CN110376669A - A kind of cube Amici prism - Google Patents
A kind of cube Amici prism Download PDFInfo
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- CN110376669A CN110376669A CN201810331337.9A CN201810331337A CN110376669A CN 110376669 A CN110376669 A CN 110376669A CN 201810331337 A CN201810331337 A CN 201810331337A CN 110376669 A CN110376669 A CN 110376669A
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- 239000000463 material Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 3
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- 230000003287 optical effect Effects 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 238000002310 reflectometry Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 102100025976 Adenosine deaminase 2 Human genes 0.000 description 1
- 102100032404 Cholinesterase Human genes 0.000 description 1
- 101000720051 Homo sapiens Adenosine deaminase 2 Proteins 0.000 description 1
- 101000943274 Homo sapiens Cholinesterase Proteins 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to a kind of cube Amici prisms, which is formed by several sub- prism cementings of different shapes of same material, if being internally provided with dried joint surface, and cemented surface in the same plane combines to form reflecting surface.Most 5 tunnel light splitting or light combination operation may be implemented in the present invention, suitable for more complicated optical system, also can bring more thinkings for optical design.
Description
Technical field
The present invention relates to a kind of prisms, more particularly to a kind of cube Amici prism.
Background technique
Light splitting is carried out to Ray Of Light using prism or light combination is carried out to multi beam light, is common hand in current optics
Section.And the main body being divided is to form the surface membrane system of various light splitting functions, effective load of the block prism as various function films
Body.It is divided using prism, maximum advantage is to guarantee that all directions light beam after light splitting has aplanatism.
Two roads and the light splitting of three tunnels and light combination operation may be implemented in a current cube Amici prism.Two road Amici prisms have two panels
It splits shape prism gluing to form, cemented surface plated film forms light splitting surface.Three road Amici prisms are also X prism, dichroic Amici prism,
It is formed by four pieces of prism gluings, forms two light splitting surfaces that X-shaped intersects, the light splitting of three tunnel of RGB may be implemented or closed
Light, the three coloured light fusion being widely used in projector.
Summary of the invention
Realize what more more complicated light splitting or light combination operated technical problem to be solved by the invention is to provide a kind of
Cube Amici prism.
To solve the above problems, one kind cube Amici prism of the present invention, it is characterised in that: the prism is by same material
Several sub- prism cementings of different shapes of material form, if being internally provided with dried joint surface, and cemented surface in the same plane
Combination forms reflecting surface.
The sub- prism is made of tetragonous awl prism, special-shaped rib prism and total 14 pieces of trigone awl prism.
The tetragonous awl prism is 2 pieces.
The abnormal shape rib prism is 4 pieces.
The trigone awl prism is 8 pieces.
The reflecting surface is 4.
Compared with the prior art, the present invention has the following advantages:
Then the present invention plates optical function on specific surface by the way that block prism is further divided into 14 pieces of small prisms
Film, one piece of block prism of formation glued together again in sequence by 14 pieces of sub- prisms again, thus may be implemented later
Most 5 tunnel light splitting or light combination operation.The Amici prism of optimization is redesigned, structure becomes complicated but can be combined into richer
Rich function also can bring more thinkings suitable for more complicated optical system for optical design.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is tetragonous awl prism geometries schematic diagram of the invention.
Fig. 2 is special-shaped rib prism geometries schematic diagram of the invention.
Fig. 3 is trigone awl prism geometries schematic diagram of the invention.
Fig. 4 is syntagmatic schematic diagram of the present invention.
Fig. 5 is perspective view of the present invention.
Fig. 6 is effect picture of the present invention.
Fig. 7 is that syntagmatic of the present invention is schemed in detail.
Fig. 8 is schematic diagram of the present invention.
Fig. 9 is the optical schematic diagram that the present invention is divided.
Figure 10 is the optical schematic diagram of light combination of the present invention.
In figure: 001-tetragonous awl prism；002-special-shaped rib prism；003-trigone awl prism.
Specific embodiment
Be cube structure as shown in figure 8, a kind of cube Amici prism, the prism by same material several not similar shapes
The sub- prism cementing of shape forms, if being internally provided with dried joint surface, and cemented surface in the same plane combines to form reflecting surface.
Reflecting surface is 4, a branch of incident ray can be divided into five beams and gone out, or five beam incident rays are synthesized a branch of injection.
Wherein: sub- prism is 14 pieces total by tetragonous awl prism 001, special-shaped rib prism 002 and trigone awl prism 003
It constitutes.
Tetragonous awl prism 001 is 2 pieces.Special-shaped rib prism 002 is 4 pieces.Trigone awl prism 003 is 8 pieces.
