Sökning: "optics"

Visar resultat 1 - 5 av 979 avhandlingar innehållade ordet optics.

  1. 1. Diffractive Optics Design

    Författare :Jörgen Bengtsson; [1997]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; computer-generated waveguide hologram; diffractive optics; fan-out; millimeter wave radiation; proximity effect; optimal-rotation-angle method; kinoform; integrated optics; beam shaping; outcoupling grating; scalar optics;

    Sammanfattning : Diffractive optical elements (kinoforms) change the way light propagates, and can perform very complex tasks. They can split an incident beam into any number of outgoing, and possibly focused, beams (fan-out). LÄS MER

  2. 2. Quantum Optics and Quantum Information Processing in Rare-Earth-Ion-Doped Crystals

    Detta är en avhandling från Department of Physics, Lund University

    Författare :Nicklas Ohlsson; [2003]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Rare-earth ions; Optical processing; Optical storage; Electromagnetism; akustik; optik; Elektromagnetism; optics; acoustics; Photon echo; Quantum optics; Quantum computing; Fysicumarkivet A:2003:Ohlsson;

    Sammanfattning : In this thesis, aspects of the use of cryogenically cooled rare-earth-ion-doped crystals in the fields of quantum optics and quantum information processing are addressed. The experiments and theoretical considerations referred to in this thesis are based on the coherent transient interaction between light and the ions in the crystals. LÄS MER

  3. 3. Diffractive optics applications

    Detta är en avhandling från Department of Physics, Lund University

    Författare :Anders Magnusson; [2002]
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; coherent imaging; optical interconnects; diffractive optics; beam steering; interferometer; DO; analog-to-digital; kinoform;

    Sammanfattning : .... LÄS MER

  4. 4. Methods of Multi-Conjugate Adaptive Optics for Astronomy

    Detta är en avhandling från Lund Observatory, Lund University

    Författare :Ralf Flicker; [2003]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Adaptive optics; anisoplanatism; laser guide stars; performance estimation; wavefront reconstruction; extremely large telescopes; optics; Electromagnetism; Elektromagnetism; acoustics; Astronomy; akustik; space research; optik; multi-conjugate; cosmic chemistry; Astronomi; rymdvetenskap; kosmisk kemi; Fysicumarkivet A:2003:Flicker;

    Sammanfattning : This work analyses several aspects of multi-conjugate adaptive optics (MCAO) for astronomy. The research ranges from fundamental and technical studies for present-day MCAO projects, to feasibility studies of high-order MCAO instruments for the extremely large telescopes (ELTs) of the future. LÄS MER

  5. 5. Manipulation of Light with Transformation Optics

    Detta är en avhandling från Stockholm : KTH

    Författare :Wei Yan; Min Qiu; Niels Asger Mortensen; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; transformation optics; Maxwell’s equations; invisibility cloaks; compensated bilayer; perfect imaging; optical illusion; nihility media; α media; NATURAL SCIENCES Physics Other physics Optics; NATURVETENSKAP Fysik Övrig fysik Optik;

    Sammanfattning : Transformation optics, a recently booming area, provides people a new approach to design optical devices for manipulating light. With transformation optics, a lot of novel optical devices are proposed, such as invisibility cloaks, optical wormholes, optical black holes, illusion devices. LÄS MER