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Graauw, Mitchel (author)The dose computation algorithm, or dose engine, is one of the fundamental parts of radiotherapy treatment planning. These algorithms predict how the dose will be distributed inside the patient.<br/>Current dose engines are mainly based on either Monte Carlo simulations (MC) or pencil beam algorithms (PBA). MC being very precise, but relatively...master thesis 2024
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Vermeulen, Mark (author)Magnetic Resonance Imaging (MRI) is an important imaging modality, since it can create high-resolution cross-sectional images of the human body. In MRI scanners, the nuclear spin magnetization is excited using radio-frequency pulses. Images are created based on the time-evolution of this magnetization, which is characterized by relaxation times ...master thesis 2024
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van Nederveen, Milou (author)Quantum Batteries (QBs) are quantum-mechanical devices for energy storage, gaining interest due to a potential quantum advantage in power. Recently, the first experimental implementations of QBs were realised. This study characterises the superconducting transmon qubits of Starmon-5 as QBs using the Quantum Inspire platform. In addition to...master thesis 2024
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Amaldi, Emilio (author)Galaxy clusters are some of the largest known structures in the universe. Studying them observationally and theoretically can provide a lot of information on how these clusters form and are structured. One way to study them is through the so-called Sunyaev-Zel’dovich (SZ) effect, which is an interaction between the cosmic...bachelor thesis 2024
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Stevense, Wesley (author)We perform a numerical optimisation of the hardware parameters of an atomic-ensemble-based single repeater setup. The setup operates on a real-life fiber network connecting the cities Delft and Eindhoven. Besides this network, the setup encompasses photon pair sources, quantum memories, single photon detectors, and 50:50 beam splitters. The...master thesis 2024
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De Zutter, Gajtan (author)This study investigates the effect on the principal aerodynamic forces caused by home-built under-wing attachments excluding possible consequences on the aircraft’s control and manoeuvrability. Many other types of wing attachment have already been used and investigated of time. However, none of these attachments match exactly the attachment...master thesis 2024
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Rugers, Thomas (author)Magnetic Kinetic Inductance Detectors (MKIDs) are very good radiation detectors which are even capable of single photon detection in the near-infra red and higher frequency range. MKIDs are currently used to detect exoplanets and the goal is to also retrieve information of the atmosphere of exoplanets.<br/>However, MKIDs don’t have the photon...bachelor thesis 2023
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Apak, Boran (author)The goal of this thesis is expanding quantum algorithm datasets to enhance our capability to benchmark quantum systems and to open up possibilities for using machine learning techniques in quantum circuit mapping. Both of these areas are currently hindered by the lack of a wide range of useful quantum algorithms. To solve this problem, KetGPT is...master thesis 2023
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Lomans, Gabriël (author)Extremely large telescopes (ELTs) are expected to be one of the most promising astronomical observation instruments when it comes to observing exoplanets. During observations, however, Earth’s atmosphere introduces optical distortion, which needs to be corrected. For this reason, a wavefront sensor (WFS) will be developed that comprises a 100 ⇥...bachelor thesis 2023
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Stephens, Emlyn (author)Quantum communication provides a plethora of new possibilities compared to the realm of classical communication. Since the channels used are noisy, losses are unavoidable, and quantum repeaters are needed to transmit a signal over longer distances to overcome these exponential losses. To increase the performance of these repeaters, cutoff times...master thesis 2023
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Visser, Alje (author)A phenomenon that compromises the health of city inhabitants is the urban heat island (UHI) effect. This effect is mainly driven by thermal radiation and designates the typically higher air temperature in cities compared to the surrounding rural areas. Over 55% of the world’s population lives in cities, and with this percentage set to rise to...master thesis 2023
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Whitman, Charles (author)This work seeks to resolve an outstanding problem in the use of reinforcement-learning methods for the simulation of economically-rational agents. We discuss the problem of non-stationarity, and how this subsequently limits market simulation capabilities. After explicating and isolating the source of the problem for a day-ahead electricity...master thesis 2023
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Brandwijk, Anouk (author)Calcium is the most abundant mineral in the human body and is essential for building and maintaining bones and teeth. Only 20-30% of the calcium in milk can be absorbed by the human body. 90% of the insoluble calcium in milk is located in the casein micelles, and 40% of this calcium is hard to exchange.<br/>It is important to understand how this...master thesis 2023
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Spruit, Esther (author)Holmium-166 is a promising radionuclide for therapeutic and imaging applications due to its advantageous decay characteristics. However, these applications require or would benefit from a higher specific activity of <sup>166</sup>Ho than that obtained via a <sup>165</sup>Ho(n,γ)<sup>166</sup>Ho reaction by irradiating a pure <sup>165</sup>Ho...master thesis 2023
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Bhatnagar, Dhruv (author)Achieving universal and scalable quantum computing with reliably low error rates, despite the presence of unreliable circuit components, requires fault-tolerant quantum error correction. In general, quantum error correction imposes a significant overhead on the computation, motivating exploration of opportunities for optimization. Flag fault...master thesis 2023
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Szkudlarek, Sacha (author)This thesis presents a novel formulation to study the qubit-mapping problem (QMP). The presented for- mulation redefines the problem in terms of density matrices which represent the quantum algorithm and the underlying architecture—allowing the implementation of techniques from quantum information theory to es- tablish a bounded metric space for...master thesis 2023
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de Nijs, Joost (author)The rotational velocities of stars in galaxies indicate that either Newtonian gravity breaks down on this scale, or that there is extra mass in the universe that has not been observed. The former is known as Modified Newtonian Dynamics (MOND), whereas the latter option is known as the dark matter paradigm. In this thesis a version of MOND is...bachelor thesis 2023
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van Lieshout, Erik (author)The main objective of this research was to determine the feasibility of using the Timepix3 detector, a novel hybrid-pixel detector developed by CERN, as a tool for imaging ex-vivo slices of tumour tissue treated with 225Ac Targeted Alpha Therapy. Targeted Alpha Therapy using 225Ac-PSMA shows promise as a therapeutic method, as it allows direct...master thesis 2023
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Dijksman, Calvin (author)The distribution of multiple entangled pairs plays a vital role in various applications, such as quantum metrology, blind quantum computing, quantum key distribution, and quantum teleportation. While qubit-based protocols exist, they are often limited by short coherence times in quantum memories and the need for individual pair generation,...master thesis 2023
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Kwinkelenberg, Sven (author)Magnetic resonance fingerprinting is an MRI-based technique that allows for fast, simultaneous quantitative mapping of multiple tissue parameters. Multi-component MRF (MC-MRF) additionally allows for the mapping of multiple tissue components per voxel. Currently, most MC-MRF implementations ignore any nonlinear effects on signals resulting from...master thesis 2023