CN110381232A - Integral type multispectral imaging photographic device - Google Patents
Integral type multispectral imaging photographic device Download PDFInfo
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- CN110381232A CN110381232A CN201810335220.8A CN201810335220A CN110381232A CN 110381232 A CN110381232 A CN 110381232A CN 201810335220 A CN201810335220 A CN 201810335220A CN 110381232 A CN110381232 A CN 110381232A
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Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/02—Bodies
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B33/00—Colour photography, other than mere exposure or projection of a colour film
- G03B33/10—Simultaneous recording or projection
- G03B33/12—Simultaneous recording or projection using beam-splitting or beam-combining systems, e.g. dichroic mirrors
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Abstract
The present invention relates to a kind of integral type multispectral imaging photographic devices, including mechanical hull, positioned at the light acquisition window, light-dividing device and several optical sensors of described mechanical hull one end, it is characterised in that: the light-dividing device is located at the rear of the light acquisition window；Several optical imaging devices are equipped in the mechanical hull.Structure of the invention is compact, occupies little space, and has the characteristics that realize multispectral imaging under the premise of guaranteeing that imaging is with uniformity.
Description
Technical field
The present invention relates to field of cameras more particularly to integral type multispectral imaging photographic devices.
Background technique
The general camera of optical imaging apparatus on the market is equipped with an optical imaging device and carries out for a certain specific band
Imaging: the monitoring camera being imaged such as visible light and near infrared band；The thermal imaging system of far infrared imagery；The various radars of long wave,
Astronomical telescope；X-ray fluoroscopy instrument of shortwave etc..The light of different wave length often carries different information, by these light
Line distinguishes according to wavelength and carries out imaging analysis one by one, extremely has practical significance.
Currently, many schemes attempt to design it is a kind of can be on the same device simultaneously for multiple spectral bands progress light
Study picture, especially space industry, it is desirable that more functions can be able to achieve in limited volume and load range.Civilian
Field, multispectral imaging are also widely used, such as visible light and thermal imaging Hybrid camera that forest fire protection is practical, monitoring neck
Fog penetrating function is realized in domain visible light and near-infrared cooperation.It is all these application be substantially it is a kind of by several in different spectral bands
The camera of imaging is put into realization inside a camera, but its compactedness, imaging consistency and the mutual degree of association are not
It is highly desirable.
Summary of the invention
Technical problem to be solved by the invention is to provide one kind guarantee imaging it is with uniformity under the premise of realize it is more
Light spectrum image-forming, while guaranteeing integral type multispectral imaging photographic device that is compact-sized, occupying little space.
To solve the above problems, integral type multispectral imaging photographic device of the present invention, including mechanical hull, it is located at
The light acquisition window, light-dividing device and several optical sensors of described mechanical hull one end, it is characterised in that: the light splitting dress
Setting in the rear of the light acquisition window；Several optical imaging devices are equipped in the mechanical hull.
The light-dividing device is equipped with the optical imaging device outside each surface in addition to the plane of incidence.
The light-dividing device includes one piece of cube Amici prism as made of the sub- prism cementing of muti-piece, is coated on cemented surface
Film layer.
The light-dividing device includes two pieces of cubes of Amici prisms；Cube Amici prism described in every piece is by the sub- prism cementing of muti-piece
It forms, film layer is coated on cemented surface.
Cube Amici prism described in two pieces is along light acquisition window primary optical axis sequential, and the first Amici prism and second
Cube Amici prism is formed by four pieces of sub- prism cementings and has that there are four cemented surfaces；Film layer, and four are coated on the cemented surface
A cemented surface two one group of formation, two reflectings surface.
The light-dividing device includes one piece of cube of Amici prism, this cube of Amici prism is by two pieces of sub- prism cementings into simultaneously
With a cemented surface；The film layer to form reflecting surface is coated on the cemented surface.
The light-dividing device includes one piece of cube of Amici prism, this cube of Amici prism is by four pieces of sub- prism cementings into simultaneously
There are four cemented surfaces for tool；Film layer, and four cemented surfaces, two one group of formation, two reflectings surface are coated on the cemented surface.
Compared with the prior art, the present invention has the following advantages:
1, present invention employs the beam splitting systems of a set of block prism, and block prism naturally has structure simple, high degree of symmetry
Feature.Realize that so this needs complicated optical structure to be just able to achieve in the beam splitting system that one or more simple prism forms
It is divided work, the complexity of system can be substantially reduced.Meanwhile the symmetry of height can also allow structure to become compact, efficient.
