Hyperspectral cameras

A spectral camera images a line of an object and provides the spectral information of each pixel in the second dimension of the line. Corresponding software displays a 3 dimensional spectral cube of an object or displays spectral information of moving objects.

A hyperspectral camera set-up includes optics, an imaging spectrograph, a camera displaying the spectral information and a software package to display and calculate the results.

Our spectral cameras cover the full spectral range using CCD and CMOS detectors in the UV and visible range, InGaAs and MCT cameras in the near infrared, and InSb and microbolometers for hyperspectral imaging in the thermal infrared.

Hyperspectral cameras can be integrated in complete NIR chemical imaging systems and SWIR spectral camera systems which are commonly used in chemical and pharmaceutical laboratories.

Our spectral cameras in the wavelength ranges 380 nm to 800 nm and 400 nm to 1000 nm offer excellent spectral and optical performance. They consist of an imaging spectrometer type ImSpector V8E or ImSpector V10E and a high-speed CMOS, sCMOS or CCD detector.

We offer different camera models which vary in terms of spectral and spatial resolution, spectral response, imaging speed and sensitivity. The standard CMOS-based spectral camera is the PFD camera with a full frame rate of 65 Hz and 1312 x 1024 pixels. For applications that require an extra sensitive camera, we offer a spectral camera based on a sCMOS detector.
The high spectral resolution of 2 nm is defined by the ImSpector imaging spectrograph. The spectral sampling is as good as 0.59 nm.

New model FX10 is targeting those applications where high speed and easy integration is requested. Despite the low cost and small size it offers high image quality.

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NIR spectral cameras are widely used in research and industrial applications like sorting applications, vegetation and environmental analysis, phenotyping, painting analysis, food and pharmaceutical measurements and many more. Our NIR spectral cameras are based on Specim’s imaging spectrograph N17E. The N17E is combined with high-performance InGaAs detectors. The InGaAs detectors are thermally stabilized by the thermoelectric cooler TE1 which also assures spectral data stability for measurements that take longer or are subject to changing ambient temperatures.

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SPECIM has just launched a fast hyperspectral camera in the shortwave infrared range (SWIR 1000 - 2500 nm). The camera uses a new and unique high-resolution detector with 384 spatial pixels. It achieves a very fast frame rate with up to 400 frames per second in full frame mode.

The camera is built with temperature-stabilized optics which provide great stability and high sensitivity during long acquisition runs even under changing ambient temperatures. Even for long term applications, only one white reference acquisition is necessary. The camera is truly indispensable for a lot of challenging applications like SWIR and NIR chemical imaging, phenotyping, and painting or geological applications.

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In the medium-wave infrared (MWIR; 3 - 5 µm) band, thermal radiation of objects is used to detect and analyze their composition. Hyperspectral imaging in the MWIR provides highly interesting information, as a lot of widely-used materials have characteristic spectral signatures in this range. Specim’s MWIR spectral camera combines a high-end cooled detector based on InSb with a Specim imaging spectrograph of highest performance. The MWIR spectral camera comes with specially designed front lenses with highest transmission and low optical aberrations to ensure the best possible performance.

The MIR wavelength range allows scanning minerals and black polymers that cannot be seen in the SWIR. The system is perfectly suited for high-speed industrial or high-resolution research applications.

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Hyperspectral imaging in the longwave infrared (LWIR) band offers new ways to identify and quantify even more materials based on their characteristic spectral signatures. Thermal LWIR spectral imaging covers the range 8 – 12 µm and is widely used to analyze chemicals, gases, minerals or atmospheric radiations. Specim is the first manufacturer to have developed push-broom devices for hyperspectral imaging in the LWIR. They use brand-new imaging spectrometers with reflective and refractive optics. Specim’s LWIR spectral cameras allow measurements under laboratory conditions where illumination is required and line illumination is the best possible choice. Two different LWIR spectral camera detector types are offered: the compact model HS based on uncooled microbolometer technology and the high-performance cooled model C.

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