Multi-Spectral IR AR Coatings

Innovation Beyond the Spectrum

G&H | Artemis, pioneers in advanced optical technology, introduces its high-quality Multi-Spectral Infra-Red Anti-Reflective (IR AR) Coatings. These coatings are expertly designed to fulfil an array of applications across different industries, offering a perfect fusion of adaptability, precision, and robustness.

Our Multi-Spectral IR AR Coatings are unique in their capability to optimise light transmission across different wavelengths. Whether you need coatings for Silicon, Germanium, Multispectral ZnS, Zinc Selenide or Chalcogenides, G&H | Artemis has a solution. Each coating can be tailor-made to suit your specific requirements, exemplifying our unwavering commitment to delivering bespoke, customer-centric solutions.

One of our standout offerings is the Multi-Spectral IR AR Coating optimised for VIS 1.535 and 3-5µm on GLS. We also offer coating variants for MS ZnS and ZnSe. Each coating is designed with a focus on efficiency, reliability, and high performance.

At G&H | Artemis, quality assurance is not just a process, but an inherent attribute of our offerings. Our Multi-Spectral IR AR Coatings satisfy the stringent military environmental conditions as stipulated by MIL-C-48497A. This includes Para 4.5.3.1 for Adhesion, Para 4.5.3.2 for Humidity, and Para 4.5.3.3 for Abrasion, ensuring the coatings are as resilient as they are effective.

Investing in G&H | Artemis’ Multi-Spectral IR AR Coatings means choosing a solution that combines technical excellence with enduring performance. These coatings drastically reduce surface reflection across the infra-red spectrum, ensuring the highest quality of signal transmission and information delivery, every time.

As an industry-leader, G&H | Artemis remains at the forefront of delivering pioneering optical solutions. Our Multi-Spectral IR AR Coatings exemplify our commitment to blending innovation with efficiency.

Multi-Layer Broadband (HEAR on Germanium)

Reflection < 3% average 480-650nm, < 0.5% @ 1535nm and < 2% 3-5µm @ 0° AOI

- Optimised for 8-12µm on Germanium (also available on MS ZnS and ZnSe)
- Silicon
- Germanium
- Zinc Sulphide
- Zinc Selenide
- Calcium Fluoride
- Barium Fluoride
- Magnesium Fluoride
- Chalcogenides
- Nickel-plated Aluminium
- MIL-C-48497A
- Para 4.5.3.1 Adhesion
- Para 4.5.3.2 Humidity
- Para 4.5.3.3 Abrasion
- Thermal imaging: In thermal imaging systems, these coatings help enhance the performance of lenses and windows by increasing light transmission and improving image quality and detection capabilities across multiple infrared wavelength ranges.
- Military and defence: In applications such as night-vision devices and surveillance systems, Multi-spectral infrared anti-reflective coatings provide enhanced optical performance and durability, enabling reliable operation in challenging environments.
- Remote sensing: In remote sensing systems, these coatings can improve the transmission of infrared light across a broad range of wavelengths, resulting in higher-resolution data and more accurate measurements.
- Laser systems: Multi-spectral infrared anti-reflective coatings help reduce reflection losses and optimize the transmission of laser light in laser-based applications, improving the overall efficiency and performance of the system.
- Medical devices: Infrared anti-reflective coatings can enhance the performance of medical devices that utilize infrared light, such as diagnostic equipment and surgical tools, enabling more accurate diagnoses and more precise procedures.