In addition, the symmetry of height is but also the repeatable design of structure becomes simply, as long as according to structural principle, on symmetry direction
New construction can be arbitrarily derived from, similar to shape of dividing mathematically, more complicated system is allowed in this way and is designed to possibility.And lead to
Structure derivation is crossed, what beam splitting system can be done is bigger, and use scope becomes wider.
2, for the present invention due to only one optics incident window of whole system, all light is all from same Ray Of Light point
Light obtain, that is to say, that the imaging of each imaging moiety have high consistency, to several images of the shooting of same object without
Need to post-process both can perfectly be overlapped.
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 1 schematic diagram of the embodiment of the present invention.
Fig. 2 is 2 schematic diagram of the embodiment of the present invention.
Fig. 3 is 3 schematic diagram of the embodiment of the present invention.
Fig. 4 is 4 main view of the embodiment of the present invention.
Fig. 5 is 4 top view of the embodiment of the present invention.
Fig. 6 is 4 perspective view of the embodiment of the present invention.
Fig. 7 is 4 Amici prism partial schematic diagram of the embodiment of the present invention.
Fig. 8 is that the embodiment of the present invention 4 is divided schematic diagram.
In figure: 001-infrared light；002-visible light；003-ultraviolet light；004-blue light；005-feux rouges；006-is green
Light；101-light acquisition windows；102-mechanical hulls；103-light-dividing devices；1031-the first Amici prism；1032-the
Two Amici prisms；1033-right-angle prisms I；1034-right-angle prisms II；104-third optical imaging devices；1042-thirds
Lens set；1041-third eyeglass shells；105-the first eyeglass shell；106-the first lens set；107-the first optical imagery
Device；1072-the second optical imaging device；1073-third optical imaging devices；1074-the four optical imaging device；
1075-the five optical imaging device；108-the second lens set；109-the second lens set；112-gaskets；201-is incident
Face；2012 second planes of incidence；202-cemented surfaces；2021-the second cemented surface；2023-third cemented surfaces；2024-the four glue
Conjunction face；203-bottom edge exit facets；204-side exit facets；205-second side exit facets；211-third side exit facets；
212-the second bottom edge exit facet；213-the four side exit facet；301-the first optical sensor；3010-third optics connect
Receiving apparatus；3011-third optical sensors；3012-third IC apparatus；302-the first IC apparatus；
303-the first optical focus；304-the second optical sensor；305-the second IC apparatus；306-the second optics is burnt
Point；331-the first optical receiver assembly；332-the second optical receiver assembly；333-third optical receiver assemblies；334-the
Four optical receiver assemblies；335-the five optical receiver assembly.
Specific embodiment
Integral type multispectral imaging photographic device, including mechanical hull 102, the light positioned at described 102 one end of mechanical hull
Line acquisition window 101, light-dividing device 103 and several optical sensors.After light-dividing device 103 is located at light acquisition window 101
Side, incident ray are directly entered light-dividing device 103 by light acquisition window 101.Be equipped in mechanical hull 102 several optics at
As device, incident ray, which is split after 103 light-splitting processing of device, to be formed by several Shu Ziguang lines and is filled respectively by optical imagery
Focal imaging is set on different optical receiver assemblies.
Wherein: light-dividing device 103 is equipped with the optical imaging device outside each surface in addition to the plane of incidence, is used for
Incident ray is split after device light-splitting processing and is formed by several Shu Ziguang lines focal imaging connects in different optics respectively
On receiving apparatus.
Light-dividing device 103 includes one piece of cube Amici prism as made of the sub- prism cementing of muti-piece, is coated on cemented surface
Film layer, for reflecting the light of specific wavelength.
For embodiment 1 as shown in Figure 1, light-dividing device 103 includes one piece of cube of Amici prism, this cube of Amici prism can be by two
Block prism cementing forms, and film layer is coated on cemented surface, for reflecting the light of specific wavelength；Cube Amici prism can also be by
Four pieces of sub- prism cementings form, and tool is there are four cemented surface, the glued planes of four one group of formation two of cemented surface two, after plated film at
For reflecting surface, reflecting surface is used to reflect the light of specific wavelength, and incident ray is divided into three beams sub-light line by cube Amici prism.It is vertical
Square Amici prism can also be formed by several pieces of sub- prism cementings, have several cemented surfaces, the cemented surface shape on same plane
At a glued plane, become reflecting surface after plated film, reflecting surface is used to reflect the light of specific wavelength, and cube Amici prism will enter
It penetrates light and is divided into five beam sub-light lines.
