CN103558682B - Eight flap-type lobster eye lens - Google Patents
Eight flap-type lobster eye lens Download PDFInfo
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- CN103558682B CN103558682B CN201310485763.5A CN201310485763A CN103558682B CN 103558682 B CN103558682 B CN 103558682B CN 201310485763 A CN201310485763 A CN 201310485763A CN 103558682 B CN103558682 B CN 103558682B
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- eye lens
- lobster eye
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Abstract
Eight flap-type lobster eye lens, belong to optical element technology field, in order to reduce incident light by energy loss during lobster eye lens, improve the energy transmission efficiency of lobster eye bionics optics system, and then raising image quality, this lobster eye lens is made up of some micro-channel tubes, the positive quadrangular frustum pyramid shaped of micro-channel tubes to be cone apex angle be a, four isosceles trapezoid side inner walls of positive truncated rectangular pyramids are reflecting wall, the outer rim of the formation microchannel, four limits, bottom surface of positive truncated rectangular pyramids, the outer rim of each micro-channel tubes is positioned on the sphere that radius is R1, end face four limits of positive truncated rectangular pyramids form the inner edge of micro-channel tubes, the inner edge of each micro-channel tubes is positioned on the sphere of radius R 2, it is characterized in that, lattice in lobster eye lens is numbered (x according to coordinate, y), work as x, y forms four efficient regions when meeting following relational expression:
, n is lobster eye lens lobe number, n gets 8, other four regions of lobster eye lens is replaced to efficient region shape, is spliced to form eight flap-type lobster eye lens.
Description
Technical field
The present invention relates to eight flap-type lobster eye lens, belong to optical element technology field.
Background technology
Existing optical system is limited to single optical axis, causes the visual field of system limited, if increase field range, picture element can decline rapidly.How large as far as possible when not reducing picture element the visual field of magnifying optics be a difficult problem for optical field always.
Lobster eye utilizes principle of reflection imaging.The version of lobster eye is rectangle terrace with edge structure.After directional light incidence, reflex on focal plane through terrace with edge inwall.Such lobster eye structure has two important characteristics: one is that this lobster eye optical system comes from the vision system imitating lobster, the summary incidence reflection mirror of multiple passage is had to form, the Sphere symmetry of this structure determines that this system does not have specific optical axis, the focusing power gone up in any direction is all identical, can realize omnibearing visual field; Two is for any given point, and many passages participate in imaging and are by catoptric imaging, and this catoptric imaging is that full spectral coverage light wave converges in same picture point, picture can be made more bright and comprise more abundant information.According to above two kinds of characteristics of lobster eye, research has invented lobster eye lens.
As shown in Figure 1, lobster eye lens is made up of some micro-channel tubes, and each micro-channel tubes has respective optical axis.The positive quadrangular frustum pyramid shaped of micro-channel tubes to be cone apex angle be α, four isosceles trapezoid side inner walls of positive truncated rectangular pyramids are reflecting wall, the limit, four, bottom surface of positive truncated rectangular pyramids forms the outer rim of micro-channel tubes, the outer rim of each micro-channel tubes is positioned on the sphere that radius is r1, end face four limits of positive truncated rectangular pyramids form the inner edge of micro-channel tubes, and the inner edge of each micro-channel tubes is positioned on the sphere that radius is r2.Each micro-channel tubes axis is the radius of each orientation of same spheroid, pitch orientation, and the lobster eye lens that each micro-channel tubes is formed is a spheroid, and radius is r1, and certain spherical crown of this spheroid is also a kind of lobster eye lens, is called spherical crown lobster eye lens.Incident light is incident or imaging on image device after being reflected by reflecting wall directly.Lobster eye lens carries out optical transport by reflection, is imaged as real image, only has aberration on axle, does not have aberration, and visual field reaches 360 °.
In infrared imaging field, lobster eye optical system be not limited to traditional infrared optical material, stronger to the adaptive faculty of environment.The lobster eye system of refraction type more can meet X-ray catoptric imaging, has more wide purposes at medical domain.Compare with bionic system with traditional image-forming component, lobster eye lens has the feature of single structure, and structure is simple, compact, lightweight.
Incident light is weakened to some extent by energy after micro-channel tubes reflection in lobster eye lens, has had influence on the quality of imaging.The energy transmission efficiency how improving lobster eye lens is problem demanding prompt solution.
Summary of the invention
In order to reduce incident light by energy loss during lobster eye lens, improving the energy transmission efficiency of lobster eye bionics optics system, and then improving image quality, the present invention proposes a kind of novel eight flap-type lobster eye lens.
