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HERA Extended SWIR (900-2300 nm)

An ULTRA-SENSITIVE HYPERSPECTRAL CAMERA

HERA IPERSPETTRALE is a compact and rugged camera that enables an innovative approach to spectral imaging.
With its unique and patented technology based on time-domain Fourier Transform (FT) detection, HERA provides exceptional spatial-spectral resolution and superior sensitivity in low-light illumination conditions.

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Description

An ULTRA-SENSITIVE HYPERSPECTRAL CAMERA

HERA IPERSPETTRALE is a compact and rugged camera that enables an innovative approach to spectral imaging.
With its unique and patented technology based on time-domain Fourier Transform (FT) detection, HERA provides exceptional spatial-spectral resolution and superior sensitivity in low-light illumination conditions.

Working Principle

HERA is based on a Fourier Transform (FT) approach: the data-cube is acquired in the time-domain, by step-scanning a compact ultra-stable interferometer in front of the bidimensional sensor.
The software then automatically computes an FT at each and every pixel of the image, providing the final hyperspectral data-cube.
As a result of an FT, the spectrum at each pixel is a continuous curve, so the number of bands is virtually unlimited, not defined by the hardware.

Spectral Resolution

As in any other FT techniques, the spectral resolution is not constant as a function of the wavelength. Also, the spectral resolution can be simply varied via software: at each measurement, you can decide whether to acquire a high spectral resolution-image, or – if not required – a faster and lower spectral resolution-image.
Regardless of this choice, the exceptional light throughput is not affected, thanks to the FT approach.

Specifications

Technical specifications

Spectral range 900 – 2300 nm
Sensor spatial resolution 320 x 256 pixels
User adjustable spectral resolution <5 nm @ 900 nm

<30 nm @ 2300 nm

Detector Type T2SL photodiode array with CTIA ROIC, 4-stage TE cooler
Number of bits 14 bits
Software interface Labview based interface
Number of spectral bands ∞*
Field of view 16 degrees
Working distance 110 cm – ∞
Dimensions 240 x 170 x 120 mm
Weight 5 kg
Minimum Computer Requirements 16 GB RAM, SSD drive suggested

* HERA is FT spectroscopy based instrument and number of spectral bands is software selectable and independent from measurement time

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