Incident ray enters light-dividing device 103, is divided into two beam sub-light lines according to wavelength, then by two orthogonal arrangement light
It learns imaging system to be imaged respectively, forms the double light spectrum image-forming photographic devices of simplest integral type.
Light acquisition window 101 is formed using high light transmission glass in Fig. 1, and anti-reflection film and protecting film are plated in surface, is mentioned simultaneously
For the front side protective of photographic device.Light acquisition window 101 and mechanical hull 102 fasten, while adding gasket 112, are used for
The functions such as sealing, waterproof and dustproof.
Light-dividing device 103 uses standard cube Amici prism, and the prism is by right-angle prism I 1033, right-angle prism II 1034
Gluing forms, and is formed simultaneously cemented surface 202.Cemented surface 202 is coated with reflective infrared cutoff optical thin film, which is existing skill
Art, the major function of film are as follows: wavelength 700nm wavelength light below is high thoroughly, and wavelength 700nm is anti-with the light of glazing
It penetrates, the upper surface of light-dividing device 103 is the plane of incidence 201 of beam splitting system；Cemented surface 202 is the reflecting surface of light-dividing device 103, glue
Conjunction face 202 is in just 45 ° of angles with the plane of incidence 201；The side outgoing of the side of light-dividing device 103 and bottom surface composition beam splitting system
Face 204 and bottom edge exit facet 203.
Its working method for being divided part are as follows: incident light is by visible light 002(spectral region 400nm ~ 700nm) and infrared light
001(spectral region 700nm ~ 1100nm) two wave band compositions, the plane of incidence 201 is reached by light acquisition window 101 and enters light splitting
Device 103.It is divided into two beams on 202 surface of cemented surface, wherein 002 part of visible light directly transmits, and passes through bottom edge exit facet
203 project；And infrared light 001 is then reflected with primary optical axis in 90 °, and is projected by side exit facet 204.
Its optical imaging moieties includes two parts, respectively corresponds to the first optics of 203 emergent ray of bottom edge exit facet
Imaging device, it includes the first lens sets 106 and the first eyeglass shell 105；The second of 204 emergent ray of respective side exit facet
Optical imaging device, it includes the second lens sets 108 and the second lens set 109.
In the present embodiment also include two sets of optical receiver assemblies, optical receiver assembly be arranged at corresponding optics at
It is the of corresponding first optical imaging device respectively as device rear, and the light shaft coaxle of corresponding optical imaging device
One optical receiver assembly, it to be color image sensor that it includes the first optical sensors 301, is filled by the first integrated circuit
302 settings are set in photographic device；Second optical sensor 304 of corresponding second optical imaging device, passes for black white image
Sensor is arranged in photographic device by the second IC apparatus 305；The position of two sensors is made by rationally designing
First optical focus 303 and the second optical focus 306 are respectively fallen on its sensitized lithography.
Above embodiments give a kind of simplest application example of integral type multispectral imaging photographic device, utilize one piece
Incident light is divided into two beams according to spectrum by block prism, and is imaged respectively, can be obtained the double light spectrum image-forming camera shootings of an integral type
Machine.
Embodiment 2 is as shown in Fig. 2, 101 part of light acquisition window is identical as Fig. 1, and light-dividing device 103 uses one piece of standard
Cube dichroic prism, be referred to as X prism.It is formed by four pieces of congruent right angle prism gluings, four cemented surfaces
Composition two crossing planes in X-shaped distribution are the cemented surface 202 and the second cemented surface 2021 in figure respectively.In cemented surface 202
Upper plating infrared external reflection film layer plates ultraviolet reflectance film layer in the second cemented surface 2021.The upper surface composition light splitting dress of dichroic prism
The plane of incidence 201 set；Cemented surface 202 and the second cemented surface 2021 composition light-dividing device reflecting surface, two cemented surfaces with enter
Face 201 is penetrated in 45 ° of angles；The exit facet of two sides of block prism and bottom surface composition beam splitting system, side exit facet
204, second side exit facet 205 and bottom edge exit facet 203.