Eight flap-type lobster eye lens, lobster eye lens is made up of some micro-channel tubes, the positive quadrangular frustum pyramid shaped of micro-channel tubes to be cone apex angle be a, four isosceles trapezoid side inner walls of positive truncated rectangular pyramids are reflecting wall, the outer rim of the formation microchannel, four limits, bottom surface of positive truncated rectangular pyramids, the outer rim of each micro-channel tubes is positioned on the sphere that radius is R1, end face four limits of positive truncated rectangular pyramids form the inner edge of micro-channel tubes, the inner edge of each micro-channel tubes is positioned on the sphere that radius is R2, lattice in lobster eye lens is numbered (x according to coordinate, y), work as x, y forms four efficient regions when meeting following relational expression:
n is lobster eye lens lobe number; N gets 8, other four inefficient area of lobster eye lens is replaced to efficient region shape, is spliced to form eight flap-type lobster eye lens.
Efficient district lattice axis respectively with x, y-axis angle at 45 °, the lattice axis that other four inefficient area replace to efficient region shape respectively with x, y-axis overlaps.
The invention has the beneficial effects as follows: eight flap-type lobster eye lens of the present invention by experiment, examine and determine traditional lobster eye lens zones of different energy transfer efficiency, four inefficient area are replaced to efficient region shape, final design goes out eight flap-type lobster eye lens, eight flap-type lobster eye lens are compared and are significantly improve incident light energy transfer efficiency with traditional lobster eye lens, improve image quality.
Accompanying drawing explanation
Fig. 1 is existing lobster eye lens structural representation.
In Fig. 2, a is the lobster eye lens schematic diagram that the multiple microchannel of prior art is spliced into; B is the lobster eye lens efficient district design sketch that the multiple microchannel of prior art is spliced into.
Fig. 3 is the present invention eight flap-type lobster eye lens structural representation.
Fig. 4 is lobster eye lens energy profile on image planes region that the multiple microchannel of prior art is spliced into.
Fig. 5 is the present invention eight flap-type lobster eye lens energy profile on image planes region.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
Lobster eye lens is made up of some micro-channel tubes, the positive quadrangular frustum pyramid shaped of micro-channel tubes to be cone apex angle be a, four isosceles trapezoid side inner walls of positive truncated rectangular pyramids are reflecting wall 2, the outer rim of the formation microchannel, four limits, bottom surface of positive truncated rectangular pyramids, the outer rim of each micro-channel tubes is positioned on the sphere that radius is R1, end face four limits of positive truncated rectangular pyramids form the inner edge of micro-channel tubes, the inner edge of each micro-channel tubes is positioned on the sphere of radius R 2, as Fig. 2 a after each micro-channel tubes fits together, shown in b, drawn by experiment, micro-channel tubes energy transmission efficiency in figure near X-axis and Y-axis is minimum, at Y=X, with the micro-channel tubes energy transmission efficiency around these two lines of Y=-X is the highest and transfer efficiency is almost equal, lattice in lobster eye lens is numbered (x according to coordinate, y), work as x, y forms four efficient regions 1 when meeting following relational expression:
n is lobster eye lens lobe number; N gets 8.Other four inefficient area 2 of lobster eye lens are replaced to efficient region shape, is spliced to form eight flap-type lobster eye lens, as shown in Figure 3.
Based on above theory, for meeting higher energy transferring requirement, n can get the integral multiple of 8, can derive 16 lobes, 32 lobe lobster eyes etc.
The following describes the present invention eight flap-type lobster eye lens and derive the manufacturing process of structure.
Being numbered (x, y) according to coordinate by lattice in lobster eye system, working as x, is efficient region 1 when y meets following relational expression (1):
Can find out that efficient region profile is identical by formula (1), be now a collection of crystalline region of standard weight coming of new to meet a lattice region of formula (2) in first quartile.
Filling process: the crystal lattice of delimiting according to formula (2) and shape manufacture a collection of lattice region again.The lattice region of coming of new is spliced into eight flap-type lobster eye lens of the present invention, lattice tapered tip of will looking for novelty during splicing overlaps with true origin, and lattice central axis becomes with x-axis positive dirction respectively
(m=0,1,3 ... n-1, n are lobster eye lens lobe number).After assembled in former poor efficiency district part each little lattice fringe respectively with x, y-axis become
angle, known by experiment, now novel lobster eye lens efficiency reaches the highest.Can find out that poor efficiency district angle is the common multiple of efficient district angle according to formula (1) and formula (2), so can perfect laminating one after new lattice region is spliced on request.
