Sökning: "cryostat"

Visar resultat 6 - 10 av 15 uppsatser innehållade ordet cryostat.

1. 6. Probing magnetic Dynamics inNanoarrays using AC susceptibility

   L3-uppsats, Uppsala universitet/Materialfysik

   Författare :Tobias König; [2020]
   Nyckelord :;

   Sammanfattning : This project revised a magneto-optical ac susceptometer aiming to improve the experimentalapproach to investigate the magnetization dynamics of magnetic nano arrays.First the experimental setp was equipped with a new Helmholtzcoil which enables strongerAC magnetic eld compared to the installed coils on the system. That includes i.e. LÄS MER

3. 7. 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. 8. Optical studies of wrapgated InP nanowires

   Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

   Författare :Henrik Torstensson; [2019]
   Nyckelord :Nanowire; InP; ITO; wrapgate; photoluminescence; interface states.; Physics and Astronomy;

   Sammanfattning : This thesis describes optical spectroscopy on III-V semiconductor InP nanowires (NW) with a transparent indium-tin-oxide (ITO) gate electrode. The NWs are arranged both as vertical arrays with a wrap all around gate and as single lateral NWs with an omega-shaped gate for increased electrostatic effect. LÄS MER

5. 9. "Fat" Nanobeam-Waveguide Resonator for Suppressing Spectral Diffusion in InGaAs Quantum Dots

   Master-uppsats, Lunds universitet/Fasta tillståndets fysik; Lunds universitet/Fysiska institutionen

   Författare :Qinda Guo; [2019]
   Nyckelord :Physics and Astronomy;

   Sammanfattning : The coherent coupling of photons to solid state emitters is one of the building blocks for future quantum technology. However, one of the main sources for non-perfect or even strongly reduced coherence of the photons is charge noise which introduces energy shifts during or in between the photon emission events. LÄS MER

7. 10. Setup for residual magnetic field measurements in cryostats

   Uppsats för yrkesexamina på avancerad nivå, Uppsala universitet/FREIA

   Författare :Carl Filip von Ehrenheim; [2018]
   Nyckelord :Cryostat; hall probe; magnetometer; pcb;

   Sammanfattning : This thesis covers considerations regarding commercially availble magnetic field sensors and the design work and assembly of a 3-axis magnetic field sensor of Hall technology that is tested for use in a cryostat at the FREIA laboratory, Uppsala university. The assembled sensor needs to withstand cryogenic temperatures and a high vacuum environment. LÄS MER