanced Photoacoustic Sensor for Natural Gas Composition Analysis (2024) Energy and Fuels, 0887-0624, 1021/acs.energyfuels.4c03726. (Corresponding author)
  12. Kinjalk K., Paciolla F., Sun B., Zifarelli A., Menduni G., Giglio M., Wu H., Dong L., Ayache D., Pinto D., Vicet A., Baranov A., Patimisco P., Sampaolo A., Spagnolo V. Highly Selective and Sensitive Detection of Volatile Organic Compounds using Long Wavelength InAs based QCLs through QEPAS (2024) Applied Physics Reviews, 11, 021427, 10.1063/5.0189501.
  13. Cantatore A.F.P., Menduni G., Zifarelli A., Patimisco P., Gonzalez M., Seren H.R., Spagnolo V., Sampaolo A. Lithium Niobate – Enhanced Photoacoustic Spectroscopy (2024) Photoacoustics, 35, 100577, 10.1016/j.pacs.2023.100577. (Corresponding author)
  14. Olivieri, M., Giglio, M., Dello Russo, S., Menduni, G., Zifarelli, A., Patimisco, P., Sampaolo, A., Wu, H., Dong, L., Spagnolo, V. Assessment of vibrational-translational relaxation dynamics of in a wet-nitrogen matrix through QEPAS (2023) Photoacoustics, 31, 100518, 10.1016/j.pacs.2023.100518.
  15. Li, B., Menduni, G., Giglio, M., Patimisco, P., Sampaolo, A., Zifarelli, A., Wu, H., Wei, T., Spagnolo, V., Dong, L. Quartz-enhanced photoacoustic spectroscopy (QEPAS) and Beat Frequency-QEPAS techniques for air pollutants detection: A comparison in terms of sensitivity and acquisition time (2023) Photoacoustics, 31, 100479, 10.1016/j.pacs.2023.100479. (Shared First authorship)
  16. Di Gioia, M., Lombardi, L., Marzocca, C., Matarrese, G., Menduni, G., Patimisco, P., Spagnolo, V. Signal-to-Noise Ratio Analysis for the Voltage-Mode Read-Out of Quartz Tuning Forks in QEPAS Applications (2023) Micromachines, 14 (3),619, 10.3390/mi14030619.
  17. Olivieri, M., Menduni, G., Giglio, M., Sampaolo, A., Patimisco, P., Wu, H., Lei, D., Spagnolo, V. Characterization of H2S QEPAS detection in methane-based gas leaks dispersed into environment (2023) Photoacoustics, 29, 100438, 10.1016/j.pacs.2022.100438.
  18. Menduni, G., Zifarelli, A., Kniazeva, E., Dello Russo, S., Ranieri, A.C., Ranieri, E., Patimisco, P., Sampaolo, A., Giglio, M., Manassero, F., Dinuccio, E., Provolo, G., Wu, H., Lei, D., Spagnolo, V. Measurement of methane, nitrous oxide and ammonia in atmosphere with a compact quartz-enhanced photoacoustic sensor (2023) Sensors and Actuators B: Chemical, 375, 132953, 10.1016/j.snb.2022.132953. (First author)
  19. Zifarelli, A., Menduni, G., Giglio, M., Elefante, A., Sukhinets, A., Sampaolo, A., Patimisco, P., Fangyuan, S., Chongwu, W., Wang, Q. J., Spagnolo, V. Compact and Versatile QEPAS-Based Sensor Box for Simultaneous Detection of Methane and Infrared Absorber Gas Molecules in Ambient Air (2022) Frontiers in Environmental Chemistry, 3, 926233, 10.3389/fenvc.2022.926233. (Shared First authorship)
  20. Menduni, G., Zifarelli, A., Sampaolo, A., Patimisco, P., Giglio, M., Amoroso, N., Wu, H., Dong, L., Bellotti, R., Spagnolo, V. High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas matrix composition (2022) Photoacoustics, 26, 100349, 10.1016/j.pacs.2022.100349. (First author)
  21. Sgobba, F., Sampaolo, A., Patimisco, P., Giglio, M., Menduni, G., Ranieri, A.C., Hoelzl, C., Rossmadl, H., Brehm, C., Mackowiak, V., Assante, D., Ranieri, E., Spagnolo, V. Compact and portable quartz-enhanced photoacoustic spectroscopy sensor for carbon monoxide environmental monitoring in urban areas (2022) Photoacoustics, 25, 100318, 10.1016/j.pacs.2021.100318.
