CN208596026U - A kind of optically filtering and detection device based on two dimension or multidimensional light-path selection technique - Google Patents
A kind of optically filtering and detection device based on two dimension or multidimensional light-path selection technique Download PDFInfo
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Abstract
The utility model proposes a kind of based on two-dimentional or multidimensional light-path selection technique optically filtering and detection device, including sequentially connected spectral module, light space cell access selecting module, photodetector and signal processing center, drive control module is also connected between the smooth space cell access selecting module and the signal processing center；The spectral module for separating 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 gives the signal processing center to provide synchronized signal simultaneously；The photodetector will test signal and be transmitted to the signal processing center；It is analyzed according to the synchronized signal and the detection signal at the signal processing center.
Description
Technical field
The utility model relates to optical fields, more particularly to one kind to select skill based on two dimension or multidimensional light space cell access
The optically filtering and detection device of art.
Background technique
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 space of large capacity, faster speed and bigger bandwidth have become not
The inevitable development trend for carrying out Fibre Optical Communication Technology, how to ensure optic communication quality be it is particularly significant, currently with spectral detection original
The performance for managing real-time detection optical channel, monitors the quality of communication link.Solution technical solution involved in the prior art has fastly
Speed stablizes feature, but volume is big, and precision is low, while it uses detector array, higher cost.
Utility model content
The technical problem to be solved by the present invention is to big for optically filtering and detection device volume in the prior art,
Precision is low, while using detector array, the defect of higher cost, provides that a kind of structure is simple, at low cost, high reliablity, width
The optically filtering and detection device based on two dimension or multidimensional light-path selection technique of spectrum.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of optically filtering and detection device based on two dimension or multidimensional light-path selection technique is provided, including is sequentially connected
Spectral module, light space cell access selecting module, photodetector and signal processing center, the smooth space cell access
Drive control module is also connected between selecting module and the signal processing center；
The spectral module for separating 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 gives the signal processing center to provide synchronized signal simultaneously；
The photodetector will test signal and be transmitted to the signal processing center；
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 utility model additionally provides a kind of based on two-dimentional or multidimensional light-path selection technique optically filtering and detection side
Method, comprising the following steps:
Incident light is separated, 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；
The spatial distribution light passed through is acquired and is analyzed.
The beneficial effect that the utility model generates is: the utility model is being driven by light space cell access selecting module
The spatial distribution light of the lower selection different dimensions of dynamic model block control passes through, to realize one-dimensional, two-dimentional or multidimensional light-path, simplifies
Structure, it is only necessary to which a photodetector can reach the effect and function of former detector array, reduce costs, and mention
The high reliability of device.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is optically filtering and detection device of the utility model embodiment based on two dimension or multidimensional light-path selection technique
Structural schematic diagram；
Fig. 2 is the utility model embodiment light space cell access selecting module structural schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
The optically filtering and detection device based on two dimension or multidimensional light-path selection technique of the utility model embodiment, such as
Shown in Fig. 1, including sequentially connected spectral module 1, light space cell access selecting module 2, photodetector 3 and signal processing
Center 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 separating 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 distributions
Light corresponds to different optical wavelength；Because of light space cell access selecting module 2, difference is formd by the driving of drive control module 5
The spatial distribution of wavelength, 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 will test signal and be transmitted to the signal processing center 4；
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 synchronization signal to
Signal processing center 4；The signal that signal processing center 4 is detected according to driving 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 is that a kind of selection and control different spaces domain spectrum pass through 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
The advantages that domain is gated, and spectral coverage is very wide, and it is simple to have a 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 selection switching technique device, such as: passing through arrow
Scanning on amount one direction of scanning device can form one-dimensional light selection switching technique, and all only need a photodetection
Device can be achieved with detecting.
Photodetector 3 be to by light select on-off module light carry out photoelectric 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, high reliablity.
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 comprises the steps that
Incident light is separated, 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；
The spatial distribution light passed through is acquired and is analyzed.
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 all should belong to the protection scope of the appended claims for the utility model.
Claims (3)
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
Drive control module is also connected between first access selecting module and the signal processing center；
The spectral module for separating 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 its sky for selecting different dimensions by the drive control module
Between distribution light pass through, different spatial distribution light corresponds to different optical wavelength；
The drive control module gives the signal processing center to provide synchronized signal simultaneously；
The photodetector will test signal and be transmitted to the signal processing center；
It is analyzed according to the synchronized signal and the detection signal at the signal processing center.
2. the 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. the 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.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709716A (en) * | 2018-07-18 | 2018-10-26 | 武汉驭光科技有限公司 | Optically filtering based on two dimension or multidimensional light-path selection technique and detection device and method |
| CN110132413A (en) * | 2019-05-07 | 2019-08-16 | 武汉驭光科技有限公司 | High precision wide range spectral method of detection and device |
-
2018
- 2018-07-18 CN CN201821168962.8U patent/CN208596026U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709716A (en) * | 2018-07-18 | 2018-10-26 | 武汉驭光科技有限公司 | Optically filtering based on two dimension or multidimensional light-path selection technique and detection device and method |
| CN108709716B (en) * | 2018-07-18 | 2024-06-18 | 武汉驭光科技有限公司 | Optical filtering and detecting device and method based on two-dimensional or multidimensional optical path selection technology |
| CN110132413A (en) * | 2019-05-07 | 2019-08-16 | 武汉驭光科技有限公司 | High precision wide range spectral method of detection and device |
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