Visible 300 - 700nm Broadband AR Coating

Definition:

A broadband visible anti-reflection (BBAR) coating is designed to reduce reflections and glare over either the entire visible spectrum (300-700nm) or a large portion of the it, if certain areas of the visible spectrum are not of interest. The main aim of broadband anti-reflection coatings is to maximise light transmission to improve the performance and efficiency of optical components across various applications.

Design and Manufacture:

We design and manufacture custom broadband anti-reflection coatings across the visible range between 300 nanometres to 700 nanometres to any custom specification.

Supplying Optics:

We hold an extensive inventory of stock wafer substrates, including Glass, Sapphire, Fused Silica, Calcium Fluoride, and more, available in various thicknesses and ready for immediate coating. Post-coating, these substrates can be swiftly diced, or core drilled, significantly reducing lead times, often to less than two weeks. Additionally, we have a network of trusted optics suppliers, whom we regularly audit, to provide custom optics. This allows us to offer a comprehensive solution by delivering both the optics and coating as a complete package from a single supplier, simplifying your procurement process.

Coat Only Service:

We also provide an express coating service for customer-supplied optics, with lead times as short as 48 hours. If you already have the optics, we are more than happy to coat them for you. With hundreds of different-sized tooling jigs accumulated over years of manufacturing, we can often save on both tooling costs and lead times by utilising existing tooling of the same size or by making minor in-house modifications to suit your requirements.

Please contact us to discuss your specific requirements.

Case Studies

400 – 700 nm AR B270 Glass

450 – 625 nm AR N-BK7 Bi Convex Lens

400 – 700 nm AR 1 Side Sapphire Window

400 – 1000 nm AR 2 Side B270 Glass

Standard Broadband Anti Reflection Coatings Data Table
Below is a table of standard visible broadband anti reflection coatings we offer, if you are not able to find exactly what you are looking for we can optimise one of the coatings below to meet your specific requirement. All of the below graphs are at 0° angle of incidence but we are able to optimise the performance for any angle between 0° - 45 °. We are able to coat all of the main standard substrate materials such as Glass, Sapphire, Quartz and Calcium Flouride,if you have a more unique substrate material we will most likely still be able to coat it to the same transmission/reflection levels as detailed below by optimising the coating to the substrates refreactive index.
Wavelength Range Substrates Reflection Level Per Surface Transmission 2 Sides CoatedReflection Graph 2 SidesTransmission Graph 2 Sides
350 - 700 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1 %T% > 98 % AverageGraphGraph
350 - 800 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1 %T% > 98 % AverageGraphGraph
350 - 900 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.5 %T% > 97 % AverageGraphGraph
350 - 1000 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.5 %T% > 97 % AverageGraphGraph
400 - 700 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1 %T% > 98 % AverageGraphGraph
400 - 800 nm Glass, Sapphire, Quartz, Calcium FlourideR < 1 %T% > 98 % AverageGraphGraph
400 - 900 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.5 %T% > 97 % AverageGraphGraph
400 - 1000 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.5 %T% > 97 % AverageGraphGraph
400 - 1100 nmGlass, Sapphire, Quartz, Calcium FlourideR < 2.0 %T% > 96 % AverageGraphGraph
425 - 650 nmGlass, Sapphire, Quartz, Calcium FlourideR < 0.5 %T% > 99 % AverageGraphGraph
450 - 625 nmGlass, Sapphire, Quartz, Calcium FlourideR < 0.5 %T% > 99 % AverageGraphGraph
450 - 700 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1 %T% > 98 % AverageGraphGraph
450 - 900 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.25 %T% > 97.5 % AverageGraphGraph
500 - 900 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1 %T% > 98 % AverageGraphGraph
500 - 1100 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.5 %T% > 97 % AverageGraphGraph
600 - 1100 nmGlass, Sapphire, Quartz, Calcium FlourideR < 1.25 %T% > 97.5 % AverageGraphGraph

Applications

Protective Lenses:

Optical systems are often sealed with protective lenses, made from glass, sapphire or silicon to protect the inner workings of the system. These lenses are often AR coated to increase the sensitivity and performance of the instrument by reducing reflection losses from the uncoated faces.

Photography and Videography:

AR coatings applied to camera lenses to enhance image quality by reducing lens glare, reflections and ghosting, leading to sharper, higher-contrast photos and videos.

Optical Instruments:

Applying anti-reflection coatings to optical instruments such as microscopes improves the transmission of light through lenses, enhancing the clarity and contrast of microscopic images.

Scientific Instruments:

Spectrometers and Photometers utilise AR coatings ensure accurate light measurements by reducing stray reflections that can interfere with readings.

Medical Imaging Devices:

Enhancing the transmission of light in devices like endoscopes and optical coherence tomography (OCT) systems improves image quality and diagnostic capabilities in medical devices.

Display Technology:

Monitors, Screens, LED’s and Projector lenses all benefit from AR coatings improve readability and reduce glare from ambient light sources as well as enhancing brightness and clarity of projected images by minimising reflection losses.

Optical Sensors:

Enhances the sensitivity and accuracy of light sensors by ensuring maximum light transmission and minimising background loses or internal reflection losses in systems.

Security and Defence:

AR coatings are utilised on lenses for a wide variety of military equipment such as eyewear, cameras and gun sights. This can have 2 benefits firstly enhancing image clarity through the respective lens but also reducing glare/glint that could draw unwanted attention.