CN105116500A - Optical engine and optical communication device - Google Patents
Optical engine and optical communication device Download PDFInfo
- Publication number
- CN105116500A CN105116500A CN201510615513.8A CN201510615513A CN105116500A CN 105116500 A CN105116500 A CN 105116500A CN 201510615513 A CN201510615513 A CN 201510615513A CN 105116500 A CN105116500 A CN 105116500A
- Authority
- CN
- China
- Prior art keywords
- reflecting surface
- light
- light engine
- lens
- fresnel lens
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses an optical engine which has emitted light focusing and monitoring functions, and is compact in structure and is easy to manufacture. The optical engine includes a Fresnel lens, a first reflection plane, a second reflection plane, a third reflection plane, a first aspheric lens, and a second aspheric lens, the Fresnel lens is arranged on the optical path of the emitted light, the emitted light is divided into two paths of emitted light via the Fresnel lens,the transmission direction of one path of the emitted light is changed via the first reflection plane and the second reflection plane successively and the path of the emitted light is focused into a monitor via the first aspheric lens, and the transmission direction of the other path of the emitted light is changed via the third reflection plane and the path of the emitted light is focused into a fiber via the second aspheric lens.
Description
Technical field
The present invention relates to technical field of photo communication, particularly relate to a kind of light engine and optical communication apparatus.
Background technology
International existing light engine has concurrently utilizing emitted light and focuses on and monitoring two functions.
But the difficulty of processing of light engine is large at present, therefore urgently provides a kind of light engine of compact conformation.
Summary of the invention
A kind of light engine in the present invention, has concurrently and focuses on and monitoring function utilizing emitted light, and compact conformation, be easy to processing.
A kind of light engine in the present invention, comprising: Fresnel lens, the first reflecting surface, the second reflecting surface, the 3rd reflecting surface, the first non-globe lens and the second non-globe lens;
Radiative light path arranges Fresnel lens, and utilizing emitted light is divided into two-way emergent light via Fresnel lens;
Wherein, a road emergent light successively through the first reflecting surface and the second reflecting surface change propagation direction, then via the first aspheric lens focus in watch-dog;
Another road emergent light through the 3rd reflecting surface change propagation direction, then via the second aspheric lens focus in optical fiber.
Optionally,
First reflecting surface, the second reflecting surface and the 3rd reflecting surface are fully reflecting surface.
Optionally,
Utilizing emitted light is provided by vertical cavity surface emitting laser.
Optionally,
Vertical cavity surface emitting laser and watch-dog are integrated on one piece of PCB.
Optionally,
First reflecting surface and the second reflecting surface Relative vertical are arranged.
Optionally,
Light engine is by resin injection molding.
Optionally
Present invention also offers a kind of light engine, above-mentioned Fresnel lens is replaced with expansion Fresnel lens.
Present invention also offers a kind of optical communication apparatus, the light engine that this device is installed comprises:
Fresnel lens, the first reflecting surface, the second reflecting surface, the 3rd reflecting surface, the first non-globe lens and the second non-globe lens;
Radiative light path arranges Fresnel lens, and utilizing emitted light is divided into two-way emergent light via Fresnel lens;
Wherein, a road emergent light successively through the first reflecting surface and the second reflecting surface change propagation direction, then via the first aspheric lens focus in watch-dog;
Another road emergent light through the 3rd reflecting surface change propagation direction, then via the second aspheric lens focus in optical fiber.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
Light engine provided by the invention comprises Fresnel lens, the first reflecting surface, the second reflecting surface, the non-globe lens of the 3rd reflecting surface first and the second non-globe lens; Radiative light path arranges Fresnel lens, and utilizing emitted light is divided into two-way emergent light via Fresnel lens; Wherein, a road emergent light successively through the first reflecting surface and the second reflecting surface change propagation direction, then via the first aspheric lens focus in watch-dog; Another road emergent light through the 3rd reflecting surface change propagation direction, then via the second aspheric lens focus in optical fiber.This light engine, has concurrently and focuses on and monitoring function utilizing emitted light, and compact conformation, be easy to processing.
