CN108562975A - A kind of lamination reflection type optical fiber integrated device - Google Patents
A kind of lamination reflection type optical fiber integrated device Download PDFInfo
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- CN108562975A CN108562975A CN201810213521.3A CN201810213521A CN108562975A CN 108562975 A CN108562975 A CN 108562975A CN 201810213521 A CN201810213521 A CN 201810213521A CN 108562975 A CN108562975 A CN 108562975A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
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- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of lamination reflection type optical fiber integrated devices, the device includes lens, optical fiber common end, the first fiber-optic signal end, the second fiber-optic signal end, the first optical filter and the second optical filter, first optical filter is used to reflect the light wave of first wave length, second optical filter is used to reflect the light wave of second wave length, the optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal end are fixedly connected with lens, and the lens, the first optical filter and the second optical filter are arranged in order；The light wave of the second wave length sequentially passes through lens and the first optical filter after being injected from the optical fiber common end, is then reflected by the second optical filter, and the light wave of the second wave length after being reflected goes out after sequentially passing through the first optical filter and lens from the second fiber-optic signal end-fire.Laminated construction of the present invention so that the distance between adjacent optical filter in device smaller so that device smaller.The present invention can be widely applied to optical device field.
Description
Technical field
The present invention relates to optical device field, especially a kind of lamination reflection type optical fiber integrated device.
Background technology
With the explosive increase of internet information so that requirement of the user to network bandwidth is higher and higher, traditional light
Fine technology cannot meet requirement of the people to network speed instantly, therefore partial wave multiplexing technology comes into being, partial wave multiplexing
The core of technology is that the light wave of multiple and different wavelength is coupled in same root optical fiber to transmit, and when in use again will be in optical fiber
The light wave of multiple wavelength is detached, to achieve the purpose that promote bandwidth.An and crucial light in partial wave multiplexing technology
It is exactly by the device of light wave partial wave and multiplex in optical fiber to learn component.
Currently available technology is broadly divided into two kinds, and one is multichannel optical couplers, WDM, dual-wavelength parts 10 ' as shown in Figure 1 comprising
Module receiving terminal 11 ' and several signal receivers 12 ', wherein device inside is equipped with several optical filters 13 ' for partial wave and uses
In the speculum 14 ' of reflection, since in such technical solution, since there are reflective mirrors, and each optical filter is tiling, because
The volume of the device of this technical solution is larger.
Another technical solution is such as application No. is 201610007949.3, and the China of entitled " optical couplers, WDM, dual-wavelength part " is specially
Technical solution described in profit, the program are stacked using multiple optical filters disposed in parallel, and wherein optical filter is for reflecting spy
The light wave of standing wave length, and through the light wave of other wavelength, in partial wave, light wave is injected from common end, and in some optical filtering
It is reflected in piece and is reflected directly into some receiving terminal.This kind of technical solution is opposite since multiple optical filters are arranged in parallel
Technology in Fig. 1 more saves space, but the technical solution still has certain limitation, due in the technical solution
Middle light wave directly injects receiving terminal after being reflected so that reserved larger distance is needed between optical filter and optical filter, and
The light wave injected and projected is generally in 90 degree so that eyeglass needs to keep larger inclination angle, the larger eyeglass of gradient to occupy
More spaces, so that the volume of device can not further reduce.
Invention content
In order to solve the above technical problems, it is an object of the invention to：A kind of smaller lamination reflection type optical fiber of volume is provided
Integrated device.
The first technical solution for being taken of the present invention is：
A kind of lamination reflection type optical fiber integrated device, including lens, optical fiber common end, the first fiber-optic signal end, the second light
Optical fiber signaling end, the first optical filter and the second optical filter, first optical filter and the second optical filter are used to reflection specific wavelength
Light wave and transmit the light wave of its commplementary wave length in addition to specific wavelength, first optical filter is used to reflect the light of first wave length
Wave, second optical filter are used to reflect the light wave of second wave length, the optical fiber common end, the first fiber-optic signal end and the second light
Optical fiber signaling end is fixedly connected with lens, and the lens, the first optical filter and the second optical filter are arranged in order；
The light wave of the second wave length sequentially passes through lens and the first optical filter after being injected from the optical fiber common end, then
It is reflected by the second optical filter, the light wave of the second wave length after being reflected sequentially passes through after the first optical filter and lens from the second optical fiber
Signal end projects；
Or the light wave of the second wave length enter from the second fiber-optic signal end-fire after sequentially pass through lens and first filter
Then mating plate is reflected by the second optical filter, after the light wave of the second wave length after being reflected sequentially passes through the first optical filter and lens
It projects optical fiber common end.
