CN108709716A - Optically filtering based on two dimension or multidimensional light-path selection technique and detection device and method - Google Patents
Optically filtering based on two dimension or multidimensional light-path selection technique and detection device and method Download PDFInfo
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- CN108709716A CN108709716A CN201810790178.9A CN201810790178A CN108709716A CN 108709716 A CN108709716 A CN 108709716A CN 201810790178 A CN201810790178 A CN 201810790178A CN 108709716 A CN108709716 A CN 108709716A
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Abstract
The present invention proposes a kind of optically filtering and detection device and method based on two dimension or multidimensional light-path selection technique, wherein device includes sequentially connected spectral module, light space cell access selecting module, photodetector and signal processing center, and drive control module is also connected between the smooth space cell access selecting module and the signal processing center；The spectral module for being detached to incident light, and projects to the spatial distribution light that different spatial domains forms different spaces domain；The smooth space cell access selecting module selects the spatial distribution light of different dimensions to pass through for controlling it by the drive module, and different spatial distribution light corresponds to different optical wavelength；The drive control module provides synchronized signal to the signal processing center simultaneously；The photodetector is transmitted to the signal processing center by signal is detected；It is analyzed according to the synchronized signal and the detection signal at the signal processing center.
Description
Technical field
The present invention relates to optical fields more particularly to a kind of based on two dimension or multidimensional light space cell access selection technique
Optically filtering and detection device and method.
Background technology
With the development of information technology, the continuous promotion of communication speed and quality, using the appearance of fiber optic communication lifting system
Amount and speed will be inevitable development trend, while the bandwidth in the space of large capacity, faster speed and bigger has become not
How the inevitable development trend for carrying out Fibre Optical Communication Technology ensures that optic communication quality is particularly significant, currently with spectral detection original
Reason detects the performance of optical channel in real time, monitors the quality of communication link.Solution technical solution involved in the prior art has soon
Speed stablizes feature, but volume is big, and precision is low, while it uses detector array, cost higher.
Invention content
The technical problem to be solved in the present invention is, precision big for optically filtering and detection device volume in the prior art
It is low, while using detector array, the higher defect of cost, provide it is a kind of it is simple in structure, at low cost, reliability is high, wide spectrum
Based on two dimension or multidimensional light-path selection technique optically filtering and detection device.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of optically filtering and detection device based on two dimension or multidimensional light-path selection technique are provided, including are sequentially connected
Spectral module, light space cell access selecting module, photodetector and signal processing center, the smooth space cell access
It is also connected with drive control module between selecting module and the signal processing center；
The spectral module for being detached to incident light, and projects to different spatial domains and forms different spaces domain
Spatial distribution light；
The smooth space cell access selecting module, for controlling its sky for selecting different dimensions by the drive module
Between distribution light pass through, different spatial distribution light corresponds to different optical wavelength；
The drive control module provides synchronized signal to the signal processing center simultaneously；
The photodetector is transmitted to the signal processing center by signal is detected；
It is analyzed according to the synchronized signal and the detection signal at the signal processing center.
Connecing above-mentioned technical proposal, the smooth space cell access selecting module includes light vector scanner and rotating mechanism,
The rotating mechanism drives the vector scan device to be scanned in different spatial domains, selects the spatial distribution in different spaces domain
Light passes through.
Above-mentioned technical proposal is connect, the smooth space cell access selecting module includes the combination of light vector scanner and rotating machine
Structure, the rotating mechanism drive the vector scan device combination to be scanned in different spatial domains, select different spaces domain
Spatial distribution light passes through, and adjusts the vector scan combination of devices, so that one-dimensional, two-dimentional or three-dimensional light passes through.
The present invention also provides a kind of based on two-dimentional or multidimensional light-path selection technique optically filtering and detection method, packet
Include following steps：
Incident light is detached, and projects to the spatial distribution light that different spatial domains forms different spaces domain；
The spatial distribution light of control different dimensions passes through, and different spatial distribution light corresponds to different optical wavelength；
To by spatial distribution light be acquired and analyze.
