CN212163338U - Membrane type optical fiber coding memory and identification system - Google Patents
Membrane type optical fiber coding memory and identification system Download PDFInfo
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- CN212163338U CN212163338U CN202021042261.7U CN202021042261U CN212163338U CN 212163338 U CN212163338 U CN 212163338U CN 202021042261 U CN202021042261 U CN 202021042261U CN 212163338 U CN212163338 U CN 212163338U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 78
- 239000012528 membrane Substances 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 7
- 230000006870 function Effects 0.000 abstract description 7
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 238000013500 data storage Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The utility model discloses a membrane formula optical fiber coding memory and identification system, including the multilayer monolithic fiber membrane that overlaps together, a plurality of positions that the size is the same are cut apart into to the monolithic fiber membrane, every the position can cover specific wavelength's reflectance coating as required according to the storage, the information data that the wavelength representation of corresponding reflection light wave stored on the reflectance coating. The light codes have unique identification characteristics, the film type structure with the data storage function is constructed layer by layer, films with different wavelengths are combined into different film type optical fiber codes, different optical fiber codes represent different information, and the plurality of optical fiber codes form complete information data.
Description
Technical Field
The utility model relates to an optical fiber communication field, in particular to membrane formula optic fibre coding memory and identification system.
Background
In the field of optical fiber communication, an optical fiber code is composed of a plurality of optical fiber gratings with different wavelengths, the application range of the optical fiber code is limited in optical devices such as optical fiber lasers, optical fiber filters, dispersion compensators, optical fiber grating sensors and the like, and the potential of the optical fiber gratings is not completely released.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a membrane type optical fiber coding memory, which can realize long-time storage and has low cost; the utility model also provides an identification system of membrane formula optic fibre coding memory.
According to the utility model discloses a membrane formula optical fiber coding memory of first aspect embodiment, including the multilayer monolithic fiber membrane that overlaps together, a plurality of position points that the size is the same are cut apart into to the monolithic fiber membrane, every the position point can be according to the storage needs and cover the reflectance coating of specific wavelength, the wavelength of corresponding reflection light wave on the reflectance coating represents the information data of storage.
According to the utility model discloses diaphragm type optical fiber coding identification system of first embodiment has following beneficial effect at least: the light codes have unique identification characteristics, the film type structure with the data storage function is constructed layer by layer, films with different wavelengths are combined into different film type optical fiber codes, different optical fiber codes represent different information, and the plurality of optical fiber codes form complete information data.
According to some embodiments of the first aspect of the present invention, the specific wavelength of the reflective film at each of said spots is the same and/or different.
According to some embodiments of the first aspect of the present invention, the level of the monolithic optical fiber membrane and the point location represent address information of the stored information data.
According to the second aspect of the present invention, an identification system for the film type optical fiber coding storage device comprises: the light source module is used for outputting a light wave signal for testing; the circulator is provided with a first port, a second port and a third port, and the first port is connected with the output end of the light source module; the input end of the optical fiber is connected with the second port of the circulator, and the output end of the optical fiber is connected with the film type optical fiber coding memory; the input end of the waveform detector is connected with the third port of the circulator; and the main controller is electrically connected with the light source module and the waveform detector respectively.
According to the utility model discloses membrane type optical fiber coding memory's identification system of second embodiment has following beneficial effect at least: the film type optical fiber code memory is specially used for the film type optical fiber code memory and is equivalent to a reader of the film type optical fiber code memory, the film type optical fiber code memory has unique identification characteristics through light codes, the film type optical fiber code memory is constructed into a film type structure with a data storage function layer by layer, films with different wavelengths are combined into different film type optical fiber codes, different optical fiber codes represent different information, and a plurality of optical fiber codes form complete information data.
According to some embodiments of the second aspect of the present invention, the light source module includes a driver capable of adjusting an output current and a light source driven by the driver, the driver and the main controller are electrically connected.
