CN109547097A - Optical signal transmitting device capable of monitoring light intensity - Google Patents
Optical signal transmitting device capable of monitoring light intensity Download PDFInfo
- Publication number
- CN109547097A CN109547097A CN201710866243.7A CN201710866243A CN109547097A CN 109547097 A CN109547097 A CN 109547097A CN 201710866243 A CN201710866243 A CN 201710866243A CN 109547097 A CN109547097 A CN 109547097A
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- Prior art keywords
- optical
- optical signal
- semiconductor laser
- light
- connector adapter
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- 230000003287 optical effect Effects 0.000 title claims abstract description 120
- 238000012544 monitoring process Methods 0.000 title abstract description 6
- 239000004065 semiconductor Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 3
- 238000013139 quantization Methods 0.000 abstract 1
- 238000004891 communication Methods 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 239000003086 colorant Substances 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 238000003780 insertion Methods 0.000 description 1
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- 239000012528 membrane Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention provides an optical signal transmitting device capable of monitoring light intensity, which comprises: optical fiber connection adapter, semiconductor laser, optical fiber connection adapter, the coaxial level of semiconductor laser place optical attenuation mechanism and light signal receiver set up between optical fiber connection adapter, the semiconductor laser, the light signal that semiconductor laser launches divide into two parts, first part light signal gets into after the optical attenuation mechanism decay optical fiber connection adapter, the second part light signal process optical attenuation mechanism reflection after get into the light signal receiver that can detect the light intensity, light signal receiver with the light intensity quantization and export to display device and show. The optical signal transmitting device capable of monitoring the light intensity can measure the light intensity.
Description
Technical field
The present invention relates to optical signal launcher, in particular to a kind of optical signal launcher that can monitor luminous intensity.
Background technique
Fiber optic communication is exactly to utilize fiber optic transmission signal, to realize a kind of communication mode of information transmitting.Actually answer
The not single optical fiber that optical fiber telecommunications system in uses, the optical cable for the composition that many optical fiber flock together.This
Kind communication mode is to generate with the development of science and technology, and fiber optic communication is using light wave as carrier wave, the most with optical fiber
Transmission medium reaches the intercommunication of information.
Optical communication transmission device is based on electro-optic conversion principle, by carrying out electric shock to photoelectricity laser (Laser Diode)
It encourages, to convert electrical signals to the optical signal that can be transmitted in a fiber.Conventional optical signal launch transmission apparatus is only capable of
The transmission of optical signal is carried out, and the size of institute's luminous signal intensity can not be detected and be judged, the prior art is not able to satisfy
The above demand.
Summary of the invention
More than solving the problems, such as, one kind of the present invention can monitor the optical signal launcher of luminous intensity.
The invention discloses the optical signal launchers that one kind can monitor luminous intensity, comprising: optical connector adapter is partly led
Body laser, the optical connector adapter, semiconductor laser are coaxially horizontally arranged, and connect adaptation in the optical fiber
Optical attenuator mechanism is set between device, semiconductor laser and optical signal receiver, the semiconductor laser come out
Optical signal be divided into two parts, first part's optical signal enters the optical fiber after the decaying of optical attenuator mechanism and connects adaptation
Device, the entrance after the optical attenuator mechanism reflection of second part optical signal can detect the optical signal receiver of light intensity, described
Optical signal receiver light intensity is quantified and is exported to display device to be shown.
Further, the optical attenuator mechanism includes that optics partly declines piece, what the semiconductor laser was emitted
Optical signal, the optics partly decline piece normal and the optical connector adapter, semiconductor laser line in 45 degree
Setting, after the optics partly declines piece, 50% optical intensity transmission enters the optical connector adapter, passes for signal
It is defeated；50% luminous intensity is reflected into the optical signal receiver in 90 degree, reflects into institute through what the optics partly declined piece
The optical signal receiver stated carries out light signal strength detection.
Further, the optical signal receiver includes:
Illumination acquisition unit, for acquiring the second part optical signal；
Photoelectric conversion unit, for the second part optical signal to be carried out photoelectric conversion into current signal；
Detection unit, for detecting the current signal and showing numerical values recited.
Further, the illumination acquisition unit includes photosensitive sensor.
Further, the optical connector adapter, semiconductor laser, optical attenuator mechanism and optical signal receiver
It is all set on metal tube socket.