  22. Luo, P., Harrist, J., Menduni, G., Mesdour, R., StMichel, N., Sampaolo, A. Simultaneous Detection of Methane, Ethane, and Propane by QEPAS Sensors for On-Site Hydrocarbon Characterization and Production Monitoring (2022) ACS Omega, 7 (4), pp. 3395-3406, 10.1021/acsomega.1c05645.
  23. Wei, T., Zifarelli, A., Dello Russo, S., Wu, H., Menduni, G., Patimisco, P., Sampaolo, A., Spagnolo, V., Dong, L. High and flat spectral responsivity of quartz tuning fork used as infrared photodetector in tunable diode laser spectroscopy (2021) Applied Physics Reviews, 10.1063/5.0062415.
  24. Olivieri, M., Zifarelli, A., Menduni, G., Di Gioia, M., Marzocca, C., Passaro, V.M.N., Sampaolo, A., Giglio, M., Spagnolo, V., Patimisco, P. Influence of air pressure on the resonance properties of a t-shaped quartz tuning fork coupled with resonator tubes (2021) Applied Sciences (Switzerland), 11 (17), 7974, 10.3390/app11177974.
  25. Dello Russo, S., Sampaolo, A., Patimisco, P., Menduni, G., Giglio, M., Hoelzl, C., Passaro, V.M.N., Wu, H., Dong, L., Spagnolo, V. Quartz-enhanced photoacoustic spectroscopy exploiting low-frequency tuning forks as a tool to measure the vibrational relaxation rate in gas species (2021) Photoacoustics, 21, 100227, 10.1016/j.pacs.2020.100227.
  26. De Carlo, M., Menduni, G., Sampaolo, A., De Leonardis, F., Spagnolo, V., Passaro, V.M.N. Modeling and Design of a Semi-Integrated QEPAS Sensor (2021) Journal of Lightwave Technology, 39 (2), 9222489, pp. 646-653, 10.1109/JLT.2020.3030682.
  27. Menduni, G., Sgobba, F., Russo, S.D., Ranieri, A.C., Sampaolo, A., Patimisco, P., Giglio, M., Passaro, V.M.N., Csutak, S., Assante, D., Ranieri, E., Geoffrion, E., Spagnolo, V. Fiber-coupled quartz-enhanced photoacoustic spectroscopy system for methane and ethane monitoring in the near-infrared spectral range (2020) Molecules, 25 (23), 5607, 10.3390/molecules25235607. (First author)
  28. Sampaolo, A., Menduni, G., Patimisco, P., Giglio, M., Passaro, V.M.N., Dong, L., Wu, H., Tittel, F.K., Spagnolo, V. Quartz-enhanced photoacoustic spectroscopy for hydrocarbon trace gas detection and petroleum exploration (2020) Fuel, 277, 118118, 10.1016/j.fuel.2020.118118.
  29. Zifarelli, A., Giglio, M., Menduni, G., Sampaolo, A., Patimisco, P., Passaro, V.M.N., Wu, H., Dong, L., Spagnolo, V. Partial Least-Squares Regression as a Tool to Retrieve Gas Concentrations in Mixtures Detected Using Quartz-Enhanced Photoacoustic Spectroscopy (2020) Analytical Chemistry, 92 (16), pp. 11035-11043, 10.1021/acs.analchem.0c00075.
  30. Elefante, A., Menduni, G., Rossmadl, H., Mackowiak, V., Giglio, M., Sampaolo, A., Patimisco, P., Passaro, V.M.N., Spagnolo, V. Environmental monitoring of methane with quartz-enhanced photoacoustic spectroscopy exploiting an electronic hygrometer to compensate the H2O influence on the sensor signal (2020) Sensors (Switzerland), 20 (10), 2935, 10.3390/s20102935.
