Three-dimensional imaging system
A three-dimensional imaging system is described which exploits the defocusing of non-zero diffraction order images caused by the quadratic distortion of a diffraction grating ( 4 ). An optical system ( 1 ) is used such that objects ( 5, 6 and 7 ), located at different distances from grating ( 4 ), a...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A three-dimensional imaging system is described which exploits the defocusing of non-zero diffraction order images caused by the quadratic distortion of a diffraction grating ( 4 ). An optical system ( 1 ) is used such that objects ( 5, 6 and 7 ), located at different distances from grating ( 4 ), are imaged simultaneously and spatially separated on a single plane B. |
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