Further, first optical filter is fixed on by adhesive on the lens, and second optical filter passes through viscous
Mixture is fixed on the first optical filter.
Further, further include glass tube, the optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal end are logical
The same end that glass tube is fixed on lamination reflection type optical fiber integrated device is crossed, the glass tube is sleeved on the optical fiber common end,
Outside one fiber-optic signal end and the second fiber-optic signal end.
Further, the optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal end are optical fiber.
Further, the angle between first optical filter and the second optical filter is less than 5 °.
Further, first optical filter and the second optical filter are optical film filter.
Second of technical solution being taken of the present invention be：
A kind of lamination reflection type optical fiber integrated device, including lens, optical fiber common end, first to N fiber-optic signals end and
First to N optical filters, and described first to N optical filters is used to the light wave of reflection specific wavelength and transmits in addition to specific wavelength
Its commplementary wave length light wave, described first to N optical filters be respectively used to reflection first to N wavelength light wave, the optical fiber
Common end and first is fixedly connected with lens to N fiber-optic signals end, and the lens and first are arranged successively to N optical filters
Row, the N are more than or equal to 3；
The light wave of M wavelength sequentially passes through lens and first to M-1 optical filters, so after being injected from the optical fiber common end
Reflected afterwards by M optical filters, the light wave of the M wavelength after being reflected sequentially pass through after M-1 to the first optical filter and lens from
M fiber-optic signal end-fires go out；
Or the light wave of M wavelength enter from the M fiber-optic signal end-fires after sequentially pass through lens and first to M-1 filter
Then mating plate is reflected by M optical filters, the light wave of the M wavelength after being reflected sequentially passes through M-1 to the first optical filter and thoroughly
It is projected from optical fiber common end after mirror；
The M ∈ [3, N].
Further, first optical filter is fixed on by adhesive on the lens, and the S optical filters pass through bonding
Agent is fixed on S-1 optical filters, the S ∈ [2, N].
Further, further include glass tube, the optical fiber common end and described first passes through glass to N fiber-optic signals end
Pipe is fixed on the same end of lamination reflection type optical fiber integrated device, and the glass tube is sleeved on the optical fiber common end and first to
Outside N fiber-optic signals end.
Further, the optical fiber common end and described first to N fiber-optic signals end be optical fiber.
Further, the angle between first optical filter and the second optical filter is less than 5 °, the N optical filters and N-
Angle between 1 optical filter is less than 5 °.
Further, described first to N optical filters be optical film filter.
The beneficial effects of the invention are as follows：Including light common end, two or more fiber-optic signal ends, lens and two or
Above optical filter, laminated construction of the present invention so that it is incident that incident light wave can pass through light wave after being reflected by optical filter
When all optical filters for transmiting, and fiber-optic signal end or optical fiber common end are not emitted directly toward after light wave is reflected.Therefore,
Compared with the existing technology, the distance between two adjacent optical filters in device of the invention can be with smaller, and device architecture is more
It is compact so that device can be further miniaturized.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of multichannel optical couplers, WDM, dual-wavelength part of the prior art；
Fig. 2 is a kind of surface structure schematic diagram of lamination reflection type optical fiber integrated device of the present invention；
Fig. 3 is a kind of internal structure schematic diagram of lamination reflection type optical fiber integrated device of the present invention；
Fig. 4 is a kind of operation principle schematic diagram of lamination reflection type optical fiber integrated device of the present invention.