When including ultraviolet light 003(spectral region < 400nm), visible light 002(spectral region 400nm ~ 700nm) and it is infrared
Light 001(spectral region 700nm ~ 1100nm) mixed light by the plane of incidence 201 enter light-dividing device 103 after, 003 quilt of ultraviolet light
Second cemented surface 2021 reflexes to the injection of second side exit facet 205 in 90 °；Visible light 002 is directed through cemented surface 202 and
Two reflectings surface of cemented surface 2,021 two, are projected by bottom edge exit facet 203；Infrared light 001 is then glued face 202 and reflexes in 90 °
Side exit facet 204 projects.So far, the entire incident ray system that is split according to wavelength is divided into three beams, and by cube its
In three faces project.
In the present embodiment, since incident light is divided into three beams, it is therefore desirable to which three sets of optical imaging devices are respectively to three
Beam light is imaged one by one.Every set optical imaging device includes a set of optical mirror slip group and eyeglass shell, eyeglass shell packet
Fixation device and conditioning optics containing eyeglass.Third optical imaging device 104 includes third lens set 1042 and third mirror
Piece shell 1041, corresponding infrared light 001 is focused, and third optical receiver assembly 3010 is arranged, and includes third optical sensing
Device 3011 and third IC apparatus 3012, third optical sensor 3011 is identical as the second optical sensor 304, is black and white
Imaging sensor cooperates third optical imaging device, realizes black and white imaging for receiving infrared light 001.
First optical imaging device includes the first lens set 106, corresponding visible light 002, and the first optical sensor is arranged
301, cooperate the first optical imaging device, is embodied as colour imaging for receiving visible light 002；Second optical imaging device includes
Second lens set 109, corresponding ultraviolet light 003, and the second optical sensor 304 is set, the second optical imaging device of cooperation receives
Ultraviolet light 003 realizes black and white imaging；Each optical receiver assembly includes corresponding wavelength light sensor and integrated circuit.
In the present embodiment, incident ray is divided by spectrum using the dichroic prism of one piece of special designing (X prism)
At three beams, three light spectrum image-formings had both been may be implemented in three optical sensors of arranging in pairs or groups.
Embodiment 3 as shown in figure 3, light acquisition window 101 still using high light transmission glass form, surface plate anti-reflection film with
Protecting film.101 mainly as light acquisition window, while providing front side protective function.The machinery of optical glass lower section and device
Shell 102 fastens, and combines Seal Design, water proof and dust proof.
The place different from Fig. 2 is that light-dividing device 103 includes two pieces of cubes of dichroic prisms, is the first light splitting rib respectively
Mirror 1031 and the second Amici prism 1032.Every piece cube of dichroic Amici prism it is glued by 4 pieces of congruent right angle prisms and
At forming mutually orthogonal cemented surface.As shown in the figure: the first Amici prism 1031 includes cemented surface 202, the second cemented surface
2021；Second Amici prism packet, 1032 cemented surface containing third 2023, the 4th cemented surface 2024；Wherein cemented surface 202 plates ultraviolet light
Reflectance coating；Second cemented surface 2021 plates infrared light reflecting film；Third cemented surface 2023 plates blue reflectance coating；4th cemented surface 2024
Plate green reflectance coating；Entire light-dividing device includes two planes of incidence, is the plane of incidence on the first Amici prism 1031 respectively
201 and second plane of incidence 2012 on the second Amici prism 1032；It is to be located at the first light splitting respectively comprising four reflectings surface
Cemented surface 202 and the second cemented surface 2021 on prism, and the third cemented surface 2023 on the second Amici prism and
Four cemented surfaces 2024；Bottom edge exit facet 203, side exit facet comprising six exit facets, on the first Amici prism 1031
204 and second side exit facet 205, and the second bottom edge exit facet 212 on the second Amici prism 1032, third side
Exit facet 211 and four side exit facet 213.
