Published date: 21 August 2020
This notice was replaced on 24 November 2020
This notice does not contain the most up-to-date information about this procurement. The most recent notice is:
Opportunity (published 24 November 2020)
Closed future opportunity - This means that a potential contract has passed its approach to market date. A buyer can choose to consider any supplier interest or convert this notice into an opportunity ready for live procurement.
Contract summary
Industry
Laboratory, optical and precision equipments (excl. glasses) - 38000000
Location of contract
London
Value of contract
£0 to £150,000
Procurement reference
tender_248823/881898
Published date
21 August 2020
Approach to market date
21 August 2020
Contract start date
30 September 2020
Contract end date
1 March 2021
Contract is suitable for SMEs?
Yes
Contract is suitable for VCSEs?
No
Description
The National Physical Laboratory (NPL) requirement is for a new system for metrology of single-photon emitters.
This system should have a closed cycle, or 'cryogen free', operation to allow sample temperatures of between 4K and 300K to be reached and stably maintained. The system needs to permit high numerical aperture objective lenses (N.A > 0.7) to focus on the sample. It should allow for operation at wavelengths ranging from the visible (500 nm) to the telecom C-band (1550 nm). Exchanging optics for regions within this range should be straightforward for the user to do. There should be < 20 nm (peak to peak) of vibration between the sample and any external optics. Positioners are to be included to translate the sample around the focus of the objective lens, within a volume of 5 mm x 5 mm x 5 mm. These should have a minimum step size of < 20 nm.
It should be possible to upgrade and customise the system at a later date should extra capabilities be needed.
All temperature and sample translation control should be achieved through a common software environment, with possible LabVIEW automation.
More information
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