| 主权项 |
1. A photographic hologram system, comprising:
an illumination unit for providing a coherent beam; a beam splitting unit for splitting said coherent beam into a reference beam and an object beam; a reference beam processing unit for receiving said reference beam and outputting a reference light wave with respect to said reference beam; an image generating unit for providing a first image and a second image of a target object; an object beam processing unit comprising an object beam imaging system for guiding said object beam to said image generating unit, thereby generating an object light wave, wherein said object beam imaging system comprises a half-cylindrical lens, and said object light wave carries an image information of said first image and said second image following in time; and a film; wherein said half-cylindrical lens is positioned directly in front of said film, and when said reference light wave and said object light wave are incident to said film, said reference light wave and said object light wave are interfered with each other to result in a plurality of interference fringes of two-dimensional areas with respect to said first image and with respect to said second image on said film, wherein said object light wave is directed from said image generating unit to said film through said half-cylindrical lens, wherein, exclusive of being located right on said focal plane distance, said film is located within a depth-of-field range around a focal plane distance of said object beam imaging system, and a portion of said interference fringes of said two-dimensional area with respect to the first image is overlapped with a portion of said interference fringes of said two-dimensional area with respect to the second image. |