According to some embodiments of the second aspect of the present invention, the light source employs a narrow bandwidth light source or a pulsed light source.
According to some embodiments of the second aspect of the present invention, the light source module further comprises a first SOA optical switch electrically connected to the main controller, the first SOA optical switch is connected between the light source and the first port of the circulator, the light source is a high bandwidth light source; and a second SOA optical switch is arranged between the input end of the waveform detector and the third port of the circulator and is electrically connected with the main controller.
According to some embodiments of the second aspect of the present invention, the waveform detector employs a demodulator for realizing the separation and wavelength measurement of the light wave.
According to some embodiments of the second aspect of the present invention, the main controller employs an FPGA controller.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic plan view of a film type optical fiber coding memory according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a planar structure of a single optical fiber membrane according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural diagram of a film type optical fiber coding memory according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a film type optical fiber coding memory identification system according to an embodiment of the second aspect of the present invention.
Reference numerals:
the light source module 100, the driver 110, the light source 120, the first SOA optical switch 130, and the second SOA optical switch 140;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to fig. 3, a film-type optical fiber coding memory according to an embodiment of the first aspect of the present disclosure includes a plurality of stacked monolithic optical fiber films 403, where the monolithic optical fiber films 403 are divided into a plurality of point locations 402 with the same size, each of the point locations may be covered with a reflective film 401 with a specific wavelength according to a storage requirement, and a wavelength of a corresponding reflected light wave on the reflective film 401 represents stored information data.
The light codes have unique identification characteristics, the film type structure with the data storage function is constructed layer by layer, films with different wavelengths are combined into different film type optical fiber codes, different optical fiber codes represent different information, and the plurality of optical fiber codes form complete information data.
In some embodiments of the first aspect of the present invention, the specific wavelength of the reflective film 401 at each of said spots is the same and/or different.
In some embodiments of the first aspect of the present invention, the level of the monolithic optical fiber membrane 403 and the point location 402 represent address information of the stored information data, and the level of the monolithic optical fiber membrane 403 is an upper address of the point location 402.
As shown in fig. 4, the identification system of the film type optical fiber coding memory according to the second embodiment of the present invention includes: a light source module 100 for outputting a light wave signal for testing; a circulator 200, wherein the circulator 200 has a first port, a second port and a third port, and the first port is connected with the output end of the light source module 100; the input end of the optical fiber 300 is connected with the second port of the circulator 200, and the output end of the optical fiber 300 is connected with the film type optical fiber coding memory 400; the input end of the waveform detector 500 is connected with the third port of the circulator 200; the main controller 600 is electrically connected to the light source module 100 and the waveform detector 500, respectively.
The working process is that the master controller 600 controls the light source module 100 to output a light wave signal, the light wave signal enters through the first port of the circulator 200, the light wave signal is output to the optical fiber 300 and the film type optical fiber coding memory 400 through the second port, the light wave with a specific wavelength is reflected by the film type optical fiber coding memory 400, the light wave signal sequentially passes through the optical fiber 300, the second port of the circulator 200 and the third port of the circulator 200, and the reflected light wave is obtained by the waveform detector 500 and fed back to the master controller 600; the master controller 600 obtains the film fiber code for the wavelength of the reflected light wave.
In some embodiments of the second aspect of the present invention, the light source module 100 includes a driver 110 capable of adjusting the output current and a light source 120 driven by the driver 110, the driver 110 is electrically connected to the main controller 600, the driver 110 supplies power to the light source, the driver 110 is controlled by the main controller 600, and the output current is controlled according to the light intensity threshold of the test point on the calculated optical fiber, so as to control the light intensity of the light source 120.
In some embodiments of the second aspect of the present invention, the light source 120 is a narrow bandwidth light source or a pulsed light source.