  31. Sgobba, F., Menduni, G., Russo, S.D., Sampaolo, A., Patimisco, P., Giglio, M., Ranieri, E., Passaro, V.M.N., Tittel, F.K., Spagnolo, V. Quartz-enhanced photoacoustic detection of ethane in the near-IR exploiting a highly performant spectrophone (2020) Applied Sciences (Switzerland), 10 (7), 2447, 10.3390/app10072447.
  32. Menduni, G., Sampaolo, A., Patimisco, P., giglio, M., Russo, S.D., Zifarelli, A., Elefante, A., Wieczorek, P.Z., Starecki, T., Passaro, V.M.N., Tittel, F.K., Spagnolo, V. Front-end amplifiers for tuning forks in quartz enhanced photoacoustic spectroscopy (2020) Applied Sciences (Switzerland), 10 (8), 2947, 10.3390/APP10082947. (First author)
  33. Giglio, M., Zifarelli, A., Sampaolo, A., Menduni, G., Elefante, A., Blanchard, R., Pfluegl, C., Witinski, M.F., Vakhshoori, D., Wu, H., Passaro, V.M.N., Patimisco, P., Tittel, F.K., Dong, L., Spagnolo, V. Broadband detection of methane and nitrous oxide using a distributed-feedback quantum cascade laser array and quartz-enhanced photoacoustic sensing (2020) Photoacoustics, 17, 100159, 10.1016/j.pacs.2019.100159.
  34. Elefante, A., Giglio, M., Sampaolo, A., Menduni, G., Patimisco, P., Passaro, V.M.N., Wu, H., Rossmadl, H., Mackowiak, V., Cable, A., Tittel, F.K., Dong, L., Spagnolo, V. Dual-Gas Quartz-Enhanced Photoacoustic Sensor for Simultaneous Detection of Methane/Nitrous Oxide and Water Vapor (2019) Analytical Chemistry, 91 (20), pp. 12866-12873, 10.1021/acs.analchem.9b02709.
  35. Dello Russo, S., Giglio, M., Sampaolo, A., Patimisco, P., Menduni, G., Wu, H., Dong, L., Passaro, V.M.N., Spagnolo, V. Acoustic coupling between resonator tubes in quartz-enhanced photoacoustic spectrophones employing a large prong spacing tuning fork (2019) Sensors (Switzerland), 19 (19), 4109, 10.3390/s19194109.
  36. Sampaolo, A., Csutak, S., Patimisco, P., Giglio, M., Menduni, G., Passaro, V.M.N., Tittel, F.K., Deffenbaugh, M., Spagnolo, V. Methane, ethane and propane detection using a compact quartz enhanced photoacoustic sensor and a single interband cascade laser (2019) Sensors and Actuators, B: Chemical, 282, pp. 952-960, 10.1016/j.snb.2018.11.132.
  37. Giglio, M., Menduni, G., Patimisco, P., Sampaolo, A., Elefante, A., Passaro, V.M.N., Spagnolo, V. Damping Mechanisms of Piezoelectric Quartz Tuning Forks Employed in Photoacoustic Spectroscopy for Trace Gas Sensing (2019) Physica Status Solidi (A) Applications and Materials Science, 216 (3), 1800552, 10.1002/pssa.201800552.

Oral Presentations at National and International Conferences

  1. Menduni G., et al. Direct and Indirect Absorption Gas Spectroscopy exploiting Lithium Niobate Tuning Forks as Innovative Detectors (2026) ICTON 2026, Prague, Czech Republic. (INVITED)
  2. Menduni G., et al. Lithium Niobate Tuning Forks as Innovative Detectors for Gas Sensing (2025) PhotonIcs and Electromagnetics Research Symposium (PIERS), Chiba, Japan.
  3. Menduni G., et al. Fast and accurate detection of methane and ethane with beat-frequency quartz enhanced photoacoustic spectroscopy (2025) International Conference on Transparent Optical Networks (ICTON 2025), Barcelona, Spain. (INVITED)
  4. Menduni G., et al. Lithium niobate tuning forks as detectors for gas sensing (2024) Field Laser Applications in Industry and Research (FLAIR 2024), Assisi, Italy.