For eight flap-type lobster eye lens, then working as x, is efficient region when y meets relational expression (3):
Produce a collection of new lattice region meeting relational expression (4), splice stylish lattice region axis and become with x-axis positive dirction respectively
(m=0,1 ... 7)
As shown in Figure 3, by assembled for eight new lattices fixing after, finished product i.e. eight flap-type lobster eye lens described in patent for this reason.Eight flap-type lobster eye lens utilize new high-level efficiency lattice region to replace former poor efficiency district, in former poor efficiency district part each little lattice fringe respectively with x, y-axis angle at 45 °.
As shown in Figure 4, be lobster eye lens energy profile on image planes region that the multiple microchannel of prior art is spliced into.Fig. 5 is the present invention eight flap-type lobster eye lens energy profile on image planes region.Contrast visible, the relatively existing lobster eye lens energy transmission efficiency of eight flap-type lobster eye lens energy transmission efficiencies significantly improves.
Claims (3)
1. eight flap-type lobster eye lens, lobster eye lens is made up of some micro-channel tubes, the positive quadrangular frustum pyramid shaped of micro-channel tubes to be cone apex angle be a, four isosceles trapezoid side inner walls of positive truncated rectangular pyramids are reflecting wall, the outer rim of the formation microchannel, four limits, bottom surface of positive truncated rectangular pyramids, and the outer rim of each micro-channel tubes is positioned on the sphere that radius is R1, end face four limits of positive truncated rectangular pyramids form the inner edge of micro-channel tubes, the inner edge of each micro-channel tubes is positioned on the sphere that radius is R2, it is characterized in that
Lattice in lobster eye lens is numbered (x, y) according to coordinate, works as x, when y meets following relational expression, form four efficient regions:
n is lobster eye lens lobe number; N gets 8, other four inefficient area of lobster eye lens is replaced to efficient region shape, is spliced to form eight flap-type lobster eye lens.
2. eight flap-type lobster eye lens according to claim 1, is characterized in that, efficient district lattice axis respectively with x, y-axis angle at 45 °, the lattice axis that other four inefficient area replace to efficient region shape respectively with x, y-axis overlaps.
3. eight flap-type lobster eye lens according to claim 1, is characterized in that, carry out each lattice central axis when eight lobe lobster eye lens splice and become with x-axis positive dirction
m=0,1,2,3 ... n-1, n are lobster eye lens lobe number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485763.5A CN103558682B (en) | 2013-10-16 | 2013-10-16 | Eight flap-type lobster eye lens |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485763.5A CN103558682B (en) | 2013-10-16 | 2013-10-16 | Eight flap-type lobster eye lens |
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| CN103558682A CN103558682A (en) | 2014-02-05 |
| CN103558682B true CN103558682B (en) | 2016-04-20 |
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| CN201310485763.5A Expired - Fee Related CN103558682B (en) | 2013-10-16 | 2013-10-16 | Eight flap-type lobster eye lens |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105301680B (en) * | 2015-09-25 | 2018-01-23 | 广东欧珀移动通信有限公司 | Eyeglass and mobile terminal |
| CN110275294A (en) * | 2019-06-27 | 2019-09-24 | 长春理工大学 | The lobster eye lens of Archimedes's bipitch type arrangement mode |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7078700B2 (en) * | 2004-06-30 | 2006-07-18 | Intel Corporation | Optics for extreme ultraviolet lithography |
| JP4025779B2 (en) * | 2005-01-14 | 2007-12-26 | 独立行政法人 宇宙航空研究開発機構 | X-ray concentrator |
| US7231017B2 (en) * | 2005-07-27 | 2007-06-12 | Physical Optics Corporation | Lobster eye X-ray imaging system and method of fabrication thereof |
| CN101738729B (en) * | 2009-12-11 | 2011-08-17 | 长春理工大学 | Lightwave-based lobster eye lens |
| US8210164B2 (en) * | 2011-09-23 | 2012-07-03 | Edward Herniak | Quasi-parabolic solar concentrator and method |
| CN102681169B (en) * | 2012-05-16 | 2013-12-25 | 长春理工大学 | Lobster eye lens with reflection barrier being revolution surface formed by planar circular-arc bus |
| CN203573020U (en) * | 2013-10-16 | 2014-04-30 | 长春理工大学 | Eight-part lobster eye lens |
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