A method for dynamically refreshing volume holographic three-dimensional display

A technology of three-dimensional display and volume holography, which can be used in the recording/reproducing, optical recording/reproducing/erasing methods, information storage, etc., and can solve problems such as limiting the practicability of the system, shortening the refresh time, and slowing the refresh speed. , to achieve the effect of shortening the recording time, shortening the erasing time, and quickly erasing
CN103000191BActive Publication Date: 2016-05-18TSINGHUA UNIV
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
TSINGHUA UNIV
Publication Date
2016-05-18

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Abstract

The invention relates to a dynamic refresh volume holographic three-dimensional displaying method. The method includes the following steps: 1) an integral holographic three-dimensional imaging system is arranged and comprises a light path recording system, a light path reading system, a light path erasing system and a recording medium, and the light path recording system comprises an object light path system and a reference light path system; 2) a photochromic material is used as the recording medium, and volume holographic recording storage is performed on images of an object to be tested from a plurality of angles; 3) the object light path system is closed, and the reference light path system is used for reading three-dimensional image information; and 4) the light path recording system is closed, and the light path erasing system is opened to radiate an area of the recording medium which needs to be erased so as to erase the three-dimensional image information stored on the recording medium. The dynamic refresh volume holographic three-dimensional displaying method can be widely applied to three-dimensional object holographic imaging.
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Description

technical field

[0001] The invention relates to a method for storing and displaying optical information, in particular to a method for dynamically refreshing volume holographic three-dimensional display. Background technique

[0002] With the advent of the information age, people's requirements for visual experience are getting higher and higher. The traditional two-dimensional flat display is far from being able to meet people's requirements. Image display has become an important direction in the development of display technology. Most of the existing three-dimensional display technologies are pseudo-three-dimensional technologies. When the eyes receive images from two angles, a three-dimensional sense of space is produced due to the parallax of the eyes. Holographic imaging technology has realized naked-eye true three-dimensional display for the first time. Due to its high storage density and strong angle multiplexing characteristics, volume holographic technology has bec...

Claims

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