Specific implementation mode
A kind of lamination reflection type optical fiber integrated device, including lens, optical fiber common end, the first fiber-optic signal end, the second light
Optical fiber signaling end, the first optical filter and the second optical filter, first optical filter and the second optical filter are used to reflection specific wavelength
Light wave and transmit the light wave of its commplementary wave length in addition to specific wavelength, first optical filter is used to reflect the light of first wave length
Wave, second optical filter are used to reflect the light wave of second wave length, the optical fiber common end, the first fiber-optic signal end and the second light
Optical fiber signaling end is fixedly connected with lens, and the lens, the first optical filter and the second optical filter are arranged in order；It should be understood that
It is that the light wave of first and second wavelength all refers to certain specific wavelength or the light wave of particular range of wavelengths.Such as first
The light wave of wavelength can be the light wave of 1310nm, the light wave of 1550nm or the light wave within the scope of 600nm to 5000nm.And
And the light wave of first and second wavelength is the different light wave of wavelength.
The light wave of the second wave length sequentially passes through lens and the first optical filter after being injected from the optical fiber common end, then
It is reflected by the second optical filter, the light wave of the second wave length after being reflected sequentially passes through after the first optical filter and lens from the second optical fiber
Signal end projects；
Or the light wave of the second wave length enter from the second fiber-optic signal end-fire after sequentially pass through lens and first filter
Then mating plate is reflected by the second optical filter, after the light wave of the second wave length after being reflected sequentially passes through the first optical filter and lens
It projects optical fiber common end.
It is further used as preferred embodiment, first optical filter is fixed on by adhesive on the lens, institute
The second optical filter is stated to be fixed on the first optical filter by adhesive.
Be further used as preferred embodiment, further include glass tube, the optical fiber common end, the first fiber-optic signal end and
Second fiber-optic signal end is fixed on the same end of lamination reflection type optical fiber integrated device by glass tube, and the glass tube is sleeved on
Outside the optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal end.
It is further used as preferred embodiment, the optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal
End is optical fiber.
It is further used as preferred embodiment, the angle between first optical filter and the second optical filter is less than 5 °.
It is further used as preferred embodiment, first optical filter and the second optical filter are that optical thin film filters
Piece.
A kind of lamination reflection type optical fiber integrated device, including lens, optical fiber common end, first to N fiber-optic signals end and
First to N optical filters, and described first to N optical filters is used to the light wave of reflection specific wavelength and transmits in addition to specific wavelength
Its commplementary wave length light wave, described first to N optical filters be respectively used to reflection first to N wavelength light wave, the optical fiber
Common end and first is fixedly connected with lens to N fiber-optic signals end, and the lens and first are arranged successively to N optical filters
Row, the N are more than or equal to 3；It should be understood that described first to N wavelength light wave all refer to certain specific wavelength or
The light wave of particular range of wavelengths.Such as the light wave of first wave length can be the light wave of the light wave of 1310nm, 1550nm, either
Light wave within the scope of 600nm to 5000nm.And described first to the light wave of N wavelength be the different light wave of wavelength.
The light wave of M wavelength sequentially passes through lens and first to M-1 optical filters, so after being injected from the optical fiber common end
Reflected afterwards by M optical filters, the light wave of the M wavelength after being reflected sequentially pass through after M-1 to the first optical filter and lens from
M fiber-optic signal end-fires go out；
Or the light wave of M wavelength enter from the M fiber-optic signal end-fires after sequentially pass through lens and first to M-1 filter
Then mating plate is reflected by M optical filters, the light wave of the M wavelength after being reflected sequentially passes through M-1 to the first optical filter and thoroughly
It is projected from optical fiber common end after mirror；
The M ∈ [3, N].
It is further used as preferred embodiment, first optical filter is fixed on by adhesive on the lens, institute
It states S optical filters to be fixed on S-1 optical filters by adhesive, the S ∈ [2, N].
It is further used as preferred embodiment, further includes glass tube, the optical fiber common end and described first is to N light
Optical fiber signaling end is fixed on the same end of lamination reflection type optical fiber integrated device by glass tube, and the glass tube is sleeved on the light
Fine common end and first is to outside N fiber-optic signals end.Wherein, when producing device, X item light can be set in glass bushing
Fibre, and X>N, in production, it is only necessary to cut extra optical fiber.Optical coupling can be completed in order to device in this way.
It is further used as preferred embodiment, the optical fiber common end and described first is to N fiber-optic signals end
Optical fiber.
It is further used as preferred embodiment, the angle between first optical filter and the second optical filter is less than 5 °,
Angle between the N optical filters and N-1 optical filters is less than 5 °.
It is further used as preferred embodiment, described first to N optical filters is optical film filter.
