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Application filed by Vision EngfiledCriticalVision Eng
Priority to MYPI20023486priorityCriticalpatent/MY138484A/en
Publication of MY138484ApublicationCriticalpatent/MY138484A/en
THE INVENTION PROVIDES AN OPTICAL INSTRUMENT INCLUDING MEANS (1, 2) TO PRODUCE AN OPTICAL IMAGE TO BE VIEWED BY AN OBSERVER INCLUDING A DIFFRACTIVE ELEMENT (7) LOCATED AT AN INTERMEDIATE FOCAL OR IMAGE PLANE (4) OF THE OPTICAL INSTRUMENT AND COMPRISING A PATTERN OF A PLURALITY OF AREAS EFFECTIVE TO CAUSE DIFRACTION INTERFERENCE IN LIGHT PASSING THROUGH THE OPTICAL INSTRUMENT AND THEREBY PRODUCE AN EXPANDED EXIT PUPIL (6) COMPRISING A COMBINATION OF A MULTIPLICITY OF EXIT PUPILS DISPLACED RELATIVE TO ONE ANOTHER TRANSVERSE TO AN OPTICAL AXIS (3) OF SAID INSTRUMENT.
MYPI200234862002-09-192002-09-19Optical instrument with optical element providing expanded exit pupil
MY138484A
(en)