Using MCT Detectors for Increased Speed in Thermographic Cameras

MCT Detectors

A special high-speed configuration increases the range of applications of the camera series ImageIR® 8300.

Global users of thermographic cameras are partially subject to quite varied import regulations. It is vital for them to be able to choose from as a number of cameras with varied detector materials as possible. InfraTec has also developed the high-end series ImageIR® 8300 with detectors based on mercury cadmium telluride (MCT), thus supporting the search for an extensive range of products.

Thermographic Cameras with Mercury Cadmium Telluride Detector

In the midst of the medium infrared wavelength range, the ImageIR® 8300 series offers an MCT detector with (640 × 512) IR pixels, which can be employed as an alternative to detectors based on indium antimonide (InSb). The speed by which data can be recorded, transmitted and stored externally by cameras is now increasing due to the fundamental technical progress.

While the infrared frame rate of the new camera model increases from 116 Hz to 151 Hz in standard mode for a full frame image, the high-speed mode allows transmission, recording and memory rates up to 232 Hz. The doubling of the earlier level means an increase of 420 Hz to 828 Hz for the half frame mode (540 Hz in standard mode). This extra speed improves the application range of the thermographic camera to include the analysis of majorly faster thermal processes typical, for instance, for special applications of active thermography.

A main factor for this gain in speed refers to the new integrated 10 GigE interface. This has earlier increased the performance potential of other models in the ImageIR® series and is presently being used for the first time in a camera attached to an MCT detector. The interface provides users a transmission speed of 10 Gbit/s. Special 10 GigE transceivers integrated with modern fibre optic cables guarantee a direct connection between the computer and camera with an extremely accurate timing. It can manage this without any extra, interconnected storage medium, and it is completely insensitive to electromagnetic interferences and capable of reaching over a distance of several meters up to ten kilometres.

Besides the speed, the camera series ImageIR® 8300 features an exceptional thermal resolution up to 20 mK. This allows the detection of also the slightest temperature differences typical for most challenging applications from science and development.


The complete modular structure of the series ImageIR® has allowed the possibility of adapting thermographic cameras to such tasks in an extremely easy manner. The concept makes retrofitting with components such as internal high- speed shutters or motorized focus easier. This also comprises of aperture wheels and motorized filter. They allow users to respond to material-specific transmission and emission properties of the measurement objects or to extend the temperature measuring range of the cameras.

InfraTec GmbH.

This information has been sourced, reviewed and adapted from materials provided by InfraTec GmbH.

For more information on this source, please visit InfraTec GmbH.


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