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9004476 - Supply of B23 Mirror System for Diamond Light Source

DIAMOND LIGHT SOURCE LIMITED

This public procurement record has 3 releases in its history.

Award

26 May 2026 at 11:12

UK7 - Contract Details Notice
Award

29 Apr 2026 at 13:26

UK6 - Contract Award Notice
Tender

18 Feb 2026 at 14:43

UK4 - Tender Notice
Summary of the contracting process

Diamond Light Source Limited, based in Didcot, Oxfordshire, UK, has recently completed a procurement process for the supply of a B23 Mirror System, as part of its Diamond-II upgrade programme. This programme aims to enhance its scientific capabilities at the Harwell Science & Innovation Campus. The procurement, identified under the tender title "9004476 - Supply of B23 Mirror System for Diamond Light Source," falls under the central government public authority sector. The open procedure method was used, ensuring transparency and inclusivity in the selection process. With the procurement stage marked as complete, the contract was awarded to Bestec GmbH on 12th May 2026, and it is expected to run until 11th January 2028, with the value amounting to £374,724. The project focuses on providing state-of-the-art optics essential for cutting-edge scientific research, and this contract is just one component of the overall upgrades planned under Diamond-II.

This procurement offers significant growth opportunities for businesses specializing in precision optics, engineering, and scientific instrumentation. Companies involved in high-accuracy mirror systems, vacuum technology, and advanced manufacturing processes could find valuable opportunities in contracts like this. The procurement process demonstrated a keen preference for SMEs, as evidenced by the participation and ultimate selection of Bestec GmbH, a small or medium-sized enterprise. Engaging with Diamond Light Source projects like these can enhance visibility and reputation within the scientific community, opening up further collaborative opportunities in the expanding field of synchrotron-based research and development.

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Notice Information

Notice Title

9004476 - Supply of B23 Mirror System for Diamond Light Source

Notice Description

Located on the Harwell Science & Innovation Campus in Oxfordshire, Diamond Light Source (DLS) is a leading-edge facility for science, engineering and innovation. DLS allows researchers from academia and industry to investigate the structure and behaviour of the world around us at the atomic and molecular level. To continue delivering the world-changing science that Diamond enables, the facility is being upgraded to Diamond-II, a co-ordinated programme of development that combines a major machine upgrade with new instruments and complementary improvements to optics, detectors, sample environment and delivery capabilities, and computing, as well as integrated and correlative methods. This will be transformative in speed and spatial resolution and will offer users streamlined access to enhanced instruments for life and physical sciences. Beamline B23 is a UV-visible beamline that will utilize a lattice dipole-quadrupole (DQ) magnet as a source in the Diamond-II synchrotron. The beamline operates two modules (A and B) which provide ultraviolet and visible light for synchrotron radiation circular dichroism (SRCD) experiments. The operational energy range of the beamline is 125 to 800 nm (1.55 to 10 eV). The scope of the contract is to design, manufacture and deliver a double, horizontally and vertically deflecting mirror system to the performance specification document using a shared concept. The mirror system will support two mirror optics (not part of this tender) that will have a motorised 3-point kinematic motion system. Mirror System will have an Ultra High Vacuum (UHV) vacuum vessel, support structure and adjustments for alignment.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-065734
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/048528-2026
Current Stage
Award
All Stages
Tender, Award

Procurement Classification

Notice Type
UK7 - Contract Details Notice
Procurement Type
Standard
Procurement Category
Goods
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME
Awardee Scale
SME

Common Procurement Vocabulary (CPV)

CPV Divisions

38 - Laboratory, optical and precision equipments (excl. glasses)

CPV Codes

38622000 - Mirrors

Notice Value(s)

Tender Value
£500,000 £500K-£1M
Lots Value
£500,000 £500K-£1M
Awards Value
£312,270 £100K-£500K
Contracts Value
£312,270 £100K-£500K

Notice Dates

Publication Date
26 May 20263 months ago
Submission Deadline
23 Mar 2026Expired
Future Notice Date
Not specified
Award Date
29 Apr 20264 months ago
Contract Period
12 May 2026 - 11 Jan 2028 1-2 years
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Active
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
DIAMOND LIGHT SOURCE LIMITED
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
DIDCOT
Postcode
OX11 0DE
Postcode Area
Oxford
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ14 Oxfordshire CC
Delivery Location
TLJ14 Oxfordshire CC
Local Authority
Vale of White Horse
Electoral Ward
Blewbury & Harwell
Westminster Constituency
Didcot and Wantage

Supplier Information

Number of Suppliers
1
Supplier Name

Bestec GmbH

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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