Further, the entering light portion of the illumination acquisition unit of the optical signal receiver is perpendicular to half volumetric laser
The line of device and optical connector adapter.
The optical signal launcher of luminous intensity can be monitored by implementing one kind of the invention, have technical effect beneficial below:
It is different from the prior art what middle optical communication transmission device can not be detected and be judged to the size of institute's luminous signal intensity
Light intensity is quantified and is exported to display device to be shown, to measure light intensity by deficiency, the technical program by reflecting light
Size.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the optical signal launcher module map that the embodiment of the present invention can monitor luminous intensity.
Fig. 2 is the optical signal optical path schematic diagram that the embodiment of the present invention can monitor luminous intensity.
Fig. 3 is the functional block diagram of the optical signal receiver in Fig. 1.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1 and Fig. 2, a kind of optical signal launcher 1 monitoring luminous intensity, comprising: optical connector adapter 10,
Semiconductor laser 20.Optical connector adapter 10, semiconductor laser 20 are coaxially horizontal positioned.In optical connector adapter
10, optical attenuator mechanism 30 and optical signal receiver 50 are set between semiconductor laser 20.
The optical signal that semiconductor laser 20 emits is divided into two parts, and first part's optical signal is through optical attenuator mechanism
Enter optical connector adapter 10 after decaying, the entrance after the reflection of optical attenuator mechanism 30 of second part optical signal can detect light intensity
Optical signal receiver 50, light intensity quantifies and exported to display device to be shown by optical signal receiver 50.
Optical connector adapter 10, semiconductor laser 20, optical attenuator mechanism 30 and optical signal receiver 50 are respectively provided with
In on metal tube socket 60.
Preferably, optical attenuator mechanism 30 includes that optics partly declines piece.
Optical attenuator mechanism 30(optical attenuator) it is a kind of very important fibre optics passive device, it can be wanted by user
It asks and light signal energy is expectedly decayed, be usually used in absorbing or reflect away optical power surplus, the loss of assessment system and each
In kind test.
Decaying is made using the doped-glass for having high-selenium corn to act in usual evaporation or sputtering metal membrane on a glass substrate
Piece.Required attenuation is obtained by the method for the doping and its thickness of control coating film thickness or control glass, it is also useful
Attenuator is made in coupling loss when two sections of fiber alignments.
Using substance to the absorption characteristic of light, sheet is made, is placed in optical path, it can be by light intensity attenuation, this champion
Part is optical attenuator.
Reflective light intensity principle related with film thickness using light in metal film surfaces is made.If in glass substrate
The thickness of the metallic film of vapor deposition is fixed, and fixed optical attenuation piece is just made.If oblique insertion is vapor-deposited with different thickness in a fiber
A series of cured glass substrate of collar plate shape metal foils of degree makes the metallic film for being inserted into different-thickness in optical path, can change anti-
Different attenuations can be obtained in the intensity for penetrating light, and variable attenuation piece is made.
The optical signal that semiconductor laser 20 is emitted, after optics partly declines piece, 50% optical intensity transmission, into optical fiber
Adapter 10 is connected, is transmitted for signal；50% luminous intensity enters optical signal receiver 50 in 90 degree of reflections, through optics half
Decline piece reflect into optical signal receiver 50 carry out light signal strength detection.
Due to optics partly decline piece reflection and transmittance it is constant, examined by the reception signal of optical signal receiver 50
It surveys, luminous intensity monitoring is carried out to the optical signal for the optical connector adapter 10 for entering optical fiber head to realize.
Optics partly decline piece normal and optical connector adapter 10, semiconductor laser 20 line in 45 degree be arranged.
Referring to Fig. 3, optical signal receiver 50 includes:
Illumination acquisition unit 501, for acquiring the second part optical signal；
Photoelectric conversion unit 502, for second part optical signal to be carried out photoelectric conversion into current signal；
Photoelectric conversion unit 502 can be photodiode, CCD (charge coupled cell) or CMOS and (partly lead complementary oxidized metal
Body) etc..
The tube core of light emitting diode is also a PN junction, and has unilateral conduction.When PN junction adds forward voltage, electronics
Get over (diffusion) by the area N to give off energy to space-charge region with hole-recombination.These energy are most of in luminous form
Occur, therefore, can directly convert electric energy to luminous energy.The luminescent color (wavelength) of light emitting diode, be stranded semiconductor material and
Doping component is different and different.There are commonly the light emitting diodes of the colors such as yellow, green, red.
