# GB-RE19208: SURF Elliptical Mirror Guide

> Contract award record from UK public-sector procurement sources.

## Key facts

- Public buyer: [UK Research and Innovation](/buyers/uk-research-innovation/contract-awards)
- Contract winner: SwissNeutronics NG
- Award value: £69,080
- Tender value: £69,080
- Award date: 16 January 2020
- Published: 3 February 2020
- Contract start: 17 January 2020
- Contract end: 30 September 2020
- Stage: awarded
- Procurement category: goods
- Notice ID: bb9f73af-19df-4efa-b047-efedae908e07-341014
- OCID: ocds-b5fd17-b1c77932-94f3-4b4b-8426-7649e6779054

## Description

Laboratory, optical and precision equipments \(excl\. glasses\)\. SURF is a neutron reflectometer with horizontal sample geometry\. It is mostly used for the study of liquid and solid/liquid interfaces\. The incident beam is sloping down at an angle of 1\.5° below the horizontal to allow scattering from liquid interfaces\. A non-polarizing super mirror is used to deflect the beam up in order to access angles lower than 1\.5° on liquid surfaces\. The requirement is to supply a horizontally focusing elliptical neutron guide split into 3 sections: MG1, MG2 and MG3\. All guide sections include an m=6 super mirror coating of the inner left and right faces\. The middle section also includes an m=6 super mirror coating of the inner lower face\. All the remaining inner faces are either neutron absorbing \(1-17 A\) or have a null-reflective coating\.

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## Source

[View the original notice on Contracts Finder](https://www.contractsfinder.service.gov.uk/Notice/bb9f73af-19df-4efa-b047-efedae908e07-341014)