Expertise that Connects Innovation

From concept to reality: DIAMOND’s advanced fiber optic technologies and in-house manufacturing deliver precision, reliability, and tailored solutions for your most demanding fiber optic projects.

Discover DIAMOND's expertise

Innovating High-Performance Fiber Optic Solutions

At DIAMOND, we combine decades of experience in high-performance fiber optic solutions with state-of-the-art infrastructure to meet your most demanding challenges. As a trusted designer, manufacturer, and producer, we bring unparalleled precision, reliability, and adaptability to every project.

From vertical integration capabilities in ceramic CIP/CIM, metal machining, and plastic molding to cleanroom manufacturing and high-purity cleaning processes, our expertise spans the entire production process. Leveraging innovative technologies such as Active Core Alignment (ACA) and high-power optical solutions, we empower industries with solutions that redefine performance standards.

Whether you're in aerospace, photonics, quantum or semi-conductor technology, or beyond, DIAMOND is your partner in transforming complex requirements into reliable, cutting-edge fiber optic connections. Let us help you bring your vision to life.

Learn about our fiber optic expertise

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Advanced Facilities for Cutting-edge Solutions

Cleanroom Facilities ISO 5 - ISO 7

Cleanroom manufacturing for fiber optic assemblies

Assembly, test and packaging in ISO-certified clean rooms to ensure ultra-clean, high-precision fiber optic components.

Accredited Testing and Calibration Laboratory

Reliable Inhouse Testing and Calibration at the Highest Level

Comprehensive in-house validation for performance, durability, and compliance with international standards.

High Purity Cleaning

Thorough and mission-critical cleaning to meet the highest standards of cleanliness

Tailored cleaning grades based on requirements to ensure the removal of microscopic particulate and chemical contaminants to guarantee the opto-mechanical integrity of products.

Behind the Scenes at DIAMOND: Precision in Every Detail

Discover the expertise behind our high-performance fiber optic solutions: from product design to vertical integration and advanced services.

News, Trends and Background Reports

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27. January 2026

Product Compliance Update

DIAMOND SA is actively reviewing materials and components across its product portfolio to ensure full compliance with the European RoHS Directive 2011/65/EU. Selected components will be updated progressively, with completion planned by the end of 2026.

News

11. November 2025

Introducing Ultra-Low Loss Fiber Optic Connectors

At DIAMOND SA, innovation is in our DNA. We’re proud to unveil our latest breakthrough: Ultra-Low Loss (ULL) fiber optic connectors. Designed to minimize insertion loss to unmatched levels, these high-performance connectors enable greater efficiency and signal integrity for demanding applications.

News Photonics High Power Quantum Telecommunication

15. October 2025

Engineered for 16W: The New Standard in High Power Fiber Optic Connectors for single-mode (SM) fibers

DIAMOND PS+ is our most advanced high power fiber optic connector interface, designed to handle up to 16W optical power on single mode fibers. Built with Graded Index Fibers (GIF) for superior beam expansion and optical performance, PS+ offers lower insertion and return loss compared to ball lenses. For maximum safety and reliability, it’s recommended with E-2000®, Mini AVIM®, or DMI interfaces.

News High Power

From Raw Material to  High-Precision Components

With in-house expertise in working ceramic, metal, and plastic, we transform raw materials into precision-engineered components, ensuring the highest quality and performance for our fiber optic solutions. Our vertically integrated processes enable seamless control over every step, from design to production, allowing us to meet even the most complex and customized requirements. This approach guarantees reliability, durability, and innovation in every product we deliver.

Empowering Markets with Tailored Fiber Optic Solutions

Photonics

 Flexible fiber interfaces for Photonic applications

Space

Space qualified fiber optic interconnects

Medical

Reliable optical connectivity for system integrators

Industrial and Harsh Environment

Discover proven industrial fiber optic solutions

High Power

Fiber optic solutions that meet the rigorous demands of high-power applications

Quantum

Ultra-low loss interconnects for quantum applications

Defense

Reliable fiber optic interconnects for mission critical applications