This consultation concerns the purchase, delivery, installation and commissioning (including user training) at the Charles Coulomb laboratory (UMR5221) in Montpellier of a dilution cryostat with optical access and superconducting vector magnet.

The expected technical specifications are described in the Special Technical Clauses (CCTP) attached to this consultation.

The purpose of this contract is the purchase, delivery and commissioning (including user training) at the Charles Coulomb laboratory (UMR5221) in Montpellier of a closed-circuit dilution cryostat with optical access and superconducting vector magnet.

This equipment is intended to integrate a micro-spectroscopy assembly of individual fluorescent defects located in samples of semiconductor materials, in order to study their quantum properties in temperature ranges below 100 mK. Since the fluorescence signal from these individual transmitters is associated with a fluorescence task a few hundred micrometers wide at mid-height, it is important that the experimental space has as little vibration as possible. For the purposes of the experiment, the cryostat will also have to integrate a 3-axis vector magnet and allow optical excitations (visible and infrared) as well as microwaves of fluorescent defects.