CN113193912B - Light emitter detection device - Google Patents
Light emitter detection device Download PDFInfo
- Publication number
- CN113193912B CN113193912B CN202110408583.1A CN202110408583A CN113193912B CN 113193912 B CN113193912 B CN 113193912B CN 202110408583 A CN202110408583 A CN 202110408583A CN 113193912 B CN113193912 B CN 113193912B
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- CN
- China
- Prior art keywords
- lens
- detection device
- receiver
- emitter
- transmitter
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- 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
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- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention discloses a light emitter detection device, which comprises a bottom plate and a top plate, wherein a transmitter serving as a laser light source is arranged in the middle of the detection device on the bottom plate, one end of the detection device is provided with a receiver for detecting luminous power, and the other end of the detection device is provided with an opening; be equipped with the wedge surface beam splitter of installing on the roof directly over the transmitter, be equipped with the collector lens of installing on the roof directly over the receiver, one side that the wedge surface beam splitter is close to the receiver is collector lens, and the opposite side is collimation lens, and the wedge surface beam splitter is divided into two bundles with the light beam that the transmitter sent out, and one of them bundle sends out through collector lens and reflects collector lens, and rethread collector lens reflects the receiver, and another bundle sends to the opening of detection device one end through collimating lens. The transmitter, the receiver, the lens and other components in the detection device are all arranged on the bottom plate, the light path beam splitting is realized through the specific wedge surface combined lens, the installation process is simple, and the assembly cost is saved.
Description
Technical Field
The present disclosure relates to inspection devices, and particularly to an optical emitter inspection device.
Background
The optical module is the most important optical signal interface device in an optical fiber communication system, according to a communication protocol, the optical module has a function of monitoring luminous power in real time, the monitoring principle is that a receiver MPD is placed in a light emitter, most of light is output to an optical fiber after being emitted, the other small part of light is transferred to the receiver MPD, and the optical power output to the optical fiber is detected through the magnitude of current on the receiver MPD.
Disclosure of Invention
The invention aims to: the invention aims to provide a light emitter detection device for realizing light splitting through a physical structure.
The technical scheme is as follows: the invention relates to a light emitter detection device, which comprises a bottom plate and a top plate, wherein a transmitter serving as a laser light source is arranged in the middle of the detection device on the bottom plate, one end of the detection device is provided with a receiver used for detecting luminous power, the other end of the detection device is provided with an opening, a wedge surface beam splitter installed on the top plate is arranged right above the transmitter, and a condensing lens installed on the top plate is arranged right above the receiver.
The side, close to the receiver, of the wedge surface beam splitter is provided with a condensing lens, the other side of the wedge surface beam splitter is provided with a collimating lens, the wedge surface beam splitter divides light emitted by the emitter into two beams, one beam is emitted to the condensing lens through the condensing lens and then reflected to the receiver through the condensing lens, and the other beam is emitted to an opening in one end of the detection device through the collimating lens.
In the invention, a base which covers the emitter and the receiver is arranged on the bottom plate, lenses are arranged on the parts of the base which are positioned above the emitter and the receiver, a fixer which can be inserted into an optical fiber jumper is arranged at one end of an opening of the detection device, a lens is arranged at one end of the fixer which is positioned in the detection device, and the collimating lens reflects light beams into the lenses and enters the optical fiber jumper.
Wherein the outward open end of the retainer is larger and the inward open end is smaller.
The detection device is a sealed cuboid made of injection-molded full polymer.
Has the advantages that: compared with the prior art, the invention has the following remarkable advantages: the transmitter, the receiver, the lens and other components in the detection device are all arranged on the bottom plate, light path beam splitting is achieved through the specific wedge surface combined lens, the installation process is simple, and the assembly cost is saved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
The light emitter detection device comprises a bottom plate 4 and a top plate 5, wherein a transmitter 7 serving as a laser light source is arranged in the middle of the detection device on the bottom plate 4, one end of the detection device is provided with a receiver 8 used for detecting luminous power, and the other end of the detection device is provided with an opening.
The transmitter 7 may be a surface emitting laser VCSEL and the receiver 8 may be an MPD receiver, a detector, or the like.
A wedge surface beam splitter 9 arranged on the top plate 5 is arranged right above the emitter 7, and a condensing lens 3 arranged on the top plate 5 is arranged right above the receiver 8.
One side of the wedge surface beam splitter 9 close to the receiver 8 is a condensing lens 2, and the other side is a collimating lens 1.
The wedge surface beam splitter 9 splits the light emitted from the emitter 7 into two beams, wherein one beam is emitted through the condenser lens 2 and reflected to the condenser lens 3, and then reflected to the receiver 8 through the condenser lens 3, and the other beam is emitted through the collimating lens 1 to the opening at one end of the detection device.
