Hyperspectral/multispectral cameras, compared to traditional cameras, divide the light spectrum into many small wavelength bands. Therefore, a Hyperspectral camera can capture the spectral fingerprints as spectral signatures from an object. These spectral signatures give very detailed information about the material constitutions of the imaged object.
Hyperspectral/multispectral imaging considerably improves the identification and classification of objects and is today recognized as a key enabling technology for next-generation industrial inspection, medical diagnosis and security applications.
Snapshot (non-scanning) hyperspectral/multispectral imaging is a method of capturing spectral images during a single integration time of a detector array, so that no scanning is involved. One of the major advantages of snapshot imaging is that it avoids motion artifacts, thereby simplifying the data processing and improving the image processing time.
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BaySpec’s SuperGamut™ series dispersive NIR spectral engines are designed to meet real-world challenges for best-in-class performance, long-term reliability, compact size and ultra-low power consumption. Benefiting from experience manufacturing high-volume optical channel performance monitoring devices for the telecommunications industry, BaySpec’s NIR spectral devices utilize low-cost field proven components. For the first time in instrumentation history an affordable, accurate and ruggedized spectral device is a reality.
The SuperGamut™ Series employs a highly efficient Volume Phase Grating (VPG™) as the spectral dispersion element and an ultra-sensitive InGaAs array detector as the detection element, thereby providing high-speed parallel processing and continuous spectrum measurements. As an input, the device uses an optimized objective lens based on customer’s field-of-view preferences. The signal is spectrally dispersed with the VPG™ and the diffracted field is focused onto an InGaAs array detector. The control electronics read out the processed digital signal to extract required information. Both the raw data and the processed data are available to the host.