HyperScan-VNIR - TechExpo

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HyperScan-VNIR - TechExpo

Real

Real

Fake

Fake

HyperVision GUI showing (three panels): easy-to-use controls (left), waterfall image of fake and real leaves (middle), and spectral profiles (right).

(a)

(c)

HyperScan-VNIR & HyperScan-SWIR: (a) side-by-side, (b) showing

scanning mirror and fore optic, (c) downward looking, & (d) on tripods.

(d)

(b)

Key Features

• TE cooled, low noise CCD camera (HyperScan-VNIR);

High resolution, high sensitivity SWIR camera (HyperScan-SWIR)

• Interchangeable lenses

• Automated dark frame collection

• Versatile scan modes for long integration time, high speed, or airborne data collection

• 2.0 nm FWHM spectral resolution from 400 – 1000 nm (HyperScan-VNIR, 25 µm slit)

5.4 nm FWHM spectral resolution from 950 – 1700 nm (HyperScan-SWIR, 25µ m slit)

• Built-in second order rejection for easy radiometric / reflectance calculations

• Versatile mounting configurations for flight, laboratory, and field

• Intelligent, easy to use control software (HyperVision)

• IRIG timestamping of image data


HyperScan Characteristics

Features HyperScan-VNIR HyperScan-SWIR

f/# 2 2.3

Binning Asymmetric (spectral, spatial) Not available

Spatial resolution 696 pixels 640 pixels

Spectral Resolution (FWHM) 2.0 nm (25 µm slit) 5.4 nm (25 µm slit)

Spectral range* 400 - 1,000 nm 950 - 1,700 nm

Dispersion 1.3 nm / pixel 4.0 nm / pixel

Number of spectral channels 462 188

Second order rejection Built-in Not applicable

Imaging Pushbroom hyperspectral

Slit width

25 µm (interchangeable)

Dark frame collection

Automatic

Scanning mode / resolution

Scan step down to 5 µrad

Scan angle (total field of regard)

Configurable (from -30° to + 30° off center)

Keystone / smile distortions

< 1 pixel

Calibration

Radiometric, spectral

Lenses

Interchangeable, apochromat, 8 mm to 70 mm; other lenses can be accommodated

Detector (others may be accommodated on a custom basis)

Detector resolution, pixel size 696 × 520, 13.7µm 640 × 512, 25.0 µm

Frame rate (max) 20 Hz full frame, 165 Hz binned 109 Hz full frame

Detector type TE cooled CCD InGaAs

Exposure control 10 µs - 17.9 min 10 µs - 1.5 s

Detector diagonal 11.9 mm 20.5 mm

Binning Asymmetric (from 8 × 1 to 8 × 8) Not available

Resolution / dynamic range 12 bits 14 bits

Digital interface Firewire (IEEE 1394) Camera Link

Software

Camera control Firewire Camera Link

Motor control via USB2.0

Real time waterfall and frame display

Dark frame collection

ROI selection

Histogram feedback

IRIG timestamping

Mechanical

Length × Width × Height

13.6 in (345 mm) × 6.9 in (175 mm) × 11.8in 13.6 in (345 mm) × 6.9 in (175 mm) × 12.0in

(300 mm)

(305 mm)

Mass 9.5 kg 9.7 kg

Sensor mount

Side, up, or down looking

Airborne application with locked mirror

Electrical

Supply voltage, max current

110 - 220 VAC or 12 VDC battery, 5 Amps

Image transfer Firewire Camera Link

Motor Control

USB2.0

* SWIR-2500 (1,000 – 2,500 nm) also available

HyperScan-VNIR

&

HyperScan-SWIR

Pushbroom Hyperspectral Sensors for

Airborne, Laboratory, and Field Applications

by

Converting light into knowledge

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