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contributed. Since then, the pictorial art of photography has gradually become an important photographic genre. 
Holography 
Holography is a kind of records are photo objects reflected wave amplitude and phase, and all other information on the new photography. Photography is a record of ordinary objects 
Agate carving colorful plants “sub Dragon” 
Plane intensity distribution, it can not record objects in the reflected light of the phase information, and thus lost the three-dimensional. Holography using laser as light source and light source into two beams of light emitted, a bunch of direct fired sensitive film, and the other a bunch of photo objects of reflection by being fired after the sensitive film. Two beams of light sensitive film, superposed interference, photographic film sensitive points on the extent of not only with the intensity of the light beam with the two different phase relations. Therefore, holography not only records the object of reflection intensity, phase information is also recorded.Directly to the human eye to see this sensitive film, only to see the same interference fringes as fingerprints, but if it is irradiated with a laser to the human eye can see through the original film was shot identical three-dimensional objects, like . A holographic image Even if just one small part, can still reproduce all the features. Holography can be used in industrial non-destructive testing, ultrasonic holography, holographic microscopy, holographic memory, holographic film and television, and many other aspects. 
1. Painting photography doctrine 
Painting doctrine early 20th century photography is popular in the field of photography an art school, it produces in the mid-nineteenth century

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