Sökning: "harmonic cavities"

Visar resultat 1 - 5 av 7 avhandlingar innehållade orden harmonic cavities.

1. 1. Higher harmonic cavities at 3rd generation synchrotron light sources

   Författare :Mattias Georgsson; Lunds universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Double RF system; Electron storage ring; Instabilities; Landau damping; Beam lifetime; Physics; Synchrotron radiation; Fysik;

   Sammanfattning : Synchrotron radiation is a tool widely used in science. It is produced by electron accelerators called storage rings. With the high performance of the 3rd generation synchrotron light sources, the scientific results are excellent. It is important to identify and overcome the limitations of a storage ring in order to enhance its performance. LÄS MER

3. 2. Many-photon effects in time-resolved second harmonic generation from systems in optical cavities

   Författare :Megha Gopalakrishna; Matematisk fysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Second harmonic generation; Cavity optics; Non-linear optics; Cavity leakage; Ultracold atoms; Dicke model; Exact diagonalization; Non-equilibrium Green s functions; Fysicumarkivet A:2024:Gopalakrishna;

   Sammanfattning : Second harmonic generation is popular due to its numerous applications in different technologies dealing with multiple fields of science. The rapid technical advancement with the second harmonic generation demands parallel development in the theoretical understanding. LÄS MER

4. 3. Timing Modes for the MAX IV Storage Rings

   Författare :Teresia Olsson; Lunds universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Synchrotron light storage rings; timing experiments; ultralow emittance; harmonic cavities; fill patterns; PPRE; PSB; Fysicumarkivet A:2018:Olsson;

   Sammanfattning : The MAX IV facility includes two storage rings, operated at 1.5 and 3 GeV energy, for the purpose of producing high-brilliance synchrotron radiation for users. The 1.5 GeV ring replaces the previous MAX II and MAX III storage rings as a source of UV and soft X-rays, whereas the 3 GeV ring is optimized for hard X-rays. LÄS MER

5. 4. Impedance and Instabilities in the MAX IV 3 GeV Ring

   Författare :Galina Skripka; Lunds universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Collective effects; geometric impedance; resistive wall impedance; wakefields; particle tracking; harmonic cavity;

   Sammanfattning : To ensure the beam with an ultralow emittance and high current the possible effects deteriorating the beam stability must be investigated. When ultrarelativistic particles travel in the vacuum chamber they induce electromagnetic fields which can act back on them and the following particles. LÄS MER

7. 5. Short Pulses in Engineered Nonlinear Media

   Författare :Stefan Holmgren; Fredrik Laurell; Derryck Reid; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; nonlinear optics; KTiOPO4; frequency conversion; mode-locked lasers; ultra-fast lasers; visible lasers; short pulses; ultrafast nonlinear optics; diagnostic applications of nonlinear optics; nonlinear optical materials; Physics; Fysik;

   Sammanfattning : Short optical pulses and engineered nonlinear media is a powerful combination. Mode locked pulses exhibit high peak powers and short pulse duration and the engineered ferro-electric KTiOPO4 facilitates several different nonlinear processes. LÄS MER