Download Ultracold electron beams

Coherence & Quantum
Technology
Jom Luiten
Cyclotron 2.06, 4359
CQT
Cool Quantum Tricks
Jom Luiten
Cyclotron 2.06, 4359
CQT
Coulomb Quantum Theory
Jom Luiten
Cyclotron 2.06, 4359
CQT
Skeeten, July 2015
Karten, July 2016
Dream Beam Team: 2016 champion
CQT: Coherence & Quantum Technology
Extreme
plasmas
CQT
Particle
manipulation
with light
(lasers…)
Atom, ion
and electron
beams
CQT: Coherence & Quantum Technology
• Extreme states of matter: Ultracold plasmas & gases;
• Laser Manipulation of atoms, electrons and ions;
• Atom, electron & ion beams for femto-nano science & engineering.
CQT: Coherence & Quantum Technology
• Extreme states of matter: Ultracold plasmas & gases;
• Laser Manipulation of atoms, electrons and ions;
• Atom, electron & ion beams for femto-nano science & engineering.
ultracold
&
ultrafast
Ultrafast electron microscopy
Generating & manipulating femtosecond electron pulses
Microwave cavities: new electron optical components
Ultrafast electron microscopy
Since October 2014:
new FEI transmission electron microscope in CQT lab
• Combine nanometer spatial and femtosecond temporal resolution
• New FEI product
• Fundamental light – matter interaction
Ultracold atomic gas
I
I
Laser cooling & trapping
N ≤ 1010 Rb atoms,
R ≈ 1 mm
T ≈ 100 µK
Magneto-Optical Trap (MOT)
Ultracold plasma
I
I
Electron temperature 1-10 K
Te
Ultracold Plasma
Ultracold electron & ion beams!
I
I
‘laser like’
charged particle beams:
many new applications!
e-
Rb+
V
Ultracold beams!
V
Ultracold electron beams
• new source for ultrafast electron microscopy
• ultrafast structural dynamics of macromolecules
• fundamental beam limits – fermi degenerate beams
Ultracold electron beams
For more info, see article in Physics Today
July 2014, p. 12
www.physicstoday.org
Ultracold ion beams
FIB: ion beam milling at nanometer scale
IC defect analysis with Dual beam FIB-SEM machine
Ultracold ion beams
• 2D MOT laser cooling of Rb atomic beam
• Laser photo-ionization of cold atomic beam
• Design & simulations focusing lenses for 1 nm spot
For more info, see article by Gijs ten Haaf in N! 17 June 2014, p. 12
https://www.vdwaals.nl/node/835
Ultracold Rydberg gas…
I
I
Ultracold, highly excited atoms
Ultracold Rydberg gas: theory & experiment
I
I
Rydberg lattice
• Model system for solid state
• Quantum computation
• Ultracold charged particle source
Ultracold, highly excited atoms
Quantum mechanical theory of ‘Few-body
physics’
Efimov trimers…
‘Borromean rings’
…and beyond (Servaas Kokkelmans)
More info?
• Servaas Kokkelmans, [email protected]
• Jom Luiten, [email protected]
• Peter Mutsaers, [email protected]
• Edgar Vredenbregt, [email protected]
Coordination internships:
Edgar Vredenbregt
[email protected]
Cyclotron 2.07
Tel. 040 247 3469