Methods to determine spatial angle of a light beam

Details Methods to determine spatial angle of a light beam Methods to determine spatial angle of a light beam

G - Physics

01

S

G01S 3/784 (2006.01) G01B 11/26 (2006.01) G01S 3/78 (2006.01) G01S 3/781 (2006.01)

Patent

CA 2119330

METHODS TO DETERMINE SPATIAL ANGLE OF A LIGHT BEAM ABSTRACT OF DISCLOSURE Methods for determining the spatial angle of inci- dence of a light beam are disclosed. In one embodiment, incident light is focused by a stripe lens onto an array of detectors. The spatial angle of incidence is determined by the position of the light beam focused on the detector array. In another embodiment, incident light is focused by a stripe lens onto an optical fiber array which guides the light onto a detector array. The spatial angle of incidence of the light beam is determined from the combination of signals received by detectors in the detector array.

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