How to win: Dilution Refrigerator for Cryogenic Characterisation of RF Hardware

A goods contract from NPL Management Limited, worth £650,000. Below: what it involves and how to write a winning bid for it.

Buyer

NPL Management Limited

Value

£650,000

Closing date

20 July 2026

About this contract

The National Physical Laboratory (NPL) is seeking engagement from suppliers who can provide "Dry" ("cryogen-free") pulse tube cooled dilution refrigerator system to be used for characterisation of quantum hardware including RF and quantum circuits with sample volume under vacuum. The system should include thermometry and associated wiring and readout electronics with provision to integrate additional temperature sensors in future for comprehensive diagnostics. The purpose is to complement our existing measurement systems and add measurement capability, for characterisation of quantum and RF hardware with high throughput and faster cooldowns repeated typically every 2 weeks. The dilution refrigerator needs to be suitable for RF measurements of complex quantum circuits and hardware, meaning it must be equipped with 20+ coaxial lines with provision to further increase the number of coaxial lines in the future. These lines must include high attenuation input lines suitable for use with sensitive quantum devices such as superconducting qubits and parametric amplifiers and low-loss output coaxial lines suitable for use with low-noise amplifiers, isolators and parametric amplifiers. Some

How to win contracts like this

✓Answer against the marking scheme, not the question text — NPL Management Limited scores each response, so map your evidence to the published criteria and weightings.
✓At £650,000, expect quality and social value to carry a large share of the score — price alone rarely wins goods work.
✓Show recent, comparable delivery: name similar goods contracts you've delivered for public bodies, with measurable outcomes.
✓Start early: it closes 20 July 2026 and a strong bid takes iteration.

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