Light enters from light acquisition window 101, enters Amici prism by the plane of incidence 201 on the first Amici prism 1031
In, ultraviolet light 003 is reflected by the second cemented surface 2021 with 90 ° of directions, is projected by side exit facet 204；Infrared light is by the second glue
Conjunction face 2021 is reflected with 90 ° of directions, is projected by second side exit facet 205；Visible light 002 be then directed through cemented surface 202 with
Second cemented surface 2021, is projected by bottom edge exit facet 203, then is entered through second plane of incidence 2012 on the second Amici prism 1032
Second Amici prism, then, it is seen that in light, blue spectrum parts are reflected by third cemented surface 2023 with 90 ° of directions, by third side
Side exit facet 211 projects；Red spectrum part is reflected by the 4th cemented surface 2024 with 90 ° of directions, by four side exit facet 213
It projects；Remaining green portion is then directed through third cemented surface 2023 and the 4th cemented surface 2024 in spectrum, then by the second bottom
Side exit facet 212 projects.So far, the entire incident ray system of being split is divided into ultraviolet light 003, blue light 004, green light 006, feux rouges
005 and infrared light 001.
In the present embodiment, five groups of optical imaging lens is scheduled, convergence imaging is carried out to 5 beam light respectively.As shown in the figure,
Including the first optical imaging device 107 comprising the first lens set 106 and the first eyeglass shell 105, receive infrared light 001 at
Picture；Second optical imaging device 1072 receives ultraviolet light 003 and is imaged；Third optical imaging device 1073, receive feux rouges 005 at
Picture；4th optical imaging device 1074 receives blue light 004 and is imaged；5th optical imaging device 1075 receives green light 006 and is imaged；
Every set optical imaging device structure is identical as the first optical imaging device, includes a set of optical mirror slip group and eyeglass shell, mirror
Piece shell includes the fixation device and conditioning optics of eyeglass, while five sets of optical receiver assemblies are arranged, and the first optics receives
Device 331 includes the first optical sensor 301, is infrared light transducer[sensor and corresponding first IC apparatus 302,
Corresponding first optical imaging device；Second optical receiver assembly 332 includes the second optical sensor 304, is ultraviolet light sensing
Device and corresponding second IC apparatus, corresponding second optical imaging device；Third optical receiver assembly 333 includes red
Coloured light sensor and corresponding IC apparatus, corresponding third optical imaging device；4th optical receiver assembly 334 includes indigo plant
Coloured light sensor and corresponding IC apparatus, corresponding 4th optical imaging device；5th optical receiver assembly 335 includes green
Optical sensor and corresponding IC apparatus, corresponding 5th optical imaging device；I.e. every set optical receiver assembly includes pair
Answer wavelength light sensor and integrated circuit.
The core of the present embodiment is, by two dichroic Amici prisms, light is pressed wave by secondary light splitting operation
Long section is total to be divided into ultraviolet light, blue light, 5 beam of green light, feux rouges and infrared light, respectively with corresponding optical imagery system
System assembles imaging, then receives optical signal by the optical sensor of corresponding wavelength, electronic signal is generated, to realize five spectrum of integral type
The design of imaging camera machine.As long as incident light can be from each difference in view of the reflecting surface inside light-dividing device 103 is enough
Angle projects after being divided from light-dividing device 103.
Corresponding optical imaging device and optical receiver assembly is only arranged by horizontal plane in three of the above embodiment, and specific to
The diversity of practice, the embodiment of the present invention 4 is as shown in Fig. 4 ~ 6, the light input parts such as light acquisition window and above-mentioned implementation
Example 3 is identical, while also having five groups of optical imaging devices and optical receiver assembly；With embodiment 3 the difference is that, this reality
Cube of Amici prism applied in a light-dividing device 103 is made of several small prisms, inside can to form four gluings flat
Face, as shown in fig. 7, there is plane ABGH respectively, plane CDEF, plane ADGF, plane BCHE are plated respectively in each of which glued plane
There is the reflectance coating of different colours, four in the present embodiment glued planes are coated with infrared light reflecting film respectively, ultraviolet optical reflection film,
Blu-ray reflection film, green reflection film.
Five groups of optical imaging devices, the knot of this five groups of optical imaging devices and embodiment three are equally provided in the present embodiment
Structure function is identical, is all that the light after light splitting is carried out convergence imaging；The difference is that using the incident direction of light before
Side, this five groups of optical imaging devices are separately positioned on the top of cube Amici prism, lower section, left, right and rear, and being used for will
Five beam sub-light lines emitted by five faces from light-dividing device 103 in addition to the plane of incidence 201 assemble imaging, while the present embodiment
In be equally provided with five groups of optical receiver assemblies, structure function is in the same manner as in Example 3, position and each group optical imaging device
It is corresponding, for receiving the light for assembling imaging.It is wherein front with plane of light incidence, Fig. 4 is the present embodiment front view schematic diagram,
Fig. 5 is the present embodiment top view illustration, and Fig. 6 is the present embodiment perspective view schematic diagram.