The present invention is further detailed with specific embodiment with reference to the accompanying drawings of the specification.
With reference to Fig. 2, a kind of lamination reflection type optical fiber integrated device is present embodiments provided, which includes a lens
100, (optical filter includes the first optical filter 201, the second optical filter 202, third optical filter 203 to multiple optical filters in the present embodiment
With the 4th optical filter 204), multiple optical fiber ends (including the first fiber-optic signal end, the second fiber-optic signal end, third fiber-optic signal end,
4th fiber-optic signal end and optical fiber common end).In the present embodiment, multiple optical fiber ends can be optical fiber 400, and the optical fiber
Relative position between 400 and lens 100 is fixed by connector 500, and the connector 500 can be sleeved on fiber-optic signal end
With the glass tube on optical fiber common end.In further embodiments, optical fiber 400 can be connect with lens 100 by other means,
Such as it is directly anchored on lens.In some embodiments, multiple optical fiber ends can be for connect the spare interface of optical fiber (including
The locating slot of such as optical fiber or the jack of optical fiber).First to fourth optical filter can select optical film filter.
The connection type of the lens and first to fourth optical filter can there are many, wherein Fig. 3 show it is a kind of preferably
Embodiment, as shown in figure 3, lens 100, the first optical filter 201, the second optical filter 202, third optical filter 203 and the 4th
Paste fixation between optical filter 204 successively by adhesive 300, wherein adhesive 300 is by lens 100 and the first optical filter 201
Edge or the edges of two optical filters be bonded together.It is appreciated that the various the shape of the lens and multiple optical filters
Can be edge round, that rectangular either other shapes are described herein refer to the edge for not influencing lens or optical filter function
When region or device work light wave not by region.By taking lens and multiple optical filters are circle as an example, the bonding
Agent 300 can fill a circumference, either only apply part camber line or point on circumference, the smearing mode of adhesive can basis
Production technology needs are adjusted flexibly.In further embodiments, the lens, the first optical filter, the second optical filter, third filter
Piece and the 4th optical filter are pasted onto an attachment successively, and the attachment can be such as glass substrate.In other implementations
In example, the lens, the first optical filter, the second optical filter, third optical filter and the 4th optical filter are mechanical by such as limiting slot etc.
Structure is fixed in a shell.
The present embodiment will explain the operation principle of the present invention, as shown in figure 4, mixing light wave is (with λ 1+ λ 2+ λ in figure
3+ λ 4 are indicated, are meant that the light wave includes the light wave of four kinds of wavelength) from the incidence of optical fiber common end, by the effect of lens 100
Become directional light, then projects on optical filter, when light wave λ 1+ λ 2+ λ 3+ λ 4 project the first optical filter 201,1 meetings of light wave λ
It is reflected by the first optical filter 201, reflected light wave λ 1 reenters lens 100, and is focused under the action of lens 100
One fiber-optic signal end.Remaining light wave λ 2+ λ 3+ λ 4 can be across the first optical filter 201, and then projects on the second optical filter 202,
On the second optical filter 202, light wave λ 2 can be reflected by the second optical filter, and remaining light wave λ 3+ λ 4 can be across the second optical filter
202, the light wave λ 2 reflected by the second optical filter 202 can be across the first optical filters 201, and subsequently into lens 100, lens 100 will
Light wave λ 2 refocuses the second fiber-optic signal end.It is anti-when remaining light wave enters third optical filter 203 and four optical filters 204
It penetrates identical with transmission principle.Also, according to the reversible principle of light path, the present embodiment can be used for by the light wave of multiple wavelength from
First to fourth fiber-optic signal end-fire enters, and can pool a mixing light wave and be projected from optical fiber common end, complete the function of multiplex.
Therefore the present embodiment can play the function of partial wave and multiplex.In addition, the set-up mode about optical filter, those skilled in the art
It is known that according to the description of the present embodiment, it is only necessary to be finely adjusted that (angle is not limited to two to the angle of optical filter
The angle of dimensional plane), you can the pip for adjusting light wave, so as to adjust the position of the focus light after being reflected, thus can be with
It realizes by different focus lights in different optical fiber, therefore is not parallel in the present invention, between multiple optical filters, filter
Angle between piece is less than 5 °, refers specifically to the angle of the plane where two optical filters, i.e., plane vertical with thickness direction.This
Outside, it is preferable that the angle between the first optical filter and lens is again smaller than 5 °.
