low cost hyperspectral imaging at unis
DESCRIPTION
LOW COST HYPERSPECTRAL IMAGING AT UNIS. F. Sigernes The University Centre on Svalbard, Norway. SCENARIO SVALSAT is well established. All polar satellites in field of view. Longyearbyen airport. Local airborne carriers. AGF-207, AGF-331 & AGF-218 Logistics CryoWing UAV w/ NORUT IT. - PowerPoint PPT PresentationTRANSCRIPT
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LOW COST HYPERSPECTRAL IMAGING AT UNIS
F. Sigernes
The University Centre on Svalbard, Norway
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SCENARIO1. SVALSAT is well established.2. All polar satellites in field of view.3. Longyearbyen airport.4. Local airborne carriers.5. AGF-207, AGF-331 & AGF-2186. Logistics7. CryoWing UAV w/ NORUT IT
= REMOTE SENSING
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PRINCIPLE
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Wavelength [nm]
Refractive indexn
Diffracted angle [deg.]
BP [ nm] Linear dispersion d/dx [nm/mm]
300 1.61829 38.9872 0.63 37.9174
400 1.58942 33.6908 0.74 48.0392
500 1.57606 29.2111 0.80 53.9186
600 1.56880 25.1126 0.82 57.7198
700 1.56442 21.2360 0.83 60.3967
800 1.56158 17.5051 0.84 62.3734
900 1.55963 13.8757 0.85 63.8542
The grating equation is modified by using Snell’s law
sinsin nam
where m is the spectral order, is the wavelength, a the groove spacing, the incident angle and the diffracted angle.
KEY OPTICAL ELEMENT
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CALIBRATION-CALIBRATION-CALIBRATION
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NE
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SETUP
DORNIER 228LUFTTRANSPORTSLIDING DOORSIDE VIEW 30 DEG.V = 200 KM / HRZ = 3000 M
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REGULAR STUFF!
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AIRBORNE APPLICATIONS
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