Wide field-of-view radiation sensors and methods

Details Wide field-of-view radiation sensors and methods Wide field-of-view radiation sensors and methods

1998-06-30

2000-07-11

Le, Que T.

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

244164, G01C 2102

Patent

active

060876468

ABSTRACT:
Methods are provided for sensing radiation direction over a wide field-of-view. In one process step, radiation is received over a first solid angle and, in response, the direction of that radiation is sensed along a first sensor axis. In a similar process step, radiation is received over a second solid angle and, in response, the direction of that radiation is sensed along a second sensor axis. The first and second solid angles are arranged to spatially intersect over a third solid angle that is a subset of the first solid angle and a subset of the second solid angle. These methods facilitate the determination of inertial planes over a wide field-of-view and the third solid angle facilitates the determination of inertial vectors. Radiation sensor structures in accordance with the methods are also provided.

REFERENCES:
patent: 4999483 (1991-03-01), Okamoto et al.
patent: 5698842 (1997-12-01), Fallon et al.
Morgan, Walter L., et al., Communications Satellite Handbook, John Wiley & Sons, New York, 1989, pp. 648-649. (Month Unknown).

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