CN2778587Y - Optical grating formation - Google Patents

Abstract

The utility model relates to raster formation, particularly the raster applied to optical ornamental articles to change the wave length of a light source. The utility model is characterized in that a plurality of plate-shaped glass plate bodies are combined in parallel to form the disk-shaped raster; the light inlet surface of each plate enforces a piece of film which is composed of metal particles of different size and shapes; refractive light waves are filtered by utilizing the refraction of the particles, and meanwhile, light pass belts with intervals are enforced, the stable refraction frequency spectrum can be obtained by the light pass belts and the purposes of physical property resistance and staggered flashing and light emission of the optical ornamental articles can be achieved.

Description

Optical grating constitution

[technical field]

The utility model relates to a kind of optical grating constitution, refers to especially provide be applied to the light ornaments light source is made the grating of frequency spectrum changes, is used in the optical fiber biography electro-optical device with the rotary light performance of leading usually.

[background technology]

By general light ornaments, because it has wide range of applications, as the optical fiber ornaments used at decoration or toy product etc., in order to obtain the gorgeous active visual effect of photokinesis, and light source is done the color and luster conversion, the mode of its change is for utilizing a dishful of formula grating, make light wave and filter refraction through driving reply light stream projection end, with reach change photochromic

Former times is with the grating that is applied to ornaments or toy, is substrate with the plate body of plastic material all generally, and surface printing has the coating that does not wait colorant, do not wait colorant to change the wavelength of light source by this, to obtain the conversion of output light stream chroma.

As shown in Figure 1, this grating 1 main system is by the offset plate 10 of a plastics matter, being rotated drive by its axis hole 11 is interval between lamp body 2 and the fiber optic cable 21, make to filter the light inputting end 210 that fiber optic cable 21 is invested in the back with the light stream 20 that lamp body 2 is launched, in these offset plate 10 differentiations most block 1A are arranged, 1B, 1C, ..., and the colorant of each block institute coating and printing is a different colours, as red, blue, green etc., driven by hub setting via this axis hole 11, and grating 1 whole formation rotated, light stream 20 makes each block 1A relatively, 1B, 1C... do the filtration of alternative expression, provide fiber optic cable 21 to obtain not wait the light stream chroma conversion of color and luster.

Right because this grating 1 be with the material of plastics matter for it, accept the heat radiation effect of lamp body 2 after, easily this molecular structure is produced connecting tissue destruction.

Be easy to because of the heat radiation effect owing to colloid body quality again, make the aging or distortion of tissue fibers fracture, and the colorant of this coating is subjected to light stream concussion bump, intermolecular being easy to decomposed, and the electric field that the light stream projection is cut can change the molecule current potential of each material, and it is possible to destroy its institutional framework etc., with owing to constitute with plastics matter, therefore its light transmittance is not good, therefore is difficult to obtain the light wave of hope, and attenuate light lumen acutance.

Recently because the inter-industry competition fierceness, though the relevant comparatively cheap product of ornaments price, must use the material of low cost, but because the user is through for many years use experience, and promote the requirement of light stream aesthetic feeling and industrial technology progress recently, for the production cost of high-tech significantly reduces and can and a large amount of production, therefore this is the pointer of industrial progress, the lifting of material also is one of main chip of advanced country's inter-industry competition now.

[summary of the invention]

The purpose of this utility model is to provide a kind of optical grating constitution, refers to provide the grating that is applied to optical fiber ornaments transformation light source chroma especially.

It mainly is to be basic plate by most block shape silicon wafer glass plates, distinctly implement the metallic film at incidence surface, the film particle diameter of different plates is not for waiting, relatively and be combined into a grating, grating central authorities are provided with axis hole, the set film of plate forms the euphotic zone and the band that filters to stay white mode, and at interval parallel linear system relation is its principal character perpendicular to the wheel hub center.

This utility model utilizes the glass plate body of silicon wafer material, implement the refraction film of metal matter in incidence surface, the particle diameter system of this film is less than optical source wavelength length, and its particle diameter is implemented for the subregion that does not wait size, and makes and the adjacent plate of synthetic grating, distinctly acts on out not equiwavelength, good to obtain weatherability, refraction is stable, and by euphotic zone at interval, passes the staggered comparison of light stream formation light and shade and make.

The utility model is a purpose again, ties up between this plate formation grating butt joint and can be the overlapping shape, utilizes the interval of overlapping, and obtains another kind of light wave refraction.

[description of drawings]

Fig. 1 is the basic structural representation of light source conversion of general optical fiber ornaments.

Fig. 2 constitutes front view for the utility model plate.

Fig. 3 implements the metallic schematic diagram for the utility model plate.

Fig. 4 arranges front elevational schematic for the utility model euphotic zone of comparing.

Fig. 5 is that the plate of the utility model constitutes the grating schematic diagram to overlap.

