Sökning: "Physics and Astronomy"

Visar resultat 1 - 5 av 935 uppsatser innehållade orden Physics and Astronomy.

1. 1. Development of a DC Beam Model for the First Prototype of the ESS Virtual Machine

   Magister-uppsats, Lunds universitet/Kärnfysik; Lunds universitet/Fysiska institutionen

   Författare :Benjamin Bolling; [2019]
   Nyckelord :Particle; Accelerator; Beam; Physics; Science; Virtual Machine; Virtual; Machine; Physics and Astronomy;

   Sammanfattning : The European Spallation Source is currently under construction in Lund, Sweden. Consisting of a linear accelerator delivering an unprecedented 5 MW proton beam to the spallation source, i.e. LÄS MER

3. 2. A Fabry–Pérot Cavity for Rare-Earth-Ion-Doped Nanocrystals

   Kandidat-uppsats, Lunds universitet/Atomfysik; Lunds universitet/Fysiska institutionen

   Författare :Andre Nüsslein; [2019]
   Nyckelord :Quantum Computer; Rear Earth Ions; Cavity; Laser; Cavity Quantum Electrodynamics; QED; Solidworks; Physics and Astronomy;

   Sammanfattning : This thesis work contributes to the effort of detecting single rare earth ions doped into crystals, an operation crucial for the development of rare earth quantum computer hardware. Doping crystals with rare earth elements, their trivalent ions substitute some of the crystal’s original bonds. LÄS MER

4. 3. Dispersion management and characterization of ultrashort laser pulses for the optimization of parametric processes

   Master-uppsats, Lunds universitet/Atomfysik; Lunds universitet/Fysiska institutionen

   Författare :Axel Elfving; [2019]
   Nyckelord :frequency resolved optical gating; optical parametric amplification; difference frequency generation; nonlinear optics; laser pulse compression; lasers; optics; Technology and Engineering; Physics and Astronomy;

   Sammanfattning : This thesis set out to continue the development of a short-wave infrared (SWIR) optical parametric amplifier (OPA). The system is based on a Yb-ber chirped pulse amplification (CPA) laser delivering 400 fs long pulses, centered around 1030 nm, at 200 kHz repetition rate and 40 W average power. LÄS MER

5. 4. How did Jupiter form?

   Kandidat-uppsats, Lunds universitet/Astronomi

   Författare :Calle Ahlgren; [2019]
   Nyckelord :Planet formation; Planet migration; Physics and Astronomy;

   Sammanfattning : Two relatively new concepts in planetary science are planetary migration; wherein the planets migrate through the protoplanetary disk as they form, and pebble accretion; wherein the planetesimals which become terrestrial planets and giant planet cores grow through the accretion of small pebbles. Planetary migration has become a generally accepted concept but there is still much to be learned even about how it affected the formation of our own solar system. LÄS MER

7. 5. Detection of Archaeological Sites from Aerial Imagery using Deep Learning

   Master-uppsats, Lunds universitet/Institutionen för astronomi och teoretisk fysik

   Författare :Jorge Lazo; [2019]
   Nyckelord :Deep Learning; Archaeology; Computer Vision; Aerial Imagery; Transfer Learning.; Physics and Astronomy;

   Sammanfattning : In recent years, Deep Learning has proven to be an outstanding tool in the field of computer vision showing promising results in different fields such as the analysis of medical images, obstacle detection for self-driving cars, automatic image caption generation, etc. In the case of Archaeology, the adoption of these methods in the detection of archaeological structures from aerial images has been slower than in other fields. LÄS MER