As shown in Figure 1, tetragonous awl prism 001, there is 5 vertex A1、B1、C1、D1And E1.Bottom surface is by vertex A1、B1、C1With
D1A square is formed, the rib that side length is equal to entire cube prism is long.Remaining four faces are by four congruent isosceles
Triangle sets are at being face A respectively1B1E1, face B1C1 E1, face C1D1 E1With face A1D1 E1.Dihedral angle ∠ E1- A1B1- D1 C1=∠
E1- A1D1- B1 C1=∠E1- D1C1- A1 B1=∠E1- B1C1- A1D1=45°。
As shown in Fig. 2, special-shaped rib prism 002, includes five six, vertex planar deltas.Face A2B2E2With face A2D2E2It is
Two isosceles right triangles, right angle are respectively ∠ A2B2E2With ∠ A2D2E2.Face intersection is A2E2, length is equal to block prism
Rib is long, and dihedral angle is 90 °.Remaining four faces are made of four congruent right angled triangles, respectively △ A2B2C2、△A2C2D2、
△E2B2C2With △ E2C2D2, △ A2B2C2Right-angle side be respectively A2B2And B2C2, ∠ B2A2C2≈35.26°。△A2B2C2With △
A2C2D2Bevel edge A altogether2C2, with △ E2B2C2Right-angle side B altogether2C2；△E2C2D2With △ E2B2C2Bevel edge C altogether2E2, with △ A2C2D2It is straight altogether
Arm of angle C2D2。
As shown in figure 3, trigone awl prism 003, by four vertex A3、B3、C3And E3Composition is flat comprising four triangles
Face.Bottom surface △ A3B3C3For isosceles triangle, length A3B3=A3C3, ∠ A3C3B3=∠A3B3C3≈54.74°。△A3E3C3With △
B3E3A3Congruence is right angled triangle, and right-angle side is respectively A3E3、E3C3And E3B3。∠A3C3E3=A3B3E3≈35.26°。△
B3C3E3For isosceles right triangle, B3C3Length be equal to block prism rib it is long.Face A3E3C3, face B3E3A3With face B3C3E3Phase
It is mutually vertical.
The syntagmatic of cube Amici prism as shown in figure 4, can be divided into five layers from top to bottom.First layer prism group (1.1)
Comprising 1 piece of tetragonous awl prism 001, followed by comprising 4 pieces of special-shaped rib prisms 002 second layer prism group (2.1,2.2,
2.3,2.4), third layer prism group (3.1,3.2,3.3,3.4) includes 4 pieces of trigone awl prisms 003, the 4th layer of prism group
It (4.1,4.2,4.3,4.4) include 1 piece of rectangular pyramid comprising 4 pieces of special-shaped rib prisms 002 and last layer 5 prism group (5.1)
Sub- prism 001.Wherein glued portions include that 48 planar deltas are divided into 24 groups, glued together in pairs, formation
Volume rendering effect as shown in Figure 5, final effect are as shown in Figure 6.
In order to further be explained in detail to the present invention, by tetragonous awl prism 001, special-shaped rib prism 002 and trigone
003 3 kinds of awl prism total 14 pieces of sub- prisms are splitted along some respective vertex, forming face cross-sectional view, and by all faces
Number, every two face is divided into one group of progress gluing, as shown in fig. 7,24 groups of cemented surfaces are respectively as follows: the face face 2- 34, the face face 3- 38, face
The face 4- 45, the face face 5- 42, the face face 49- 31, the face face 34- 46, the face face 45- 13, the face face 16- 38, the face face 37- 25, the face face 28- 42,
The face face 41- 19, the face face 22- 50, the face face 58- 20, the face face 21- 65, the face face 66- 32, the face face 33- 61, the face face 62- 14, the face face 15-
53, the face face 54- 26, the face face 27- 57, the face face 9- 63, the face face 10- 59, the face face 7- 51, the face face 8- 55.
Glued good prism includes the X-shaped reflectings surface of 2 sets intersections, add up to 4 split shape face reflecting surface (face ABGH, face DCFE,
Face ADGF and face BCHE), 4 reflectings surface are formed by gluing: by face 13, face 35, face 28, face 58, face 9, face 61 and face
45, face 5, face 42, face 20, face 63, first reflecting surface of the glued formation in face 33；By face 34, face 47, face 19, face 57, face 7, face 62 with
Face 46, face 3, face 41, face 27, face 51, second reflecting surface of the glued formation in face 14；Face 25, face 39, face 22, face 66, face 10, face 53
With face 37, face 2, face 50, face 32, face 59, the glued formation third reflecting surface in face 15；By face 16, face 43, face 31, face 65, face 8, face
54 and face 38, face 4, face 49, face 21, face 55, face 26 is glued forms the 4th reflecting surface.Others, face 1 form standard cube prism
Upper surface forms the first optics plane of incidence；Face 40, face 24, face 17, face 56 form the first side surface of standard cube prism and form the
One optical exit face；Face 48, face 18, face 29, face 64 form the second side surface of standard cube prism and form the second exit facet；Face
64, face 11, face 30, face 60 form standard cube prism third side surface and form third optical exit face；Face 36, face 12, face 23,
Face 52 forms the 4th side surface of standard cube prism and forms the 4th optical exit face；The bottom surface shape of the composition standard cube prism of face 6
At the 5th optical exit face.Combination of the above forms light splitting block prism, a branch of incident light can be divided into most five beams light, by standing
It projects on five surfaces of cube.By the plane of incidence and reflecting surface role exchange, then light combination block prism is formed, most multipotency will be by five
The light of direction incidence synthesizes Ray Of Light, and is projected by exit facet.
