Essays about: "vågor"

Showing result 16 - 20 of 113 essays containing the word vågor.

  1. 16. Design of a 200Gbps externally modulated laser for opto-electronic integration

    University essay from KTH/Tillämpad fysik

    Author : Tianyu Jiang; [2022]
    Keywords : Optical modulator; Externally modulated laser; Traveling-wave; Electroabsorption; PSPICE; Optisk modulator; externmodulerad laser; Resande-våg; Elektroabsorption; PSPICE;

    Abstract : Segmented traveling wave electro-absorption modulators (TWEAMs) can provide a modulation speed above 100 Gb/s, which is needed in new optical communication networks. In the EU-project TWILIGHT, KTH continues the design work of TWEAMs in the EU-projects IPHOBAC and HECTO with the aim to design a new optical modulator to be integrated with an electronic layer. READ MORE

  3. 17. Comparison of RF Heating in ASDEX Upgrade and ITER

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Axel Blennå; Mark Kalldas; [2022]
    Keywords : Fusion; ASDEX Upgrade; ITER; FEMIC; ICRH; eigenmode; beam; wave absorption;

    Abstract : The increased effects of global warming have been a driving force to further research and develop sustainable energy sources, such as fusion. In this study, two different fusion devices are compared in terms of ion cyclotron resonance heating (ICRH)of plasma. The two devices are the tokamaks ASDEX Upgrade and not yet built ITER. READ MORE

  4. 18. Quantum Gauge Fields in Cosmology: Cosmic Inflation and Gravitational Waves

    University essay from Lunds universitet/Teoretisk partikelfysik - Geonomgår omorganisation

    Author : Emma Hermansson; [2022]
    Keywords : Physics and Astronomy;

    Abstract : In this thesis, the consequences of introducing Yang-Mills fields into cosmology are investigated. This is done by the effective action approach, in which the coupling constant is allowed to depend on the quantum fields. READ MORE

  5. 19. Determining the Acoustic Mobility of Breast Cancer Cells

    University essay from Lunds universitet/Avdelningen för Biomedicinsk teknik

    Author : Simon Olsson; [2022]
    Keywords : Technology and Engineering;

    Abstract : Breast cancer is one of the most common forms of cancer detected in women. Its heterogeneity and large mutational landscape requires treatment strategies which varies between patients. Triple negative breast cancer (TNBC) is a particularly aggressive subtype which 12-17 \% of breast cancer patient develop. READ MORE

  6. 20. Including Finite Larmor Radius Effects on RF Heating of Fusion Plasmas using Weak-Form Contributions in COMSOL

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Jonas Christ; [2022]
    Keywords : plasma; fusion; RF; radio frequency; IBW; FW; ion Bernstein wave; fast wave; simulation; FEM; finite element method; Taylor; Taylor expansion; COMSOL; MATLAB; FLR; finite larmor radius; magnetized plasma; hot plasma; thermal plasma; plasma; fusion; radiofrekvens; simulation; FEM; finita elementmethod; Taylor; Taylorutveckling; COMSOL; MATLAB; FLR; ändliga Larmorradie-effekter;

    Abstract : In a fusion plasma, the ions have to be heated to reach fusion relevant temperatures. One possibility is to launch an electromagnetic wave in the radio frequency band into the plasma. This wave can resonate with the ions at their cyclotron frequency and hence, the method is called ion cyclotron resonance heating. READ MORE