The beneficial effect comprise that：The present invention is by light space cell access selecting module, in drive module control
The spatial distribution light of the lower selection different dimensions of system passes through, and to realize one-dimensional, two-dimentional or multidimensional light-path, simplifies structure,
It only needs a photodetector that can reach the effect and function of former detector array, reduces cost, and improve dress
The reliability set.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is optically filtering and structure of the detecting device of the embodiment of the present invention based on two dimension or multidimensional light-path selection technique
Schematic diagram；
Fig. 2 is light space cell access selecting module structural schematic diagram of the embodiment of the present invention.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
The optically filtering and detection device based on two dimension or multidimensional light-path selection technique of the embodiment of the present invention, such as Fig. 1
It is shown, including in sequentially connected spectral module 1, light space cell access selecting module 2, photodetector 3 and signal processing
The heart 4 is also connected with drive module 5 between the smooth space cell access selecting module and the signal processing center；
The spectral module 1 for being detached to incident light, and projects to different spatial domains and forms different spaces domain
Spatial distribution light；
The smooth space cell access selecting module 2, for sending specific instruction control by the drive control module 5
The spatial distribution light of selection different dimensions passes through, and spatial distribution light is sent into single-photodetector 3, different spatial distribution light
Corresponding different optical wavelength；Because of light space cell access selecting module 2, different waves are formd by the driving of drive control module 5
Long spatial distribution, therefore only need single-photodetector 3 that can complete to detect accordingly.
The drive control module 5 provides synchronized signal to the signal processing center simultaneously；
The photodetector 3 is transmitted to the signal processing center 4 by signal is detected；
It is analyzed according to the synchronized signal and the detection signal at the signal processing center 4.
When light is incident on spectral module 1, the separation of incident light difference spectrum is realized by spectral module 1, and forms space
Distribution light, then project light space cell access selecting module 2, pass through the driving of light space cell access selecting module 2
Controller 5, control light space cell access selecting module 2 select the light in different spaces domain to be passed through, these different spaces
Domain corresponds to different optical wavelength；The drive control module 5 of light space cell access selecting module 2 provide simultaneously synchronizing signal to
Signal processing center 4；The signal that signal processing center 4 is detected according to drive signal and single-photodetector 3, synthesis are divided
Analysis, and then spectrum is detected and analyzed, meet the needs of communications field and the detection of industrial circle optical channel or spectral detection.
Light space cell access selecting module 2 be it is a kind of selection and control different spaces domain spectrum by or no thoroughfare
A kind of device drives light space cell access selecting module to divide spatial domain or wavelength to input light by drive control module 5
Domain is gated, and spectral coverage is very wide, has the advantages that simple in structure, small volume, spectral width is wider.It is formed
As shown in Fig. 2, including light vector scanning device 6,7 and rotating mechanism 8, when spectral module 1 is the different spaces of spectrum projection
Domain drives vector scan combination of devices to be scanned in different spatial domains, selects the light in different spaces domain using rotating mechanism 8
Spectrum passes through.Different vector scan combination of devices can form one-dimensional, two-dimentional, three-dimensional light selecting switch technique device, such as：Pass through arrow
Scanning on one direction of amount scanning device can form one-dimensional smooth selecting switch technology, and all only need a photodetection
Device can be achieved with detecting.
Photodetector 3 be to by light select break-make module light carry out opto-electronic conversion, convenient for signal processing center 4 into
Row signal processing is different from the photodetector array of other schemes herein, and cost is relatively low, and reliability is high.
Signal processing center 4 is acquired by the signal of photodetector 3, while the letter of comprehensive drive control module 5
Breath, analyzes the spectrum of input light, reaches spectral detection purpose.
Drive control module 5 is responsible for driving light space cell access selecting module 2, and realization fast and accurately controls, simultaneously
Activation bit feeds back to signal processing center 4.
