Supply, Delivery and Commissioning of a Dilution Refrigerator

Tender description

The University are seeking notes of interest for a potential tender opportunity for the supply, delivery and commissioning of a dilution refrigerator. The University are seeking notes of interest for a potential tender opportunity. 1. The potential tender is for the supply of a cryogen-free dilution refrigerator. 2. The successful supplier is expected to build the refrigerator and fully integrate the technology as a turn-key solution. 3. The successful supplier is expected to deliver the equipment to the University, assemble it on-site and test its correct function. 4. The system must be capable of reaching a base temperature of 50 mK or lower. 5. The system must have a minimum cooling power of 250 microWatts at 100 mK. 6. The system must be integrated with a 3D vector field magnet with minimum field intensities of 3T (z-axis), 1T (y-axis) and 1T (x-axis). 7. The system must have the following wiring solutions: a. twisted pairs (DC) from room temperature to mixing chamber. b. coaxial semi-rigid cables (RF) from room temperature to 4 K. 8. Additional functionality may include: a. Load lock system for fast sample exchange. b. Optical fiber access (feedthrough and thermalisation stages). 9. The successful supplier is expected to provide a minimum 12-month warranty and post-commissioning technical support.