ANT | SWIR multispectral snapshot camera

Sensor type

InGaAs

Raw image resolution - pixel pitch

640 x 512 px - 15 µm

Spectral image resolution

213 x 170 px

Number of bands

9 (3 x 3 Bayer-like filter)

Typical Spectral Range

1100 to 1600 nm

Bandwidth (FWHM avg)

30 nm

The ANT is a SWIR multispectral snapshot camera that provides in real-time an image cube corresponding to 9 spectral bands between 900 and 1700 nm.  It is based on the hybridization of a custom 3 x 3 Bayer-like mosaic filter onto an InGaAs sensor, thus allowing the extraction of a the spectrum on each point of the image. Each individual spectral image is built using a demosaicing or de-Bayering process combined with an algorithm minimizing the cross-talk between each spectral bands.

This technique allows real-time multispectral applications using a low-SWaP commercial camera with no moving parts. Using the ANT is as easy as using a color camera with R,G,B filters.

Principle of a SWIR multispectral camera

 

 

The ANT is a SWIR multispectral snapshot camera that provides in real-time an image cube corresponding to 9 spectral bands between 900 and 1700 nm.  It is based on the hybridization of a custom 3 x 3 Bayer-like mosaic filter onto an InGaAs sensor, thus allowing the extraction of a the spectrum on each point of the image. Each individual spectral image is built using a demosaicing or de-Bayering process combined with an algorithm minimizing the cross-talk between each spectral bands.

This technique allows real-time multispectral applications using a low-SWaP commercial camera with no moving parts. Using the ANT is as easy as using a color camera with R,G,B filters.

Principle of a SWIR multispectral camera

ColorShadesLab software preview

Sensitivity

900-1700 nm (SWIR)

Material

InGaAs

Resolution

640 x 512 (VGA)

Frame Rate

100 – 250 fps

Pixel Pitch

15 µm x 15 µm

Cooling

Uncooled / TEC-less

Type

Camera

Interface

USB

Array Type

2D array / areascan

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