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AisaOWL
Go to Hyperspectral Cameras
Go to Specim

AisaOWL: high-performance, compact thermal airborne hyperspectral sensor
Sensitive enough to detect gases

SPECIM's AISA systems are ruggedised spectral imaging solutions dedicated to airborne, defence and other remote sensing applications, producing high-quality hyperspectral images, where each singly measured spectrum has precise, calibrated ground coordinates. The systems cover VNIR, SWIR and LWIR spectral ranges. All AISA sensors can also be used for ground-based hyperspectral imaging.


The Aisa OWL system includes integrated:
• The AisaOWL sensor
• High-performance GPS / IMU sensor
• Data acquisition and power unit with user-friendly interface and image acquisition software
• CaliGeoPro software for pre-processing

AisaOWL - recognises chemical compositon in demanding thermal and lighting conditions
Covering the contiguous spectral range from 7.6 to 12.5 µm in 100 channels and with the sensitivity to detect and classify even gases, the AIsaOWL LWIR thermal camera has the capacity to detect the chemical compositon of freezing materals in no-light conditions.

Temperature controlled via a stirling cycle cooler, the camera not only provides the cooling necessary for the correct functioning of the LWIR imager, but because of its size reduces both the complexity and the weight of the unit (13.l kg).

Due to its design and sensitivity, the AisaOWL captures all its spectral bands for the entire 384 swath-width of pixels simultaneously, and sustains the 100 frames-per-second storage speed of the whole datacube continuously. And all is conducted without degredation of image quality.

A special feature of the aisaOWL is its lack of moving parts having only one - the shutter used for dark image calibration between data collection sessions - and since the image data is captured without any moving parts, there is no distortion caused by mechanical inaccuracies of the sensor itself.

Given AisaOWL's lack of complexity and its excellent sensitivity, the camera's design architecture has eliminated major airborne hyperspectral imaging problems usually found in Fourier Transformation and whisk-broom-type instruments. Consequently, line-of-sight jitter, sampling jitter, spatial pixel mixing, spectral shift and clipping effects have been specifically address in the design and removed.

Features
• Compact for installation in the smallest aircraft including UAVs • Operable without technical expertise • High and stable performance during flight
• Cost-efficient deployment in off-the-shelf installation • No special maintenance requirements • Excellent spectral and spatial imaging performance

Applications
• Geological mapping • Mineral classification • Ground and costal water temperature
• Camouflage detection • Land cover-type recognition  

Accessories for Aisa Hyperspectral Airborne Series      
Specifications
AisaOWL
Sensor MCT with stirling-cycle cooler
Spectral range 7.6 - 12.5 µm
Spectral resolution 100 nm (diffraction limited)
Swath width 0.425 x altitude
Number of spectral bands 100
Spectral sampling/band 48 nm
Frame rate U to 100 frames-per-second
Spatial pixels 384 pixels
Dimensions 175 x 285 x 200 mm
Mass
13.1 kg
Storage temperature
- 20 ... +50º C
Operating temperature
+5 ... +40º C, non-condensing
Power consumption
< 200 W

AisaOWL data sheet


 

 

 

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