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Ultrashort broadband pulses can exhibit spatio-temporal couplings (STCs), where the spatial and temporal properties of the beam are introduced by dispersive optical elements. These couplings, including spatial chirp, pulse-front tilt, and pulse-front curvature, can degrade pulse focusing and affect experiments using broadband ultrashort pulses. This project investigates STCs introduced by optical
Magnetic material-superconductor heterostructures are promising candidates for applications in superconducting electronics and superconducting spintronics. This thesis investigates bar devices of two different magnetic material-superconductor heterostructures: CuMnAs/Al and MnTe/Al, where CuMnAs is an antiferromagnet (AFM) and MnTe is an altermagnet. AFMs and altermagnets are interesting for use i
Single rare-earth ions in crystals are promising systems for quantum information experiments, but detecting the fluorescence from a single ion remains challenging. An open-access fibre Fabry–Pérot microcavity can enhance the ion–light interaction and improve photon collection, but useful operation requires the cavity length to be stabilized at the picometer scale. This thesis studies both passive
Most gendered research on cycling has been conducted in the Global North, leaving out the experiences of other countries. Chile, in the context of mobility, has been recognised in the region for its significant steps towards sustainability; however, it still lacks when it comes to cycling, and, according to previous studies, the gender gap in Santiago remains under 30 per cent for women. This thes
Social blandning har framträtt som ett väsentligt planeringsideal i samtida stadsutveckling, med antagandet att större mångfald i bostadsinnehav och befolkningssammansättning kan leda till mer socialt hållbara samhällen. Denna studie undersöker implementeringen av social mix som en lösning för att lösa segregationsproblemet i Malmö stad. Genom en jämförande fallstudie av två planeringsprogram, HolSocial mix has emerged as an essential planning ideal in contemporary urban development, with the assumption that greater diversity in housing tenure and population composition can lead to more socially sustainable communities. This study examines the implementation of social mix as a solution to solving the segregation problem in the city of Malmö. Through a comparative case study of two planning
This thesis explores resilience from an Indigenous perspective, drawing on a short ethnographic fieldwork conducted in Guovdageaidnu (Kautokeino) in 2025, one of the most distinctly Sámi municipalities in Northern Norway. Rather than treating resilience as a simple reaction to adversity, the study approaches the concept as an active and ongoing process embedded in daily traditional practices and e
Promising advances in the field of ultra low power computing are based on the design of high-density ferroelectric memories with non-destructive readout. In this bachelor thesis, the objective is to study HfxZr1−xO2 thin films as one of the most popular candidates to replace traditional dielectrics. A thermal annealing procedure is required for the fabrication of these devices, since the ferroelec
Ultrasound optical tomography (UOT) combines the high contrast of optical imaging with the spatial resolution of ultrasound, making it a promising modality for imaging in scattering media. Conventionally, UOT relies on focused ultrasound to localize the acousto-optic interaction. An alternative approach, Fourier-transform UOT (FT-UOT), has been proposed to encode spatial information using spatiall
Background Sustainability has become an increasingly central aspect of supplier and supply chain governance, driven by regulatory requirements, stakeholder expectations, and companies’ own sustainability objectives. As supply chains are often global, complex, and characterised by different levels of supplier dependency, companies face challenges in ensuring that suppliers comply with environmental
Plattrambroar är vanligt förekommande i Sverige och utsätts kontinuerligt för temperaturvariationer. Dessa variationer ger upphov till tvångslaster när konstruktionen hindras från att röra sig fritt vid termisk expansion eller kontraktion. Tidigare studier indikerar att armeringsmängden i plattrambroar har ökat betydligt under de senaste 50 åren, vilket bland annat kan kopplas till ökade krav på tPortal frame bridges are common in Sweden and are continuously subjected to temperature variations. These variations give rise to restraint forces when the structure is prevented from moving freely during thermal expansion or contraction. Previous studies indicate that the amount of reinforcement in portal frame bridges has increased substantially over the past 50 years, which can partly be attrib
Micro- and nanoplastics (MNPs) are widespread environmental pollutants capable of crossing biological barriers. Nanoplastic tyre wear particles (NTWP) are of particular concern because tyre abrasion is a major source of nanoplastic pollution. This study investigated whether NTWP affects monocyte-derived dendritic cell (moDC) activation and subsequent T cell responses, both without antigen and in t
This Bachelor’s thesis from the School of Social Work, Lund University aims to use qualitative interview data from various social service providers to identify problems and difficulties people with mental illness face in finding stable housing. We conducted and analyzed semi-structured verbal interviews with five social workers, four of whom worked for the municipality in various capacities and on
The growing power of online platforms in the digital public sphere raises several human rights concerns. One of these is how journalistic content on online platforms should be protected. Article 18 EMFA responds to the vulnerability of MSP content on VLOPs by introducing a procedural framework to protect MSPs content from arbitrary restrictions imposed by VLOPs on the basis of their terms and cond
The purpose of this thesis is to explore how young people themselves view gang crime and why young people are drawn to criminal groups. The study is based on interviews with individuals who have experience with the gang environment in Malmö. The material has been analyzed using a class perspective and subculture theory, as well as previous research on youth crime and gang crime. The results show t
Objectives. This study examines how family members of adolescents who have engaged in criminal behaviour describe their relationship with the adolescents, how they dealt with challenges, and how they make sense of their situation. Methods. Data were collected from four autobiographies written by family members of adolescents who have engaged in criminal behaviour. A qualitative content analysis wa
Fritidsgårdsverksamhet har länge varit ett ämne för diskussion och debatt och synen på verksamhetens funktion har genom åren haft en skiftande karaktär. Fritidsgårdarna har sedan de en gång startade ofta beskrivits som en plats för att fånga upp stökiga ungdomar och förebygga sociala problem. Samtidigt har det vuxit fram en annan syn på fritidsgårdarna som en främjande plats för kreativitet och et
Regeringen har genomfört ett antal lagändringar på det kriminalpolitiska området i repressiv riktning den senaste mandatperioden. Även Socialdemokraterna, som är i opposition, förespråkar olika typer av straffskärpningar och däribland sänkt straffbarhetsålder, detta trots att straffskärpningar inte har något stöd i forskning. Denna uppsats undersöker vad det är som ger upphov till den politiska gå
