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LWIR Spectral Cameras

LWIR 8 - 14 μm

Thermal Hyperspectral Cameras in The long Wave Infra Red (LWIR)

LWIR Spectral Cameras are pushbroom type line scan cameras that provide full, contiguous hyperspectral data for each pixel along the imaged line. To respond to a wide range of applications and requirements. We have developed 3 models of LWIR Spectral Cameras; HS and HR (with uncooled detectors) and C (with cooled detector)

HS and HR Models

Spectral Cameras LWIR HS and HR integrate an uncooled detector and optics. They are compact and light weighing only 3.5 kg and are versatile tools for a wide variety of applications.

HS (high sensitivity model) covers the range 8-14μm. With a good sensitivity and moderate spectral resolution, HS is suitable for many industrial and Chemical Imaging applications.

HR(high resolution model) covers the range of 8-14μm and is designed for applications that require high spectral resolution. With spectral sampling of 70 nm and 85 bands, HR is a solution for applications where the targets emit at higher than normal ambient temperatures or where an IR source is used to illuminate the sample. Application examples include gas emission analysis and infrared Chemical Imaging.

C model

For the most demanding ground based remote sensing and security applications, Gilden Photonics has integrated a state-of-the-art temperature stabilized LWIR imaging spectrograph with the highest sensitivity cooled MCT detector. Spectral Camera LWIR C covers the spectral range 8-12um with high spectral selectivity of 84 bands (sampling of 48nm) and extensive speed of up to 100 images.

 

SPECTRAL CAMERA LWIR
OPTICAL CHARACTERISTICS C HR HS UNIT
Spectra Range 8 - 12 8 - 14 8 - 12 μm
Spectal Bans 84 85 30 -
Spectral Resolution 100** 100** 400 nm
Spectral Sampling / Band 48 70 200 nm
Spatial Pixels 384 Pixels -
Field of View with fore lense L43 ***, 24* with fore lens L62***. 30* -
Spatial Sampling 0.063* 0.079* -
Aberrations 0.063 -
Optics Temperature stabilised Uncooled -
ELECTRICAL CHARACTERISTICS
Detector MCT LWIR uncooled microbolometers -
Numerical Aperture F / 2.0 F / 1.0 -
Pixel Size 24 x 24 35 x 35 μm
Cooling Stirling-cycle cooler Uncooled -
Camera Output 14-bit LVDS 14-bit LVDS -
Frame Grabber NI-PCI 1422 or 1424 (National instruments0 -
Frame Rate up to 100 60 fps
Shutter/ Internal Calibration yes -
Power Consumption < 200 3.5 W
SNR target @ 300K*8 um 450*10 um 580*12 um 40 target @ 800K*8um 530*10 um 402*12 um 150 target @ 400K*8um 240*10um 210*12 um 180 μm
NESR (mW/m srum) *8um 21*10um 18*12um 40 *8um 2130*10um 1540*12 um 2470 *8um 171*10um 161*12um 139 μm
NETD/ Spectral Pixel 0.2     K

 

MECHANICAL CHARACTERISTICS
Size 175 x 285 x 200 100 x 143 x 185 100 x 143 x 185 mm
Weight 8.5 3.5 3.5 kg
Body Anodised aluminium and painted steel -
ENVIRONMENTAL CHARACTERISTICS
Storage -20...+50C -
Operating +5...+40C, non-condensing -

*  x2 software binning
**diffraction limited
***Other fore lenses available upon request. Fore lenses can be replaced by the customer.

  • Geological mapping mineral classification volcanology water temperature Camouflage detection
  • Gas detection
  • Flame analysis
  • Land cover type recognition
LWIR Spectral Cameras
 

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Contact us

Gilden Photonics Ltd.
Unit 13 Telford Court
9 South Avenue
Clydebank Business Park
Glasgow G81 2NR
UK

tel: +44 (0)141 952 9475
fax: +44 (0)141 952 9400
sales@gildenphotonics.com