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Ternary exposure technology-based achromatic system and implementation method thereof

A sub-exposure, achromatic technology, applied in the field of multi-spectral imaging, can solve the problems of high cost, time-consuming, and extremely high manufacturing process requirements

Inactive Publication Date: 2015-05-13
佛山市智海星空科技有限公司
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Problems solved by technology

However, this method has extremely high requirements on the manufacturing process, and is time-consuming and costly.

Method used

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  • Ternary exposure technology-based achromatic system and implementation method thereof
  • Ternary exposure technology-based achromatic system and implementation method thereof
  • Ternary exposure technology-based achromatic system and implementation method thereof

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Embodiment Construction

[0046] The present invention provides a system and method for achromatic aberration based on three-time exposure technology. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0047] A kind of achromatic system based on triple exposure technique disclosed in this embodiment, wherein, such as figure 1 Said, said system includes:

[0048] Microdisplay 1, collimator lens 2, optical waveguide 3, coupling-in grating 4 and coupling-out grating 5; Described waveguide is provided with glass substrate; Described coupling-in grating and coupling-out grating are respectively arranged on the two ends of glass substrate;

[0049] After the RGB three-color light 6...

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Abstract

The invention provides a ternary exposure technology-based achromatic system and an implementation method thereof. The system comprises a micro display, a collimating lens, a first grating and a second grating, wherein colored light emitted by the micro display irradiates to the first grating through the collimating lens; RGB (Red Green Blue) three-color light wave is reflected in the same direction to enter a light waveguide through modulation of the first grating; at the second grating, the light wave is modulated and reflected back to enter human eyes, so colorful images can be seen by human eyes. According to the ternary exposure technology-based achromatic method, a same holographic material is subjected to exposure for three times by changing the recording angle respectively to obtain a grating structure for modulating the lights of red, green and blue colors respectively. Laser of 532 nm is used as a recording light source, a silver halide plate (a silver halide emulsion material) is selectively used as a holographic recording material; the method is simple, effective and practical and particularly has great economic significance to large-scale industrial production.

Description

technical field [0001] The invention relates to the field of multi-spectral imaging, in particular to an achromatic system based on triple exposure technology and its implementation method. Background technique [0002] The holographic waveguide grating uses the diffraction principle of the grating to pass the diffracted light through the principle of total reflection, making it enter the glass substrate to form a waveguide for propagation. s eyes. In this way, people can observe the distant scenery through the glass, and at the same time observe the image formed by the waveguide transmission. [0003] According to its physical meaning, holographic recording can be called the recording and reproduction of wavefront, which was proposed by British physicist Dennis Gable in 1948. Geber has proved theoretically and experimentally that the amplitude and phase information of the object light wave can be completely recorded by interfering with a reference light wave and the diffr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/44G02B27/00G02B5/18
CPCG02B27/44G02B5/1857G02B27/0043
Inventor 罗海标
Owner 佛山市智海星空科技有限公司
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