Infrared camera housings

Specialised enclosures for infrared camera protection and performance

Infrared (IR) camera housings are designed to protect infrared imaging systems while preserving the quality and integrity of the thermal signal. They combine environmental protection with the specialist optical and thermal requirements of infrared cameras, helping systems perform reliably in demanding conditions.

The housing needs to protect the camera without interfering with the wavelengths it is designed to detect. This means selecting an appropriate IR-transmitting window, managing internal temperatures and maintaining a stable, well-sealed environment.

Key engineering considerations include window material and spectral compatibility, thermal management, ingress protection, optical alignment and mechanical robustness. Compared with visible camera housings, IR housings require greater attention to both optical and thermal design, as the wrong materials or uncontrolled temperature changes can affect image quality and, in some applications, measurement accuracy.

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Why our portfolio is right for you

Our IR camera housings are designed to protect infrared imaging systems while maintaining the optical and thermal performance they depend on. From industrial inspection and surveillance to scientific and specialist field applications, our solutions help keep IR cameras protected and operating reliably in challenging environments.

We offer configurable housing solutions for different infrared cameras, spectral bands and environmental requirements, with options covering window materials, sealing, mounting and thermal management.

Our in-house engineering expertise means we can help you select the right housing based on your camera, operating environment and performance requirements. From choosing the appropriate IR window through to mechanical and thermal integration, we work with you to develop a solution that protects your system without compromising the quality of your thermal imagery.

Key selection factors

  • IR window material and spectral compatibility: The window needs to transmit the wavelengths used by the camera. Germanium, chalcogenide and other specialised materials are available for different infrared bands, so the correct material must be matched to the system.

  • Thermal management and stability: The housing should support stable camera operating conditions. Depending on the application, passive thermal management may be sufficient, while more demanding systems may require heating, cooling or thermal isolation.

  • Ingress protection (IP rating): The enclosure needs to provide the appropriate protection against dust, moisture and other environmental contaminants without compromising the camera’s thermal or optical performance.

  • Optical alignment and precision: The camera and IR window must remain correctly aligned throughout operation. This is particularly important for high-resolution, narrow-field-of-view and long-range imaging systems.

  • Mechanical robustness: The housing needs to withstand vibration, impact and environmental stresses while protecting the camera and maintaining optical alignment.

  • System compatibility: The housing must accommodate the specific camera, lens and mounting arrangement, including the required optical path, interfaces and available space.

Technical overview

IR camera housings are engineered to protect infrared imaging systems such as LWIR and MWIR cameras while maintaining an unobstructed path for thermal radiation. The housing window is therefore a critical part of the overall design.

Unlike standard visible-light cameras, which can use conventional glass or polycarbonate windows, IR cameras require materials that transmit the relevant infrared wavelengths. Depending on the spectral range, options can include germanium, chalcogenide and other IR-compatible materials.

Thermal behaviour is another important consideration. Changes in the temperature of the housing or the air surrounding the camera can affect infrared imaging performance, particularly where the camera is being used for accurate temperature measurement. Depending on the camera and application, the housing may therefore incorporate thermal isolation, heating, cooling or controlled airflow.

Maintaining the optical alignment between the camera and IR window is equally important. Even small mechanical shifts can affect the field of view or image quality, particularly in systems using long focal-length optics.

These considerations make IR housings more than a protective enclosure. They form part of the imaging system and need to be designed around the camera, spectral band and operating environment.

Integration notes

IR camera housings need to be integrated with particular care to maintain the optical and thermal performance of the imaging system. The camera and IR window should be securely mounted and accurately aligned, with sufficient mechanical rigidity to prevent movement during operation.

Thermal management should be considered alongside environmental sealing. A well-sealed enclosure can provide excellent protection against dust and moisture, but it can also affect how heat is dissipated. The appropriate approach will depend on the camera’s operating temperature range, duty cycle and the conditions in which it will be deployed.

Condensation, contamination and moisture on the IR window can significantly reduce image quality. Housing design should therefore consider how the window will be protected and maintained in the intended environment, including any requirements for heating, ventilation or other moisture-control measures.

Where the housing is mounted to a pan and tilt positioner or EOIR gimbal, its weight, dimensions and centre of gravity should also be considered. These factors can affect positioning and stabilisation performance and should be included in the overall system design.

Compared with visible camera housings, IR housings require tighter control of the optical path and, in many applications, greater attention to thermal behaviour. Getting these elements right at the design stage helps preserve reliable infrared performance in the field.

FAQ’s

They are used to protect infrared cameras while maintaining thermal imaging performance. Applications include industrial inspection, surveillance, and scientific measurement. They ensure reliable operation in harsh environments.

The main difference is optical and thermal requirements: • IR housings: specialised window materials and thermal control • Visible housings: standard optical materials IR housings are more complex due to thermal imaging needs.

The window must transmit infrared radiation effectively. Materials like germanium are commonly used. Incorrect materials can block or distort the thermal signal.

Yes, thermal stability is essential to maintain accurate imaging. Temperature variations can affect calibration and image quality. Proper design is critical.

Yes, they are designed for harsh environments with appropriate sealing and protection. Environmental resistance is important. Design must match deployment conditions.

Typical challenges include: • Maintaining optical alignment • Managing thermal conditions • Preventing contamination These factors affect performance.

Yes, poor design or thermal instability can introduce measurement errors. Proper material selection and thermal control are essential. Design quality directly impacts accuracy.

Typical issues include: • Using incorrect window materials • Ignoring thermal management • Overlooking environmental sealing These can lead to degraded performance or failure.