Infinite optical image-forming apparatus
Abstract
Abstract 1. IMAGE-FORMING APPARATUS COMPRISING A BEAM-SPLITTING CURVED MIRROR, A FIRST QUARTER-WAVE PLATE DISPOSED ON THE CONCAVE SIDE OF THE CURVED MIRROR, A SECOND BEAMSPLITTING MIRROR DISPOSED ON THE SIDE OF THE FIRST QUARTERWAVE PLATE REMOTE FROM THE CURVED MIRROR, A SECOND QUARTER-WAVE PLATE DISPOSED ON THE SIDE OF THE SECOND BEAM-SPLITTING MIRROR REMOTE FROM THE FIRST QUARTER-WAVE PLATE, AND A POLARIZER DISPOSED ON THE SIDE OF THE SECOND QUARTER-WAVE PLATE REMOTE FROM THE SECOND BEAM-SPLITTING MIRROR, THE FIRST AND SECOND QUARTER-WAVE PLATES HAVING THEIR FAST AXES ORIENTED WITH RESPECT TO EACH OTHER AT A SUBSTANTIALLY INTEGRAL MULTIPLE OF 90* AND THE POLARIZER HAVING ITS PLANE OF POLARIZATION ORIENTED SUBSTANTIALLY AT AN ODD INTEGRAL MULTIPLE OF 45* TO THE FAST AXIS OF THE SECOND QUARTER-WAVE PLATE.
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