The icon component symbol description is as follows;

Grating ..1 plate ..1A, 1B, 1C offset plate ..10

Axis hole ..11 lamp body ..2 light stream ..20

Fiber optic cable ..21 light inputting end ..210 grating ..3

Refraction plate ..3A, 3B, 3C, 3D glass plate body ..30

Metallic ..31 film ..310 wheel hub ..4

The block overlapping switch of effective workspace ..5 ..50

Band ..51 euphotic zone ..52 filters

[specific embodiment]

Relevant this practical new embodiment, at first see also shown in Figure 2, the grating 3 that this institute forms, be by the refraction plate 3A of majority, 3B, 3C, 3D etc. altogether structure in a center hub 4, grating 3 forms the rotation alternating action in the lamp body 2 of the 1st figure, to change its frequency of light wave.

Be to implement between each plate 3A, 3B, 3C, the 3D with the refractive index that does not wait, the mode that forms refraction is please shown in the 3rd figure, aforementioned plate is by a glass plate body 30 basically, in incidence surface with laser mode, evaporation, or plasma spray mode, be that the surface is formed with the metallic 31 of the long-pending knot in gap, as shown in Figure 3, the particle diameter system of this metallic 31 is less than the wavelength length of light wave, but so filtration fraction visible light, and invisible ultraviolet ray or infrared ray, its prerequisite can filter out the stronger radiated waves such as black light of destructiveness.

And in the part of visible light, its wavelength is big than metallic, gap between the relative particle is together less than wavelength, and the light wave refraction of expection filtration can be opened, providing the wavelength conducting of the film institute standard that is made of metallic 31 to wear penetrates, the film that is constituted by this metallic 31, and change the output wavelength of light stream 20, and obtain the color and luster conversion.

And as shown in Figure 2, the particle diameter of the particle 31 that each plate 3A, 3B, 3C, 3D are distinctly implemented is not for waiting, and is 10 μ m as the particle diameter of plate 3A, and 3B is 8 μ m, and 3C is 6 μ m, and 3D is different prescribed manners such as 5 μ m, reflects filtration and obtain different frequency spectrums.

The film 310 that constituted of this metallic 31 again, to plate mode person, then grow up in the mode of deriving, by this growth degree, and can change the gap length of wavelength-filtered, and can be by the energy of adsorption of 30 pairs of particles 31 of glass plate body, and make particle encounter energy size, and change the width in its gap, or to change different-grain diameter alloy mode of operation, the wavelength that all can obtain hope reflects.

Please consult shown in Figure 4 again, in order to allow each set plate 3A of grating 3,3B, 3C, 3D etc., can be with the active alternating action of light source in light inputting end 210, must be in the radius of effective workspace 5, plane with aforementioned formation refraction film, stay the white euphotic zone 52 that has, wherein etching part does not remain optical filtering and is with 51, it is the film 310 of script, and filter be with 51 and euphotic zone 52 between the two every size, for portion in the breadth of light inputting end 210 is formed with many intervals, so can utilize this euphotic zone 52 to carry out a large amount of printing opacities, comparison filters and is with after 51, can produce the contrast of light and shade, and system of portion is made as most spaced and parallel arrangements in the breadth of light inputting end 210, therefore produces the grid optical speed of upper frequency, use the raising light stream light that optical fiber obtained to speed, increase the photochromic vivaciously conversion fast of biography light.

Aforementioned optical filtering be with 51 with euphotic zone 52 be parallel to every, and its parallel linear system is perpendicular to the center of wheel hub 4, so after grating 3 driven, can obtain impartial cutting ratio, acts on optical fiber light inputting end 210.

Light inputting end 210 represented positions are that signal is cutd open in the cross section of optical fiber cable.

Via above-mentioned enforcement equiwavelength's plate not, further can overlap and constitute grating 3 as the embodiment of Fig. 5, and mainly be to be the center according to wheel hub 4, and with plate 3A, 3B, 3C, 3D is in the mode of side to folding, as at 3A, the dual side-edge of the below overlapping plate 3D of 3C, the angle θ that the overlaps refraction effect each other that to multiply each other, as with 3A, 3B, 3C, after four plates of 3D overlap and constitute, can additionally obtain four overlapping angle θ, and form eight kinds of functions that do not wait refraction, and the center is via wheel hub 4 hub settings, and the light source that acts on Fig. 1 is changeed by band afterwards, and can form the effect of eight kinds of light wave refractions, obtain more colorful degree conversion.

Claims (2)

1. optical grating constitution, it is characterized in that it mainly is is basic plate by most block shape silicon wafer glass plates, distinctly implement the metallic film at incidence surface, the film particle diameter of different plates is not for waiting, relatively and be combined into a grating, grating central authorities are provided with axis hole, and the set film of plate forms the euphotic zone and the band that filters to stay white mode, and at interval parallel linear system relation is perpendicular to the wheel hub center.

2. the optical grating constitution according to claim 1 is characterized by each plate side, further for overlapping.

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