Search for dissertations about: "Laser stabilisation"

Showing result 1 - 5 of 8 swedish dissertations containing the words Laser stabilisation.

  2. 1. Laser-Driven Plasma Waves for Particle Acceleration and X-ray Production

    Author : Guillaume Genoud; Atomfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Laser plasma acceleration of electrons and protons; laser-wakefield acceleration; plasma waves; plasma-wiggler radiation; betatron radiation; laser guiding; laser pointing stabilisation;

    Abstract : This thesis presents experimental results related to laser plasma accelerators. These rely on very different principles from conventional particle accelerators. READ MORE

  4. 2. Towards single Ce ion detection in a bulk crystal for the development of a single-ion qubit readout scheme

    Author : Ying Yan; Atomfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Fysicumarkivet A:2013:Yan; Ultra-violet laser spectroscopy; Single ion detection; Rare-earth-ion-doped crystals; Quantum computing; Laser stabilisation;

    Abstract : The work presented in this thesis was concerned with investigating the relevant spectroscopic properties of Ce ions randomly doped in an Y2SiO5 crystal at low temperatures (around 4 K), in order to develop a technique and an experimental set-up to detect the fluorescence photons emitted by a single Ce ion. The aim of the work was to determine whether a single Ce ion (referred to as the readout ion) can be used as a local probe to sense the quantum state of a neighbouring single-ion qubit via a state-selective interaction between the readout and qubit ion. READ MORE

  5. 3. Quantum computing with naturally trapped sub-nanometre-spaced ions

    Author : Lars Rippe; Atomfysik; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Laserteknik; Laser technology; Atom- och molekylärfysik; Atomic and molecular physics; akustik; optik; Elektromagnetism; optics; acoustics; Electromagnetism; Fysik; Physics; entanglement; spectroscopy; rare-earth-metal-ion-doped crystals spectral hole-burning; inversion; excitation; laser stabilization; quantum computation; quantum gate;

    Abstract : The main aim of this work, was to lay the foundations for the experimental realisation of a quantum mechanical controlled NOT gate in rare-earth-metal-ion-doped crystals. Small amounts of rare-earth elements, added during the growth of some inorganic crystals, will become substituted into the crystal lattice as trivalent ions. READ MORE

  6. 4. Frequency stable diode lasers in atomic physics and fundamental metrology

    Author : Johan Åman; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Iodine; semiconductor laser; frequency standard; frequency stabilisation; Calcium; length standard; fundamental metrology; extended cavity; experimental atomic physics;

    Abstract : .... READ MORE

  7. 5. Laser-arc treatment of aluminium alloys

    Author : Alexander Zolotarevski; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Manufacturing Systems Engineering; Produktionsutveckling;

    Abstract : The increasing use of aluminium alloys in high demand applications has lead to the development of a number of surface treatment technologies designed to improve hardness and wear characteristics. This thesis investigates the combination of a high power laser beam and an electric arc to produce new surfaces on aluminium alloys. READ MORE