Laboratories

Research equipment available at the Department of Quantum Engineering and Metrology

Equipment No. 1 – Double-resonance laser-microwave setup in a Paul trap

Double-resonance "laser – microwave" setup in a Paul trap for studying interactions between the electron shell and the nucleus in free atoms and ions

Vacuum

10⁻⁹ mbar

Microwave frequency range

0.01 – 20 GHz

Laser wavelength range

485–530 nm, 570–620 nm

Acquisition time

15 min

Trap drive frequency

400 – 700 kHz

Voltage range

1 – 1.5 kV

Research scope

Studies of charged particle systems confined in electromagnetic traps and interacting with electromagnetic fields and laser radiation for the development of novel electric, magnetic and atomic force sensors.

Equipment No. 2 – Double-resonance laser-microwave setup on a free atomic beam

Double-resonance "laser – microwave" setup on a free atomic beam for studying interactions between the electron shell and the nucleus in free atoms and ions

Vacuum

10⁻⁶ mbar

Microwave frequency range

0.01 – 20 GHz

Laser wavelength range

485–620 nm

Acquisition time

15 min

Research scope

Laser spectroscopy of atoms with limited degrees of freedom using laser-induced fluorescence and double-resonance laser-microwave spectroscopy methods.

Equipment No. 3 – Laser-induced fluorescence setup in a hollow cathode

Laser-induced fluorescence setup in a hollow cathode for studying interactions between the electron shell and the nucleus in free atoms and ions

Vacuum

10⁻³ mbar

Buffer gas

Argon, neon

Laser wavelength range

485–620 nm

Discharge current

10 – 200 mA

Control voltage

up to 500 V

Research scope

Investigation of atomic electron shell structure and determination of resonant electromagnetic transitions, particularly in rare-earth atoms and metals with open 3d, 4d and 5d shells, using laser-induced fluorescence spectroscopy.

Optically detected magnetic resonance (ODMR) setup for material research

Optically detected magnetic resonance (ODMR) setup consisting of a confocal fluorescence microscope, a microwave synthesizer with a specially designed microwave antenna, a laser beam source, and a single-photon detector. All measurement equipment is controlled with nanosecond resolution by an experiment-control program that also enables pulsed measurements.

Laser beam wavelength

520 nm and 860 nm

Laser power range

1 µW – 100 mW

Microwave power range

-50 – 10 dBm

Research scope

Research and characterisation of materials containing color centers with quantum optical properties under ambient conditions, including diamond color centers NV⁻, hexagonal boron nitride, and gallium nitride.