Kelvin Biggs, Managing Director

How, When and Why to Specify Zinc Selenide in Modern Optical Systems

In this article we look at the benefits of Zinc Selenide as an optical material, examine how it compares with Germanium and other IR substrates, and explain where ZnSe offers clear advantages for today’s optical designers and engineers. We’ve also provided a convenient summary table at the end of the article for quick comparison between the two materials.

Chalcogenide Glass vs. Germanium – Choosing the Right Material for Next‑Gen IR Optics

Infrared systems are evolving rapidly, driven by demand for lighter, more efficient and more cost‑effective components and as designers push for higher performance at lower cost, the choice of optical material becomes a defining factor in the success of any IR system.

A Look at Optics For Harsh Environments

Optics used in defence systems, deep‑sea drilling platforms and space vehicles face conditions far beyond those found in typical industrial settings. High shock loads, corrosive atmospheres, extreme heat and cold, abrasive particles, radiation exposure and rapid pressure changes all push optical materials to their limits.

Chalcogenide Glass As A High‑Performance Alternative to Germanium for Infrared Optics

Chalcogenide glass has evolved from a niche infrared material into a mainstream alternative to germanium. With supply pressures and rising costs affecting germanium availability, chalcogenide offers a stable, scalable and high‑performance solution for infrared optics.

Which Window Material Is Right for You? Sapphire vs Fused Silica

Optical windows are fundamental components in imaging, sensing and laser‑based systems, acting as protective barriers while maintaining high levels of optical clarity. Among the most widely used materials for optical windows are sapphire and fused silica. These materials both offer excellent performance, but differ significantly in their mechanical, thermal and optical characteristics.

Choosing the Right Schott Filter for Imaging & Spectroscopy

While N‑BK7 provides a stable, high‑quality substrate for lenses, windows and prisms, Schott’s extensive filter glass range enables engineers and scientists to shape light with precision. From isolating fluorescence bands to blocking infrared radiation, these filters are essential in imaging, spectroscopy, machine vision and analytical instrumentation. This article explains how Schott filters work, the differences between filter types, and how to select the right material for your application.

A Guide to Optical Coatings: AR, Mirror and Filter Layers Explained

High‑precision imaging systems, lasers and sensing instrumentation all use coatings to determine efficiency and accurate light movement.   This guide looks at three of the most widely used coating types; anti‑reflection (AR), mirror and filter coatings, and explains how they work, where they’re used and what factors to consider when designing them into optical systems.

Schott N-BK7 Glass Explained: Properties, Applications and Why It is the Gold Standard in Precision Optics

Schott N-BK7 glass has become the industry’s gold standard. Known for its excellent transmission, low dispersion and cost‑effectiveness, BK7 is the backbone of precision optics worldwide. In this guide, we’ll explore what BK7 glass is, review its properties and applications and discuss why it remains the preferred choice for precision optics.

Innovations in Industrial, Medical and Scientific Optics: Looking Ahead to 2026

As we move into 2026, industrial, medical and scientific optics are expected to deliver breakthroughs that will influence our daily lives in areas such as communications, healthcare and manufacturing. This blog explores what the emerging trends for 2026 might be as well as presenting a round up of the most significant innovations of 2025.

How are Optical Technologies Used in Forensic Science?

Forensic science is based on vital factors and skills such as precision, accuracy and the ability to uncover hidden details. For forensic experts, optical technologies play a pivotal role in all these areas, transforming invisible evidence into visible, analysable data. From crime scene investigation to laboratory analysis, optical instruments enable professionals to detect and interpret clues that would otherwise remain concealed.

How is Zinc Sulphide used in Industrial Optics Manufacturing?

Optical components used for industrial and technical applications require a range of properties, from transparency or opacity to durability and resistance to environmental stress. One compound that is increasingly rising to the challenge is zinc sulphide (ZnS). Known for its versatility and optical properties, ZnS plays a pivotal role in a range of applications, from infrared imaging to aerospace systems.

Why R & D Success Can Rely on Selecting the Right Optical Components Supplier

R&D success often hinges on the smallest details. So whether you're developing a new imaging system, refining a prototype or conducting advanced scientific experiments, the quality and reliability of your optical components can play a pivotal role. This means that selecting the right supplier isn’t just a procurement decision, it’s a strategic move that can determine the trajectory of your project.

Key Factors to Look for in an Optical Components Supplier

Choosing the right supplier of optical components can mean the difference between project success and costly delays. No matter what kind of cutting-edge technology you're developing — whether it's medical devices, aerospace systems or research equipment — your choice of supplier directly impacts quality, timeline and overall project outcomes.

Custom Optical Components: When Standard Solutions Aren’t Enough

From the advanced imaging systems in today's smartphones to the sophisticated medical devices used to diagnose life-threatening conditions, optical components are fundamental to countless cutting-edge technologies. While off-the-shelf optical solutions serve many general applications, they often fall short when it comes to the specific demands of specialised projects that push technological boundaries.

How UQG Optics Enables Scientific Breakthroughs in Universities and Research Centres Worldwide

For over 70 years, UQG Optics has been the go-to partner for universities and scientific research laboratories worldwide. We provide the highest-grade precision optical products, driving discovery and innovation.

An Interview with Kelvin Biggs on 70 Years of Precision Optics Manufacturing

In this article, Kelvin Biggs, owner of UQG Optics, shares insights into the seven-decade journey of this Cambridge-based family business at the forefront of precision optics.

UQG Optics: Investing in the Future of Optical Manufacturing

As UQG Optics celebrates 70 years of success, the company is looking firmly to the future. By making major upgrades to its machinery, building and production processes, UQG is continuing to lead the way in optical component manufacturing, adapting to industry changes while staying true to its heritage.

UQG Optics at 70: A Family Tradition of Excellence

In 2025, UQG Optics will proudly celebrate 70 years as a trusted name in optical components and solutions. From its origins in a village workshop to becoming a globally recognised brand, UQG’s story is one of family, innovation and an unwavering commitment to quality.

How Optical Components Are Revolutionising Renewable Energy Efficiency

This article looks at how optical parts are making solar panels more efficient, examines the latest innovations that are changing the industry, analyses their economic impact and provides practical ways for energy professionals to use these technological advances.

The Future of Subsea Imaging Technology

Exploring our oceans is an increasing technological challenge. How exactly do we capture clear images under lots of pressure? This article looks at the interesting world of subsea imaging — the problems it has, new ideas and why it is important now.