---
title: "Fibre Optic Bundles for MAST-U"
ocid: "ocds-h6vhtk-06c183"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06c183"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c183.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-06c183.json"
source: "Find A Tender Service"
current_stage: "Planning"
buyer: "UK ATOMIC ENERGY AUTHORITY"
published: "2026-07-01"
---

# Fibre Optic Bundles for MAST-U

Buyer: UK ATOMIC ENERGY AUTHORITY  
Current stage: Planning  
OCID: ocds-h6vhtk-06c183

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-06c183.json)

## Summary

The UK Atomic Energy Authority, a central government public authority, invites suppliers to participate in a procurement process for manufacturing and delivering 21 identical horizontally-bifurcated optical fibre bundles, intended for the MAST-U Thomson scattering diagnostic upgrade. The procurement process, identified as T/043CB/26, is currently at the planning stage and falls under the goods category, specifically targeting diagnostic devices. The authority is located at the Culham Science Centre in Oxfordshire, UK. A key milestone in this process is the significant engagement date set for 8th July 2026, with subsequent phases expected as detailed in the preliminary market engagement notice. The ultimate contract period is slated from 7th September 2026 to 31st January 2027, providing a window for potential suppliers to prepare and compete.

This tender presents substantial opportunities for businesses specialising in diagnostic devices, particularly those with capabilities in the production of fibre optic technologies. Given the requirement for uniformity in design, companies experienced in precision manufacturing and able to ensure high-quality standards would be well-suited to compete. Moreover, the opportunity is particularly accommodating for small and medium-sized enterprises (SMEs), aligning with the procurement's suitability criteria. Engaging with this tender could result in business growth through the enhancement of industry reputation and expansion within the public sector market. Suppliers are encouraged to participate in the upcoming engagement session and prepare to meet the forthcoming procurement schedule.

## Notice

This PMEN describes the requirements of the UK Atomic Energy Authority (herein after referred to as the Purchaser) for a set of 21 identical optical fibre bundles to be manufactured and delivered by the Supplier. The Purchaser requires a set of 21 horizontally-bifurcated optical fibre bundles for use in an upgrade of the MAST-U Thomson scattering diagnostic. All 21 bundles are required to have the same, identical design.

### Planning Information

https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=106807&TID=100111902&B=

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/061843-2026 |
| Notice type | UK2 - Preliminary Market Engagement Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 1 Jul 2026 |
| Submission deadline | Not specified |
| Future notice date | 13 Jul 2026 |
| Award date | Not specified |
| Contract period | 7 Sep 2026 - 31 Jan 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £120,000 |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Planning |
| Lots status | Planning |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | UK ATOMIC ENERGY AUTHORITY |
| Locality | OXFORDSHIRE |
| Post town | Oxford |
| Postcode | OX14 3DB |
| Country | England |
| ITL 1 | TLJ South East (England) |
| ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire |
| ITL 3 | TLJ14 Oxfordshire CC |
| Local authority | South Oxfordshire |
| Electoral ward | Sandford & the Wittenhams |
| Westminster constituency | Didcot and Wantage |
| Delivery location | TLJ14 Oxfordshire CC |

## CPV Codes

### Divisions

- 33 - Medical equipments, pharmaceuticals and personal care products

### Codes

- 33124100 - Diagnostic devices

## Release History

- 1 Jul 2026 at 14:01 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/061843-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/061843-2026
  1st July 2026 - Preliminary market engagement notice on Find a Tender

## Notice URLs

- https://uk.eu-supply.com/app/rfq/rwlentrance_s.asp?PID=106807&TID=100111902&B=
- https://www.gov.uk/government/organisations/uk-atomic-energy-authority
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-06c183. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-06c183.json.