Detection unit 503 for sensed current signal and shows numerical values recited.
Detection unit 503 includes the ammeter and conducting wire being connected with photoelectric conversion unit 502.
Generally, luminous intensity is big, then electric current is also big, and luminous intensity is small, then electric current is also small.It, can be with electric current when initial testing
Size on the basis of, establish size of current and Optical power values size corresponding relation database.It, can be from correspondence when later period tests
The range of size of current is searched in relational database, so as to deduce the range of luminous intensity.
Illumination acquisition unit 501 includes photosensitive sensor.
Optics partly decline piece normal and optical connector adapter 10, semiconductor laser 20 line in 45 degree be arranged, with
Ensure that reflected light is all received with the entering light portion that 90 degree of angle enters optical signal receiver 50.
Semiconductor laser 20 in Fig. 1 can be light emitting diode, laser diode (LD) or radiation light emitting diode
(LID) etc.；Illumination acquisition unit 501, photoelectric conversion unit 502, detection unit 503 and photosensitive sensor are controlled with MCU respectively
Unit processed passes through RS-232 or RS-485 mouthfuls of connection.
The optical signal launcher of luminous intensity can be monitored by implementing one kind of the invention, have technical effect beneficial below:
It is different from the prior art what middle optical communication transmission device can not be detected and be judged to the size of institute's luminous signal intensity
Light intensity is quantified and is exported to display device to be shown, to measure light intensity by deficiency, the technical program by reflecting light
Size.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. the optical signal launcher that one kind can monitor luminous intensity, comprising: optical connector adapter, semiconductor laser, it is described
Optical connector adapter, semiconductor laser is coaxially horizontally arranged, which is characterized in that the optical connector adapter,
Optical attenuator mechanism and optical signal receiver, the light that the semiconductor laser comes out are set between semiconductor laser
Signal is divided into two parts, and first part's optical signal enters the optical connector adapter after the decaying of optical attenuator mechanism, the
Two part optical signals are after the optical attenuator mechanism reflection into the optical signal receiver that can detect light intensity, the light letter
Light intensity is quantified and is exported to display device to be shown by number receiver.
2. optical signal launcher according to claim 1, which is characterized in that the optical attenuator mechanism includes optics
Partly decline piece, the optics partly decline piece normal and the optical connector adapter, semiconductor laser line in 45 degree
Setting, the optical signal that the semiconductor laser is emitted, after the optics partly declines piece, 50% optical intensity transmission into
Enter the optical connector adapter, is transmitted for signal；50% luminous intensity is reflected into the optical signal in 90 degree and connects
Device is received, carries out light signal strength detection through partly the decline optical signal receiver that reflects into of piece of the optics.
3. optical signal launcher according to claim 1 or 2, which is characterized in that the optical signal receiver includes:
Illumination acquisition unit, for acquiring the second part optical signal；
Photoelectric conversion unit, for the second part optical signal to be carried out photoelectric conversion into current signal；
Detection unit, for detecting the current signal and showing numerical values recited.
4. optical signal launcher according to claim 3, which is characterized in that the illumination acquisition unit includes photosensitive
Sensor.
5. optical signal launcher according to any one of claims 1 to 4, which is characterized in that the optical fiber connection is suitable
Orchestration, semiconductor laser, optical attenuator mechanism and optical signal receiver are all set on metal tube socket.
6. optical signal launcher according to claim 3, which is characterized in that the illumination of the optical signal receiver is adopted
Collect line of the entering light portion perpendicular to half body laser and optical connector adapter of unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866243.7A CN109547097A (en) | 2017-09-22 | 2017-09-22 | Optical signal transmitting device capable of monitoring light intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710866243.7A CN109547097A (en) | 2017-09-22 | 2017-09-22 | Optical signal transmitting device capable of monitoring light intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109547097A true CN109547097A (en) | 2019-03-29 |
Family
ID=65830486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710866243.7A Pending CN109547097A (en) | 2017-09-22 | 2017-09-22 | Optical signal transmitting device capable of monitoring light intensity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109547097A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794529A (en) * | 2020-01-06 | 2020-02-14 | 成都新易盛通信技术股份有限公司 | Optical assembly and system thereof |
| CN113965257A (en) * | 2021-09-24 | 2022-01-21 | 袁艳 | Signal intensity indicating circuit applied to optical receiver and control method thereof |
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