Method for preparing graded-index material
A technology of graded refractive index and refractive index, which is applied in the field of preparation of graded refractive index materials, can solve problems such as non-adjustable and single optical properties, achieve effective integration, improve optical performance, and reduce production costs
Inactive Publication Date: 2015-06-03
SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI
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Problems solved by technology
[0004] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a method for preparing a graded-index material, which is used to solve the problem of single and non-adjustable optical properties of optical materials in the prior art
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[0022] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention.
[0023] Please refer to attached picture. It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be change...
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Abstract
The invention provides a method for preparing a graded-index material. The method comprises the following steps: providing a substrate; coating the surface of the substrate with a graded-index layer by a grazing angle coating or chemical corrosion method, wherein the graded-index layer is based on a traditional optical material, and the volume ratio of the material to a clearance in the structure is changed, so as to adjust the effective reflection rate of the graded-index layer. According to the method, the graded-index material is prepared by the grazing angle coating method and used for preparing a novel efficient optical structure; through adoption of the graded-index material, the novel optical structure is high in optical performance, and meanwhile, the optical structure can be effectively integrated with different underlayers or substrates; therefore, the production cost can be obviously reduced, the optical element of a device can be improved, and the application of the optical structure is promoted.
Description
technical field [0001] The invention relates to the field of material preparation and processing, in particular to a method for preparing a graded refractive index material. Background technique [0002] Optical materials are a general term for materials with certain optical properties and functions used in optical experiments and optical instruments. Optical materials include inorganic and organic compounds, mainly inorganic. According to its performance, it can be divided into two categories, namely, optical dielectric materials and optical functional materials. The optical medium material is a material that transmits light. The incident light will change the direction, phase and polarization state of the light after refraction and reflection, and the intensity and spectral composition of the light can also be changed through absorption or scattering. Optical materials are widely used in the industry, but since the optical properties of each material, especially the refr...
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Login to View More IPC IPC(8): G02B1/00G02B1/10G02B5/00
CPCG02B1/00G02B1/10G02B5/00
Inventor 奚衍罡陈小源李玉磊
Owner SHANGHAI ADVANCED RES INST CHINESE ACADEMY OF SCI