Projects per year
Personal profile
Expertise
- Active multi-parameters wave imaging in the mm-wave domain (30-300 GHz)
- Advanced sensor solutions in the mm-wave and sub-THz domain (10-750 GHz)
- Optoelectronic devices for mid-infrared applications
- Multi-model phsyiological sensing
- Semiconductor micro-and nanotechnologies
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Dive into the research topics where Johan Stiens is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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CONI863: National Day van het Nationaal Committee van Biomedical Engineering
Stiens, J. (Administrative Promotor)
1/12/25 → 31/12/26
Project: Fundamental
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BRGRD95: Proof of Concept 2025: EQOX: Equitable Pulse oximetry
Stiens, J. (Administrative Promotor)
1/11/25 → 31/01/27
Project: Applied
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BRGRD96: Research Platform 2025: BEE: Brussels Environmental Exposome Project
Argacha, J.-F. (Administrative Promotor), Stiens, J. (PI (Promotor, Principal Investigator)), Deligiannis, N. (CoI (Co-Promotor)), Sahli, H. (CoI (Co-Promotor)), da Silva Gomes, B. T. (CoI (Co-Promotor)) & De Cruz, L. (CoI (Co-Promotor))
1/09/25 → 31/08/28
Project: Applied
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IOFPOC68: IOF PoC “ORION - Eicelpunctie met innovatieve eicelnaald”
Stiens, J. (Administrative Promotor)
1/07/25 → 31/10/26
Project: Applied
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EUAR208: ENACT: Environmental Effect on Health Care and Wellbeing and Active Interventions
da Silva Gomes, B. T. (Administrative Promotor), Stiens, J. (CoI (Co-Promotor)), Deligiannis, N. (CoI (Co-Promotor)), Sahli, H. (CoI (Co-Promotor)) & Argacha, J.-F. (CoI (Co-Promotor))
1/01/25 → 30/06/28
Project: Applied
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Asynchronous to synchronous waveform conversion for high frequency microwave and optical signals without external triggering
Pourkazemi, A., Tayebi, S., Akbarian, F., Zarghami, A., Ghasem Sharabiany, M. & Stiens, J., Dec 2025, In: Scientific Reports - Nature. 15, 1, 20 p., 25291 .Research output: Contribution to journal › Article › peer-review
Open AccessFile8 Downloads (Pure) -
Control and optimization of absorbing behavior in graphene-based multiple narrowband metamaterial absorber by machine learning
Xue, J., Chen*, C., Tian, S., Zhang, H., Wang, J., Zhao, W., Zhang, Z. & Stiens, J., 1 Aug 2025, In: Optics Communications. 587, 131958, 14 p., 131958.Research output: Contribution to journal › Article › peer-review
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Exploring the Optimal Solution for Graphene-Based Microstrip Line Attenuators
Li, Y., Chen*, C., Xue, J., Wang, J., Zhao, W., Zhang, Z. & Stiens, J., Sept 2025, In: IEEE Transactions on Device and Materials Reliability. 25, 3, p. 617-628 12 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Machine learning-optimized terahertz ultra-wideband tunable metamaterial absorber
Tian, S., Chen*, C., Xue, J., Li, Z., Wang, J. & Stiens, J., Nov 2025, In: Diamond and Related Materials. 159, Part B, 12 p., 112783.Research output: Contribution to journal › Article › peer-review
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Predicting Intra-Abdominal Hypertension Using Anthropometric Measurements and Machine Learning
Tayebi, S., Wise, R. D., van Regenmortel, N., Dits, H., Schoonheydt, K., De Laet, I., Malbrain, L., Stiens, J., Dabrowski, W. & Malbrain, M., 19 Mar 2025, In: Scientific Reports - Nature. 15, 18 p., 9532 .Research output: Contribution to journal › Article › peer-review
Open AccessFile2 Citations (Scopus)39 Downloads (Pure)
Prizes
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Best Student Paper
Zhang, L. (Recipient), Stiens, J. (Recipient) & Sahli, H. (Recipient), 2008
Prize: Prize (including medals and awards)
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Industrial Research Fund (IOF)
Stiens, J. (Recipient), Poelaert, J. (Recipient), Verdonck, M. (Recipient) & Nogueira Carvalho, H. C. (Recipient), 2020
Prize: Other distinction
Activities
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HiSilicon Sponsorship for Mini@sic tape-out
Moura Santana, L. (Participant), Wambacq, P. (Participant) & Stiens, J. (Participant)
16 Jun 2022Activity: Other › Written proposal
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Optimization of a novel indirect calorimetry technique to measure energy expenditure of patients on ECMO
Priem, S. (Presenter), Stiens, J. (Contributor) & De Waele, E. (Contributor)
11 Oct 2022Activity: Talk or presentation › Talk or presentation at a conference
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Effect of the transimpedance amplifier topology on the photoplethysmography signal
Sole Morillo, A. (Presenter), Lambert Cause, J. (Contributor), da Silva Gomes, B. T. (Contributor) & Stiens, J. (Contributor)
17 Oct 2022 → 20 Oct 2022Activity: Talk or presentation › Talk or presentation at a conference
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A novel radar-based sensor for non-invasive intra-abdominal pressure monitoring: from design towards clinical testing
Tayebi, S. (Participant), Stiens, J. (Supervisor), Malbrain, M. (Contributor) & Poelaert, J. (Contributor)
1 Nov 2021 → 31 Oct 2025Activity: Other › Written proposal
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HiSilicon Sponsorship Program for MPW Prototyping
Moura Santana, L. (Participant), Wambacq, P. (Participant) & Stiens, J. (Participant)
5 May 2020Activity: Other › Written proposal
Press/Media
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Contactloos vochtpercentage meten bij industriële droogprocessen
24/12/10
1 Media contribution
Press/Media: Other
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VUB werkt aan contactloze temperatuursmeting bij industriële vriesprocessen
1/06/10
1 Media contribution
Press/Media: Other
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Multi-parameter illumination and image processing in the W-band for concealed object detection
1/04/07
1 Media contribution
Press/Media: Other
Thesis
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A comparison of the by tDCS induced electrical field distribution between healthy controls and MS patients
Thienpont, M. ((PhD) Student), Van Schependom, J. (Promotor), Stiens, J. (Jury) & Nagels, G. (Jury), 2023Student thesis: Master's Thesis
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microwave based intra-abdominal pressure monitoring
Stiens, J. (Promotor), Malbrain, M. (Co-promotor) & Tayebi, S. ((PhD) Student), 2021Student thesis: Master's Thesis
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Quantitative Analysis of PPG Signals
Tatazi, X. ((PhD) Student), da Silva, B. (Promotor), Stiens, J. (Co-promotor) & Lambert Cause, J. (Advisor), Lambert Cause, J. (Promotor), 28 Oct 2021Student thesis: Master's Thesis
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Robustified multi-functional photoplethysmography (PPG) monitoring system for continuous vital signs detection: A Global Health challenge
Stiens, J. (Promotor), Malbrain, M. (Co-promotor) & Sole Morillo, A. ((PhD) Student), 2024Student thesis: Doctoral Thesis
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Simulating the stimulation of the human brain using novel stimulation paradigms
Bodean, C. ((PhD) Student), Van Schependom, J. (Promotor), Stiens, J. (Co-promotor) & Nagels, G. (Jury), 2022Student thesis: Master's Thesis