The base plate 4 is provided with a base 6 covering the emitter 7 and the receiver 8, and the parts of the base 6 above the emitter 7 and the receiver 8 are provided with lenses.
One end of the detection device installation opening is provided with a holder 10 into which an optical fiber jumper 12 can be inserted.
The end of the holder 10 inside the detection device is provided with a lens 11, and the collimating lens 1 reflects the light beam into the lens 11 and into the optical fiber jumper 12.
The holder 10 has a larger outward opening end and a smaller inward opening end.
The detection device is injection molding full polymer.
The detection device is a sealed cuboid.
When the transmitter 7 is a surface emitting laser VCSEL, for example, a 1 × 4 array, the optical path propagation is a multi-path parallel transmission, that is, a VCSEL multi-path parallel transmission is realized.
Claims (7)
1. The light emitter detection device is characterized by comprising a bottom plate (4) and a top plate (5), wherein a transmitter (7) serving as a laser light source is arranged in the middle of the detection device on the bottom plate (4), one end of the detection device is provided with a receiver (8) used for detecting luminous power, and the other end of the detection device is provided with an opening; be equipped with wedge face beam splitter (9) of installing on roof (5) directly over transmitter (7), be equipped with condensing lens (3) of installing on roof (5) directly over receiver (8), one side that wedge face beam splitter (9) are close to receiver (8) is condensing lens (2), and the opposite side is collimating lens (1), wedge face beam splitter (9) divide the light-splitting that transmitter (7) were sent out into two bundles, and wherein a beam sends through condensing lens (2) and reflects condensing lens (3), and rethread condensing lens (3) reflect receiver (8), and another bundle is transmitted to the opening of detection device one end through collimating lens (1).
2. A photo-emitter testing device according to claim 1, characterized in that the base plate (4) is provided with a base (6) covering the emitter (7) and the receiver (8), and the base (6) is provided with a lens at the portion above the emitter (7) and the receiver (8).
3. A light emitter test device according to claim 1, wherein one end of the test device mounting opening is provided with a holder (10) into which an optical fiber jumper (12) can be inserted.
4. A light emitter test device according to claim 1 or 3, characterized in that the holder (10) is provided with a lens (11) at its end inside the test device, and the collimator lens (1) reflects the light beam into the lens (11) and into the optical fiber jumper (12).
5. A light emitter test device according to claim 3, wherein said holder (10) has a larger outward opening end and a smaller inward opening end.
6. The light emitter testing device according to claim 1, wherein the testing device is an injection molded all polymer.
7. The photo-emitter testing device according to claim 1, wherein the testing device is a sealed rectangular parallelepiped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408583.1A CN113193912B (en) | 2021-04-16 | 2021-04-16 | Light emitter detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110408583.1A CN113193912B (en) | 2021-04-16 | 2021-04-16 | Light emitter detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113193912A CN113193912A (en) | 2021-07-30 |
| CN113193912B true CN113193912B (en) | 2023-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110408583.1A Active CN113193912B (en) | 2021-04-16 | 2021-04-16 | Light emitter detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113193912B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210833864U (en) * | 2019-10-11 | 2020-06-23 | 大族激光科技产业集团股份有限公司 | Power feedback detection device and laser equipment |
| CN111895446A (en) * | 2019-05-06 | 2020-11-06 | 中国科学院长春光学精密机械与物理研究所 | Laser ignition instrument, laser ignition system and optical path quantitative detection method |
| CN112612065A (en) * | 2020-12-31 | 2021-04-06 | 苏州亚感光电科技有限公司 | Coaxial optical fiber sensor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000036121A (en) * | 1998-07-17 | 2000-02-02 | Hitachi Ltd | Optical head |
| US10048197B2 (en) * | 2015-04-28 | 2018-08-14 | Taiwan Biophotonic Corporation | Optical measurement device and optical measurement method |
-
2021
- 2021-04-16 CN CN202110408583.1A patent/CN113193912B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111895446A (en) * | 2019-05-06 | 2020-11-06 | 中国科学院长春光学精密机械与物理研究所 | Laser ignition instrument, laser ignition system and optical path quantitative detection method |
| CN210833864U (en) * | 2019-10-11 | 2020-06-23 | 大族激光科技产业集团股份有限公司 | Power feedback detection device and laser equipment |
| CN112612065A (en) * | 2020-12-31 | 2021-04-06 | 苏州亚感光电科技有限公司 | Coaxial optical fiber sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113193912A (en) | 2021-07-30 |
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