H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 31/02 (2006.01) G02B 5/32 (2006.01) H01L 31/04 (2006.01)
Patent
CA 2390560
Described herein is a quadrant detector which comprises a holographic optical element (10) and a plurality of detector elements (22, 24, 26, 28). The holographic optical element (10) is designed to have four quadrants (12, 14, 16, 18) each of which directs radiation incident thereon to an associated detector element (22, 24, 26, 28). Signals from the detector elements (22, 24, 26, 28) are processed individually to optimise the performance of each detector element.
Bae Systems Plc
Fetherstonhaugh & Co.
Selex Galileo Ltd
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