In view of the larger wavelength band required by the optical fiber coding, in some embodiments of the first aspect of the present invention, the light source 120 employs the large bandwidth light source module 100, which further includes a first SOA optical switch 130 electrically connected to the main controller 600, the first SOA optical switch 130 is connected between the light source 120 and the first port of the circulator 200; a second SOA optical switch 140 is arranged between the input end of the waveform detector 500 and the third port of the circulator 200, and the second SOA optical switch 140 is electrically connected with the main controller 600.
The first SOA optical switch 130, the second SOA optical switch 140 and other two SOA optical switches have high-speed on and off functions, and simultaneously have a light wave amplification function. The two SOAs form pulse control of light wave sending and receiving, so that the light wave is input into the optical fiber, the optical fiber is connected to reflect and scatter the light wave, and the light intensity transmission distance is obtained by multiplying the opening and closing time difference between the two by the light speed.
In some embodiments of the second aspect of the present invention, the waveform detector 500 preferably employs a demodulator for realizing the separation of light waves and the wavelength measurement.
In some embodiments of the two aspects of the present invention, the main controller 600 preferably employs an FPGA controller.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A kind of membrane type optical fiber code memory, characterized by that: the optical fiber storage device comprises a plurality of layers of overlapped monolithic optical fiber films (403), wherein the monolithic optical fiber films (403) are divided into a plurality of point locations (402) with the same size, each point location (402) can be coated with a reflecting film (401) with a specific wavelength according to storage requirements, and the wavelength of a corresponding reflected light wave on the reflecting film (401) represents stored information data.
2. The film-type optical fiber coding memory according to claim 1, wherein: the specific wavelength of the reflective film (401) at each of said spots (402) is the same and/or different.
3. The film-type optical fiber coding memory according to claim 1, wherein: the level of the monolithic optical fiber membrane (403) and the point location represent address information of the stored information data.
4. An identification system for use in the film-type optical fiber code storage device according to any one of claims 1 to 3, wherein: comprises that
A light source module (100) for outputting a light wave signal for testing;
a circulator (200), wherein the circulator (200) is provided with a first port, a second port and a third port, and the first port is connected with the output end of the light source module (100);
the input end of the optical fiber (300) is connected with the second port of the circulator (200), and the output end of the optical fiber (300) is connected with the film type optical fiber coding memory;
the input end of the waveform detector (500) is connected with the third port of the circulator (200);
and the main controller (600) is respectively electrically connected with the light source module (100) and the waveform detector (500).
5. The identification system of a film-type optical fiber code storage device according to claim 4, wherein: the light source module (100) comprises a driver (110) capable of adjusting output current and a light source (120) driven by the driver (110), wherein the driver (110) is electrically connected with the main controller (600).
6. The identification system of a film-type optical fiber code storage device according to claim 5, wherein: the light source (120) adopts a narrow-bandwidth light source or a pulse light source.
7. The identification system of a film-type optical fiber code storage device according to claim 5, wherein: the light source module (100) further comprises a first SOA optical switch (130) electrically connected with the main controller (600), the first SOA optical switch (130) is connected between the light source (120) and the first port of the circulator (200), and the light source (120) adopts a high-bandwidth light source; and a second SOA optical switch (140) is arranged between the input end of the waveform detector (500) and the third port of the circulator (200), and the second SOA optical switch (140) is electrically connected with the main controller (600).
8. The identification system of a film-type optical fiber code storage device according to claim 4, wherein: the waveform detector (500) adopts a demodulator for realizing the separation of light waves and the measurement of wavelengths.
9. The identification system of a film-type optical fiber code storage device according to claim 4, wherein: the main controller (600) adopts an FPGA controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021042261.7U CN212163338U (en) | 2020-06-08 | 2020-06-08 | Membrane type optical fiber coding memory and identification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021042261.7U CN212163338U (en) | 2020-06-08 | 2020-06-08 | Membrane type optical fiber coding memory and identification system |
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| CN212163338U true CN212163338U (en) | 2020-12-15 |
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| CN202021042261.7U Active CN212163338U (en) | 2020-06-08 | 2020-06-08 | Membrane type optical fiber coding memory and identification system |
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