Optically filtering and the inspection based on two dimension or multidimensional light-path selection technique carried out using the device of above-described embodiment
Survey method, mainly includes the following steps that：
Incident light is detached, and projects to the spatial distribution light that different spatial domains forms different spaces domain；
The spatial distribution light of control different dimensions passes through, and different spatial distribution light corresponds to different optical wavelength；
To by spatial distribution light be acquired and analyze.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (4)
1. it is a kind of based on two dimension or multidimensional light-path selection technique optically filtering and detection device, which is characterized in that including according to
Spectral module, light space cell access selecting module, photodetector and the signal processing center of secondary connection, the smooth space are single
It is also connected with drive control module between first access selecting module and the signal processing center；
The spectral module for being detached to incident light, and projects to the sky that different spatial domains forms different spaces domain
Between be distributed light；
The smooth space cell access selecting module, for controlling the space point that it selects different dimensions by the drive module
Lighting passes through, and different spatial distribution light corresponds to different optical wavelength；
The drive control module provides synchronized signal to the signal processing center simultaneously；
The photodetector is transmitted to the signal processing center by signal is detected；
It is analyzed according to the synchronized signal and the detection signal at the signal processing center.
2. optically filtering and detection device according to claim 1 based on two dimension or multidimensional light-path selection technique,
It is characterized in that, the smooth space cell access selecting module includes light vector scanner and rotating mechanism, the rotating mechanism band
It moves the vector scan device to be scanned in different spatial domains, the spatial distribution light in different spaces domain is selected to pass through.
3. optically filtering and detection device according to claim 1 based on two dimension or multidimensional light-path selection technique,
It is characterized in that, the smooth space cell access selecting module includes the combination of light vector scanner and rotating mechanism, the rotating machine
Structure drives the vector scan device combination to be scanned in different spatial domains, selects the spatial distribution light in different spaces domain logical
It crosses, adjusts the vector scan combination of devices, so that one-dimensional, two-dimentional or three-dimensional light passes through.
4. it is a kind of based on two dimension or multidimensional light-path selection technique optically filtering and detection method, which is characterized in that including with
Lower step：
Incident light is detached, and projects to the spatial distribution light that different spatial domains forms different spaces domain；
The spatial distribution light of control different dimensions passes through, and different spatial distribution light corresponds to different optical wavelength；
To by spatial distribution light be acquired and analyze.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339890A (en) * | 2000-08-22 | 2002-03-13 | 朗迅科技公司 | System and method for transfering multiple protocol formats in optical wave communication network |
| CN101082494A (en) * | 2007-06-19 | 2007-12-05 | 北京航空航天大学 | Self boundary marking method based on forecast filtering and UPF spacecraft shading device |
| CN101354831A (en) * | 2007-07-27 | 2009-01-28 | 夏普株式会社 | Free-space optical receiving apparatus and electronic device equipped with that apparatus |
| CN208596026U (en) * | 2018-07-18 | 2019-03-12 | 武汉驭光科技有限公司 | A kind of optically filtering and detection device based on two dimension or multidimensional light-path selection technique |
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- 2018-07-18 CN CN201810790178.9A patent/CN108709716A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1339890A (en) * | 2000-08-22 | 2002-03-13 | 朗迅科技公司 | System and method for transfering multiple protocol formats in optical wave communication network |
| CN101082494A (en) * | 2007-06-19 | 2007-12-05 | 北京航空航天大学 | Self boundary marking method based on forecast filtering and UPF spacecraft shading device |
| CN101354831A (en) * | 2007-07-27 | 2009-01-28 | 夏普株式会社 | Free-space optical receiving apparatus and electronic device equipped with that apparatus |
| CN208596026U (en) * | 2018-07-18 | 2019-03-12 | 武汉驭光科技有限公司 | A kind of optically filtering and detection device based on two dimension or multidimensional light-path selection technique |
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