LOW COST HYPERSPECTRAL IMAGING AT UNIS

F. Sigernes

The University Centre on Svalbard, Norway

 

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

PRINCIPLE

 

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

 

CALIBRATION-CALIBRATION-CALIBRATION

 

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DORNIER 228LUFTTRANSPORTSLIDING DOORSIDE VIEW 30 DEG.V = 200 KM / HRZ = 3000 M

 

REGULAR STUFF!

 

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AIRBORNE APPLICATIONS

 

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