Three confocal microscopes allow the study of individual objects using photoluminescence in the visible and near-infrared range. Two of them are based on close-cycle helium cryostats and allow measurements at low temperature, down to 2.7 K.
An AttoDry1100 cryostat (Attocube) allows to apply a magnetic field up to 9 T.
An Optidry 200 cryostat (MyCryoFirm) allows free-space optical access to the cold chamber.
FInally, a room temperature confocal microscope (Olympus) completes the picture.
The laser sources performing the optical excitation of the systems we study include a tunable supercontinuum laser, a Ti:Sapphire femtosecond laser, an argon laser and various laser diodes, both pulsed and continuous wave, covering the whole visible range.
Single photon detectors (avalanche photodiodes) associated with time-tagged photon counting devices, and several spectrometers (Princeton Instruments Acton, Redback RS40K, Nireos Gemini) enable an exhaustive study of the emission properties of individual nanostructures.