As shown in Fig. 7 ~ 8, using the incident direction of light as front, enters from the plane of incidence 201 of light-dividing device 103, enter
It penetrates in light the wherein light of four wave bands and is coated with the cemented surface of reflectance coating in 90 ° of reflections by four in the light-dividing device 103, one
The light of a wave band transmits, and is finally divided into five beam sub-light lines, respectively infrared light 001, ultraviolet light 003, blue light 004, green light
006, feux rouges 005, this five beams sub-light line respectively from the upper surface CDGH of light-dividing device 103, lower surface ABFE, left surface CBFG,
Right surface A DHE and rear surface EFGH is projected, then respectively by the first optical imaging device 107, the second optical imaging device
1072, third optical imaging device 1073, the 4th optical imaging device 1074, the 5th optical imaging device 1075, which is assembled, to be imaged,
Every suit optical imaging device includes a set of optical mirror slip group and eyeglass shell, eyeglass shell include eyeglass fixation device and
Conditioning optics, then respectively by corresponding first optical receiver assembly 331, the second optical receiver assembly 332, third optics
Reception device 333, the 4th optical receiver assembly 334, the 5th optical receiver assembly 335 receive, and every set optical receiver assembly wraps
Light sensor containing corresponding wavelength and IC apparatus.
The core of the present embodiment is, by a cube of Amici prism, by being once divided operation for light by wavelength
Section is total to be divided into ultraviolet light, blue light, 5 beam of green light, feux rouges and infrared light, respectively with corresponding optical imaging system
Assemble imaging, then by corresponding wavelength optical sensor receive optical signal, generate electronic signal, thus realize five spectrum of integral type at
As the design of video camera, there is the advantage for further saving space compared to embodiment three.
Claims (7)
1. integral type multispectral imaging photographic device including mechanical hull (102), is located at the mechanical hull (102) one end
Light acquisition window (101), light-dividing device (103) and several optical sensors, it is characterised in that: the light-dividing device (103)
Positioned at the rear of the light acquisition window (101)；Several optical imaging devices are equipped in the mechanical hull (102).
2. integral type multispectral imaging photographic device as described in claim 1, it is characterised in that: the light-dividing device (103)
The optical imaging device is equipped with outside each surface in addition to the plane of incidence.
3. integral type multispectral imaging photographic device as claimed in claim 1 or 2, it is characterised in that: the light-dividing device
(103) include one piece of cube Amici prism as made of the sub- prism cementing of muti-piece, be coated with film layer on cemented surface.
4. integral type multispectral imaging photographic device as claimed in claim 1 or 2, it is characterised in that: the light-dividing device
It (103) include two pieces of cubes of Amici prisms；Cube Amici prism described in every piece is formed by the sub- prism cementing of muti-piece, on cemented surface
It is coated with film layer.
5. integral type multispectral imaging photographic device as claimed in claim 4, it is characterised in that: cube light splitting rib described in two pieces
Mirror is along light acquisition window (101) primary optical axis sequential, and the first Amici prism (1031) and second cube of Amici prism
(1032) it is formed and is had there are four cemented surface by four pieces of sub- prism cementings；Film layer, and four gluings are coated on the cemented surface
The two one group of formation in face, two reflectings surface.
6. integral type multispectral imaging photographic device as claimed in claim 3, it is characterised in that: the light-dividing device (103)
Including one piece of cube of Amici prism, this cube of Amici prism is formed by two pieces of sub- prism cementings and has a cemented surface (202)；
The film layer to form reflecting surface is coated on the cemented surface (202).
7. integral type multispectral imaging photographic device as claimed in claim 3, it is characterised in that: the light-dividing device (103)
Including one piece of cube of Amici prism, this cube of Amici prism is formed by four pieces of sub- prism cementings and is had there are four cemented surface；It is described
Film layer, and four cemented surfaces, two one group of formation, two reflectings surface are coated on cemented surface.
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