Although the present embodiment is only with tool, there are four the devices of optical filter to illustrate, and those skilled in the art can root
The embodiment of other a variety of eyeglasses, such as only 2,5,10 optical filters etc. are obtained according to the present embodiment.
In conclusion the present invention has the following advantages：
1) laminated construction of the present invention so that it is incident that incident light wave can pass through light wave after being reflected by N optical filters
When all optical filters for transmiting, and fiber-optic signal end or optical fiber common end are not emitted directly toward after light wave is reflected.Therefore,
Compared with the existing technology, the distance between two adjacent optical filters in device of the invention can be with smaller, and device architecture is more
Compact, optical element used is less so that device can be further miniaturized.
2) the optical fiber common end in the present invention and multiple fiber-optic signal ends are arranged at one end of device, and pass through a glass
Glass pipe is fixed, compared with the existing technology in, it is more convenient to use in the device of 90 degree of angles to inject end and ejecting end, occupies
Space smaller.
3) further, the present invention selects adhesive to be directly pasted together lens and multiple optical filters, relative to tradition
Eyeglass fixation is more saved space by technology by a substrate so that device is smaller.
4) larger inclination angle in the conventional technology, is used between optical filter, it is therefore desirable to the light wave of larger wavelength interval
The light wave of different wave length could be separated by optical filter, transmission and reflection function, increases the difficulty for realizing wavelength-division multiplex,
Reduce the number of wavelengths that can be used for wavelength-division multiplex simultaneously.And the angle between the eyeglass of the present invention is less than 5 °, overcomes tradition
This problem in technology achievees the purpose that high density wavelength-division multiplex convenient for integrating more wavelength.
It is to be illustrated to the preferable implementation of the present invention, but the present invention is not limited to the embodiment above, it is ripe
Various equivalent variations or replacement can also be made under the premise of without prejudice to spirit of that invention by knowing those skilled in the art, this
Equivalent deformation or replacement are all contained in the application claim limited range a bit.
Claims (10)
1. a kind of lamination reflection type optical fiber integrated device, it is characterised in that：Including lens, optical fiber common end, the first fiber-optic signal
End, the second fiber-optic signal end, the first optical filter and the second optical filter, first optical filter and the second optical filter are used to reflect
The light wave of specific wavelength and the light wave for transmiting its commplementary wave length in addition to specific wavelength, first optical filter is for reflecting first
The light wave of wavelength, second optical filter are used to reflect the light wave of second wave length, the optical fiber common end, the first fiber-optic signal end
It is fixedly connected with lens with the second fiber-optic signal end, the lens, the first optical filter and the second optical filter are arranged in order；
The light wave of the second wave length sequentially passes through lens and the first optical filter after being injected from the optical fiber common end, then by the
Two optical filters reflect, and the light wave of the second wave length after being reflected sequentially passes through after the first optical filter and lens from the second fiber-optic signal
End-fire goes out；
Or the light wave of the second wave length enter from the second fiber-optic signal end-fire after sequentially pass through lens and the first optical filter,
Then it is reflected by the second optical filter, the light wave of the second wave length after being reflected sequentially passes through optical fiber public affairs after the first optical filter and lens
End-fire goes out altogether.
2. a kind of lamination reflection type optical fiber integrated device according to claim 1, it is characterised in that：First optical filter
It is fixed on the lens by adhesive, second optical filter is fixed on by adhesive on the first optical filter.
3. a kind of lamination reflection type optical fiber integrated device according to claim 1, it is characterised in that：Further include glass tube,
The optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal end are fixed on lamination reflection type optical fiber by glass tube
The same end of integrated device, the glass tube are sleeved on the optical fiber common end, the first fiber-optic signal end and the second fiber-optic signal end
Outside.
4. a kind of lamination reflection type optical fiber integrated device according to claim 1, it is characterised in that：First optical filter
And the second angle between optical filter is less than 5 °.
5. a kind of lamination reflection type optical fiber integrated device according to claim 1, it is characterised in that：First optical filter
It is optical film filter with the second optical filter.