In the present embodiment, the first reflecting surface plates blue optical reflectance coating, central wavelength 450nm, bandwidth 30nm, incidence angle
It is 45 °, maximum reflectivity > 90%；Second reflecting surface plates green reflectance coating, central wavelength 530nm, bandwidth 30nm, and incidence angle is
45 °, maximum reflectivity > 90%；Third reflecting surface plates yellow reflectance coating, central wavelength 590nm, bandwidth 30nm, and incidence angle is 45 °,
Maximum reflectivity > 90%；4th reflecting surface plates red reflex film, central wavelength 650nm, bandwidth 50nm, and incidence angle is 45 °, maximum
Reflectivity > 90%.Incident light is 6500K colour temperature standard sources, by the incidence of first plane of incidence.5th exit face white light, it is other
Four exit facets are emitted blue and green light, yellow light and feux rouges respectively.Standard cube prism in the present embodiment can be used for corresponding to
The light of wavelength carries out light combination operation.Fig. 9, Figure 10 give the optical schematic diagram of this prismatic decomposition or light combination.Arrow direction
Indicate the direction of propagation of light, Ray Of Light is divided into five beams and synthesized five beam light a branch of two figures by standard respectively.
Claims (6)
1. a kind of cube Amici prism, it is characterised in that: the prism by same material several sub- prism cementings of different shapes
It forms, if being internally provided with dried joint surface, and cemented surface in the same plane combines to form reflecting surface.
2. one kind cube Amici prism as described in claim 1, it is characterised in that: the sub- prism is by tetragonous awl prism
(001), special-shaped rib prism (002) and the total 14 pieces of compositions of trigone awl prism (003).
3. one kind cube Amici prism as claimed in claim 2, it is characterised in that: the tetragonous awl prism (001) is 2
Block.
4. one kind cube Amici prism as claimed in claim 2, it is characterised in that: the abnormal shape rib prism (002) is 4
Block.
5. one kind cube Amici prism as claimed in claim 2, it is characterised in that: the trigone awl prism (003) is 8
Block.
6. one kind cube Amici prism as described in claim 1, it is characterised in that: the reflecting surface is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331337.9A CN110376669A (en) | 2018-04-13 | 2018-04-13 | A kind of cube Amici prism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810331337.9A CN110376669A (en) | 2018-04-13 | 2018-04-13 | A kind of cube Amici prism |
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| Publication Number | Publication Date |
|---|---|
| CN110376669A true CN110376669A (en) | 2019-10-25 |
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| CN201810331337.9A Pending CN110376669A (en) | 2018-04-13 | 2018-04-13 | A kind of cube Amici prism |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2643158A1 (en) * | 1989-02-14 | 1990-08-17 | Malifaud Pierre | Device for the projection of coloured images and/or the recording of images from coloured objects, especially in the fields of video, cinema and photography, and method of manufacturing the device |
| US5181054A (en) * | 1990-08-10 | 1993-01-19 | Thomson-Csf | Device for the projection of images using two orthogonal components of light polarization |
| JPH10148774A (en) * | 1996-11-18 | 1998-06-02 | Minolta Co Ltd | Multi-beam optical unit |
| WO2005114987A1 (en) * | 2004-05-22 | 2005-12-01 | Diehl Bgt Defence Gmbh & Co. Kg | Device for detecting an object scene |
| CN1779504A (en) * | 2004-11-27 | 2006-05-31 | 三星电子株式会社 | Illumination unit and projection type image display apparatus employing the same |
| CN101191903A (en) * | 2006-11-29 | 2008-06-04 | 上海飞锐光电科技有限公司 | Three-color light color-combination combined prism with high high-reflection film |
| CN208367250U (en) * | 2018-04-13 | 2019-01-11 | 甘肃智呈网络科技有限公司 | A kind of cube Amici prism |
-
2018
- 2018-04-13 CN CN201810331337.9A patent/CN110376669A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2643158A1 (en) * | 1989-02-14 | 1990-08-17 | Malifaud Pierre | Device for the projection of coloured images and/or the recording of images from coloured objects, especially in the fields of video, cinema and photography, and method of manufacturing the device |
| US5181054A (en) * | 1990-08-10 | 1993-01-19 | Thomson-Csf | Device for the projection of images using two orthogonal components of light polarization |
| JPH10148774A (en) * | 1996-11-18 | 1998-06-02 | Minolta Co Ltd | Multi-beam optical unit |
| WO2005114987A1 (en) * | 2004-05-22 | 2005-12-01 | Diehl Bgt Defence Gmbh & Co. Kg | Device for detecting an object scene |
| CN1779504A (en) * | 2004-11-27 | 2006-05-31 | 三星电子株式会社 | Illumination unit and projection type image display apparatus employing the same |
| CN101191903A (en) * | 2006-11-29 | 2008-06-04 | 上海飞锐光电科技有限公司 | Three-color light color-combination combined prism with high high-reflection film |
| CN208367250U (en) * | 2018-04-13 | 2019-01-11 | 甘肃智呈网络科技有限公司 | A kind of cube Amici prism |
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