  5. Menduni G., et al. Natural gas composition analysis with Quartz Tuning Fork-based spectroscopic techniques (2024) International Conference on Transparent Optical Networks (ICTON 2024), Bari, Italy. (INVITED)
  6. Menduni, G., et al. Fast and accurate gas sensing through beat-frequency quartz-enhanced photoacoustic spectroscopy (2024) SPIE Photonics West 2024, San Francisco, CA.
  7. Menduni, G., et al. Quartz-enhanced photoacoustic spectroscopy gas sensing exploiting beat-frequency approach (2023) Global Summit on Sensors and Sensing Technology (SENTECH2023), Webinar. (INVITED)
  8. Menduni, G., et al. Quartz tuning forks: sharp resonators for gas sensing (2023) INTERNATIONAL SCHOOL OF QUANTUM ELECTRONICS 67th Course Progress in Photoacoustic & Photothermal Phenomena Focus on BIOMEDICAL, NANOSCALE, NDE, GAS SENSING and THERMOPYSICAL PHENOMENA and TECHNOLOGIES, Erice, Italy. (INVITED)
  9. Menduni, G., et al. Quartz enhanced photoacoustic spectroscopy gas sensing exploiting beat frequency approach (2023) EUROPEAN SUMMIT ON LASER OPTICS & PHOTONICS TECHNOLOGY, Webinar. (INVITED)
  10. Menduni, G., et al. Quartz Enhanced Photoacoustic Spectroscopy and Light Induced Thermoelastic Spectroscopy for natural gas composition analysis (2023) CONFERENCE ON PHOTONICS FOR ADVANCED SPECTROSCOPY AND SENSING ENVIRONMENTAL AND BIO-MEDICAL APPLICATIONS SENSING, INDUSTRIAL PROCESS MONITORING AND AGRI-FOOD ANALYSIS, Castellaneta Marina, Italy.
  11. Menduni, G., et al. Quartz Enhanced Photoacoustic Spectroscopy Exploiting Beat Frequency Approach for Environmental Monitoring of Pollutants (2023) 16th International Conference on Mid-IR Optoelectronics: Materials and Devices MIOMD-XIV (MIOMD 2023), Norman, OK.
  12. Menduni, G., et al. Quartz Tuning Fork as Infrared Photodetector in Tunable Diode Laser Absorption Spectroscopy (2023) 3rd International Conference on Dielectric Photonic Devices and System beyond Visible, Bari, Italy. (INVITED)
  13. Menduni, G., et al. Quartz enhanced photoacoustic spectroscopy gas sensing exploiting beat frequency approach (2023) Acoustical Society of America Meeting, Chicago, IL.
  14. Menduni, G., et al. Quartz enhanced photoacoustic spectrometer for natural gas composition analysis (2022) Proceedings of SPIE – The International Society for Optical Engineering, 12008, 120080M, 10.1117/12.2608868.
  15. Menduni, G., et al. Quartz-enhanced photoacoustic sensors for detection of multiple hydrocarbon and methane isotopes, SPIE Photonics West 2019, San Francisco, CA.

Invited Seminars

  1. Menduni, G. Innovative applications of piezoelectric resonators for gas spectroscopy (2026) C2N, CNRS, Univ. Paris-Sud, Universite Paris-Saclay, Paris.
  2. Menduni, G. Innovative applications of piezoelectric resonators for gas spectroscopy (2025) Centre for OptoElectronics and Biophotonics (COEB), School of Electrical and Electronic Engineering, NTU, & IEEE Photonics Society Singapore Chapter & The OPTICA Singapore Section, Singapore.
  3. Menduni, G. Piezoelectric resonators as sensitive elements for gas spectroscopy (2024) Centre for OptoElectronics and Biophotonics (COEB), School of Electrical and Electronic Engineering, NTU, & IEEE Photonics Society Singapore Chapter & The OPTICA Singapore Section, Singapore.
  4. Menduni, G. Quartz Tuning Forks: Sharp Resonators for Gas Sensing (2023) Centre for OptoElectronics and Biophotonics (COEB), School of Electrical and Electronic Engineering, NTU, & IEEE Photonics Society Singapore Chapter & The OPTICA Singapore Section, Singapore.
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