6. a kind of lamination reflection type optical fiber integrated device, it is characterised in that：Including lens, optical fiber common end, first to N optical fiber
To N optical filters, described first to N optical filters is used to the light wave of reflection specific wavelength and transmits except spy signal end and first
Standing wave length outside its commplementary wave length light wave, described first to N optical filters be respectively used to reflection first to N wavelength light wave,
The optical fiber common end and first is fixedly connected with lens to N fiber-optic signals end, and the lens and first are to N optical filters
It is arranged in order, the N is more than or equal to 3；
The light wave of M wavelength sequentially passes through lens and first to M-1 optical filters after being injected from the optical fiber common end, then by
M optical filters reflect, and the light wave of the M wavelength after being reflected sequentially passes through after M-1 to the first optical filter and lens from M light
Optical fiber signaling end-fire goes out；
Or the light wave of M wavelength enter from the M fiber-optic signal end-fires after sequentially pass through lens and first to M-1 filter
Piece, is then reflected by M optical filters, and the light wave of the M wavelength after being reflected sequentially passes through M-1 to the first optical filter and lens
It is projected afterwards from optical fiber common end；
The M ∈ [3, N].
7. a kind of lamination reflection type optical fiber integrated device according to claim 6, it is characterised in that：First optical filter
It is fixed on the lens by adhesive, the S optical filters are fixed on by adhesive on S-1 optical filters, the S ∈
[2, N].
8. a kind of lamination reflection type optical fiber integrated device according to claim 6, it is characterised in that：Further include glass tube,
The optical fiber common end and described first is fixed on lamination reflection type optical fiber integrator to N fiber-optic signals end by glass tube
The same end of part, the glass tube are sleeved on the optical fiber common end and first to outside N fiber-optic signals end.
9. a kind of lamination reflection type optical fiber integrated device according to claim 6, it is characterised in that：First optical filter
And the second angle between optical filter is less than 5 °, the angle between the N optical filters and N-1 optical filters is less than 5 °.
10. a kind of lamination reflection type optical fiber integrated device according to claim 6, it is characterised in that：Described first to N
Optical filter is optical film filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213521.3A CN108562975A (en) | 2018-03-15 | 2018-03-15 | A kind of lamination reflection type optical fiber integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810213521.3A CN108562975A (en) | 2018-03-15 | 2018-03-15 | A kind of lamination reflection type optical fiber integrated device |
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| CN108562975A true CN108562975A (en) | 2018-09-21 |
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| CN201810213521.3A Pending CN108562975A (en) | 2018-03-15 | 2018-03-15 | A kind of lamination reflection type optical fiber integrated device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444734A (en) * | 2000-09-05 | 2003-09-24 | 日本板硝子株式会社 | Optical element having wavelength selectivity |
| CN203502618U (en) * | 2013-06-08 | 2014-03-26 | 上海圣治光电科技有限公司 | Multipath wavelength division multiplexer |
| CN106603153A (en) * | 2015-10-14 | 2017-04-26 | 苏州旭创科技有限公司 | Optical wave separator/combiner device |
| CN206818914U (en) * | 2017-03-31 | 2017-12-29 | 上海中科创欣通讯设备有限公司 | Reflection-type wavelength division multiplexer based on film filtering slice |
-
2018
- 2018-03-15 CN CN201810213521.3A patent/CN108562975A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1444734A (en) * | 2000-09-05 | 2003-09-24 | 日本板硝子株式会社 | Optical element having wavelength selectivity |
| CN203502618U (en) * | 2013-06-08 | 2014-03-26 | 上海圣治光电科技有限公司 | Multipath wavelength division multiplexer |
| CN106603153A (en) * | 2015-10-14 | 2017-04-26 | 苏州旭创科技有限公司 | Optical wave separator/combiner device |
| CN206818914U (en) * | 2017-03-31 | 2017-12-29 | 上海中科创欣通讯设备有限公司 | Reflection-type wavelength division multiplexer based on film filtering slice |
Non-Patent Citations (2)
| Title |
|---|
| 刘辉: "《红外光电探测原理》", 30 April 2016, 国防工业出版社 * |
| 科尼利厄斯·J·威勒斯: "《光电系统分析与设计》", 31 July 2015, 国防工业出版社 * |
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Application publication date: 20180921 |