
DSEI 2025
G&H, a leading provider of precision optics and photonics solutions, will showcase a number of cutting-edge defence and aerospace solutions at this year's Defence and Security Equipment International (DSEI) 2025, taking place from 9-12 September.
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We look forward to coming together for DSEI from September 9–12, 2025, at ExCeL London in the UK. As the UK’s premier defence event, DSEI showcases the nation's defence leadership, priorities, and values, while fostering collaboration and opportunities with global allies.
Meet G&H at N4 – Booth #240 to learn more about our cutting-edge Optical Systems capabilities and how we support mission-critical defence applications.

G&H is a leading manufacturer and supplier of photonic components, modules, systems, and related electronic devices for a broad range of markets and applications.
As photonics experts, our mission is to be the global leader in the design and delivery of market-leading solutions that provide reliable value to all of our customers. We enable our customers to realize more effective OEM systems.
We focus our photonics expertise in designing, engineering and manufacturing to provide our OEM customers with the solutions they need. Whatever the application or environment, we can work with you to enable greater system efficiency and effectiveness.
Our Markets
Our Photonic Components & Optical Systems
Over 75 years’ experience, unique expertise, world-class facilities and a commitment to working in partnership enable us to deliver the highest quality photonics components and optical systems.

Acousto-Optics
Unmatched optical power handling and optical performance. Delivered consistently in volume.

Electro-Optics
Minimized drive voltages and high pulse rate operation. Complete and customized designs.

Fiber Optics
Optimal performance and reliability. Qualified and deployed in many harsh environments.

Precision Optics
Expertly-manufactured precision optical components for applications that require high-quality custom optics.

Optical Systems
Unique cutting-edge optical solutions for a diverse customer base and a range of applications.

Vision Systems
Incredibly durable and dependable. Trusted by vision system and periscope integrators and suppliers worldwide.
Meet With Our Team of Experts
We share your passion and excitement for innovative photonic technology. Meet with our experienced team to learn about the latest developments in our field, make new connections, share knowledge, and contribute to bigger conversations about the future of photonics.