Multi-Layer Broadband IR AR Coatings

Excellence in Each Layer

G&H | Artemis, a trailblazer in the field of optical technology, proudly presents its Multi-Layer Broadband Infra-Red Anti-Reflective (IR AR) Coatings - a perfect blend of precision, durability, and innovation, ideally suited for a wide spectrum of applications. Be it standard needs or custom design requisites, G&H | Artemis caters to all with unparalleled expertise, cementing our place as the go-to solution provider for industry-leading anti-reflection coatings.

Our Multi-Layer Broadband IR AR Coatings are meticulously engineered to optimise light transmission across specific wavelengths. The coatings can be deposited on diverse materials such as Silicon, Germanium, Multispectral ZnS, Zinc Selenide, and Chalcogenides, making them incredibly versatile for various industry needs.

Our customers can choose from our impressive coatings line-up that includes the Multi-Layer Broadband (HDAR on Silicon) and Multi-Layer Broadband (HEAR on Germanium). The HDAR on Silicon, optimized for 3-5 µm, and the HEAR on Germanium, optimized for 8-12µm (also available on MS ZnS and ZnSe), offer an expansive range to match diverse application needs.

The competence of G&H | Artemis’ Multi-Layer Broadband IR AR Coatings goes beyond mere technical superiority. These coatings are also certified to meet rigorous military environmental conditions laid down by MIL-C-48497A, and MIL-STD-810G Method 509.5 (10 days) for the HDAR on Silicon. The HEAR on Germanium meets the military specifications of MIL-C-48497A including Para 4.5.3.1 for Adhesion, Para 4.5.3.2 for Humidity, and Para 4.5.3.3 for Abrasion.

Choosing our Multi-Layer Broadband IR AR Coatings translates to securing a solution built on a foundation of superior performance, enduring quality, and stringent compliance to military standards. These coatings significantly reduce surface reflection in the infra-red spectrum, ensuring optimal signal transmission and crystal-clear information delivery.

Multi-Layer Broadband (HDAR on Silicon)

R < 0.3% average 3.5-5µm @ 0° AOI
T > 98% average 3.5-5µm rear face removed

- Optimised for 3-5 µm.
- Silicon
- Germanium
- Zinc Sulphide
- Zinc Selenide
- Calcium Fluoride
- Barium Fluoride
- Magnesium Fluoride
- Chalcogenides
- Nickel-plated Aluminium
- MIL-C-48497A
- MIL-STD-810G Method 509.5 (10 days)
- 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.
- Military and defence: In applications such as night-vision devices and surveillance systems, Multi-Layer Broadband 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-Layer Broadband infrared anti-reflective coatings help reduce reflection losses and optimise 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 utilise infrared light, such as diagnostic equipment and surgical tools, enabling more accurate diagnoses and more precise procedures.

Multi-Layer Broadband (HEAR on Germanium)

Reflection < 0.9% 7.5-8µm, <0.3% 8-11.5µm and < 1.3% 11.5-12µm @ 0° AOI
Double side Transmission > 98% average 7.7-11.3µm and >96% absolute. > 94% average 11.3-12µm

- Optimised for 8-12µm on Germanium (also available on MS ZnS and ZnSe).
- Silicon
- Germanium
- Multispectral ZnS (Zinc Sulfide)
- Zinc Selenide
- Chalcogenides
- 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.
- Military and defence: In applications such as night-vision devices and surveillance systems, Multi-Layer Broadband 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-Layer Broadband 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.
Source: Chat GPT