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Full Range 8 - 12 μm

aisaOWL is designed to provide the remote sensing market with the first LWIP hyperspectral imagery which is compact for installation in the smallest aircrafts, even in UAVs, and can be operated and maintained without special technical expertise.

aisaOWL’s performance meets the most demanding remote sensing pplications in the thermal spectral region from 8 to 12μm. The aisaOWL pushbroom type sensor integrates Specim’s proprietary temperature stabilized imaging spectrograph with the highest sensitivity cooled MCT camera. This state-of-the-art technology together with the sensor’s advanced internal background monitoring and calibration solution provide high and stable performance during flight missions.

Like all Specim’s hyperspectral imaging sensors, aisaOWL is an off-shelf product. It makes aisaOWL a cost-efficient deployment not only for defense users, but also for commercial remote sensing companies and academic clients.

aisaOWL: 384 Spatial Pixels, up to 84 Spectral

Gilden Photonics provides aisaOWL as a full, turnkey system. The complete aisaOWL system consists of:

  • Image Acquisition computer with a user-friendly interface and image
  • Acquisition software
  • High performance GPS/INS sensor
  • Power supply
  • CaliGeo pre-processing software

Key Benefits

  • Sensor size without fore lens ca. 175 x 285 200mm, 13.1kg
  • No special maintenance requirements
  • High sensitivity
  • Superb Spectral and spatial imaging performance
  • Covers full LWIR 8 to 12 μm with 84 spectral bands
Spectrograph High efficiency transmission imaging spectrograph.Smile and keystone < 0.1 pixels -
Numerical Aperture F / 2.0 -
Spectral Range 8 - 12 μm
Spectral Resolution 100 nm**
Calibration Sensor provided with wavelength and radiometric calibration file -
FOV 24 degrees
IFOV 0.063 degrees
Swath Width 0.425 x altitude -
Ground Resolution @ 1000 m Altitude 1.1 m
Detector MCT with stirling-cycle cooler -
Number of Spectral Bands 84 -
Spectral Sampling / Band 48 nm
Frame Rate Up to 100 fps
Spatial Pixels 384 pixels
Output 14-bit LVDS -
SNR (target 300 K)*NESR (mW / m2sr um)* at 845021 at 1058018 at 1223040 μm
Integration time Adjustable, independent of image rate -
Shutter / Internal Calibration Yes -
Operation Modes Hyperspectral and multispectralThe operator can create application specific band configurations and quickly change from one mode or configuration to others in flight operation -
Optics Temperature Stabilised -
Power Consumption < 200 W
Size ca. 175 x 285 x 200 mm³
Weight 13.1 kg
Storage -20...+50 °c
Operating +5...+40, non-condensing °c
  • Plant mapping and distribution
  • Water quality, oil spills
  • Geology, mineralogy
  • Vegetation health
  • Forest inventory
  • Archaeology
  • Target detection
    1. Drug plantations
    2. Illegal activities
    3. Security and defence threads

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Contact us

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

tel: +44 (0)141 952 9475
fax: +44 (0)141 952 9400