Accompanying drawing explanation
Fig. 1 is a kind of light engine embodiment engineering index path in the present invention;
In figure, 11, Fresnel lens; 12, the first reflecting surface; 13, the second reflecting surface; 14, the first non-globe lens; 15, the 3rd reflecting surface; 16, the second non-globe lens; 20, vertical cavity surface emitting laser; 30, watch-dog; 40, optical fiber.
Embodiment
A kind of light engine in the present invention, has concurrently and focuses on and monitoring function utilizing emitted light, and compact conformation, be easy to processing.
Below in conjunction with Fig. 1 and embodiment, the embodiment of the present invention is described.
In the present invention, a kind of light engine first embodiment comprises: Fresnel lens 11, first reflecting surface 12, second reflecting surface 13, the 3rd reflecting surface 15, first non-globe lens 14 and the second non-globe lens 16;
This light engine passes through rule of arranging as follows, through the injection mo(u)lding of ULTEM1010 resin material by above-mentioned optical component:
By vertical cavity surface emitting laser (VCSEL, VerticalCavitySurfaceEmittingLaser) light of 20 outgoing is first through Fresnel lens 11, be divided into two-way emergent light, wherein a road changes the direction of propagation through the first reflecting surface 12 and the second reflecting surface 13 successively, then focuses in watch-dog 30 through the first non-globe lens 14; Another road emergent light through the 3rd reflecting surface 15, then is focused in optical fiber 40 by the second non-globe lens 16.
It should be noted that the light source in the present embodiment includes but not limited to vertical cavity surface emitting laser.
Light engine in the present embodiment, has concurrently and focuses on and monitoring function utilizing emitted light, and compact conformation, be easy to processing.
In the present invention, the difference of light engine second embodiment and the first embodiment is, the first reflecting surface 12, second reflecting surface 13, the 3rd reflecting surface 15 are fully reflecting surface, reduces the loss of luminous energy in transmitting procedure thus.
In the present invention, the difference of light engine the 3rd embodiment and the first embodiment is, wherein vertical cavity surface emitting laser 20 and watch-dog 30 are integrated on one piece of PCB.This design constrains the volume of equipment from structure, thus structure is compacter.
It should be noted that, be integrated in the design on one piece of PCB based on vertical cavity surface emitting laser 20 and watch-dog 30, the first reflecting surface 12 and the second reflecting surface 13 need Relative vertical to arrange.
In the present invention, the difference of light engine the 4th embodiment and the first embodiment is, is replaced by Fresnel lens expansion Fresnel lens.Expansion Fresnel lens is designed to curved surface to whole type on the basis of Fresnel lens, thus be more conducive to the transmission of light.
Present invention also offers a kind of optical communication apparatus, this device is provided with if embodiment one is to one or more combinations of embodiment four.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the device of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.In several embodiments that the application provides, should be understood that, disclosed device can realize by another way.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. a light engine, is characterized in that, comprising: Fresnel lens, the first reflecting surface, the second reflecting surface, the 3rd reflecting surface, the first non-globe lens and the second non-globe lens;
Radiative light path arranges Fresnel lens, and described utilizing emitted light is divided into two-way emergent light via described Fresnel lens;
Wherein, a road emergent light successively through the first reflecting surface and the second reflecting surface change propagation direction, then via the first aspheric lens focus in watch-dog;
Another road emergent light through the 3rd reflecting surface change propagation direction, then via the second aspheric lens focus in optical fiber.
2. light engine according to claim 1, is characterized in that: described first reflecting surface, the second reflecting surface and the 3rd reflecting surface are fully reflecting surface.
3. light engine according to claim 1, is characterized in that: described utilizing emitted light is provided by vertical cavity surface emitting laser.
4. light engine according to claim 3, is characterized in that: described vertical cavity surface emitting laser and described watch-dog are integrated on one piece of PCB.
5. light engine according to claim 4, is characterized in that: described first reflecting surface and described second reflecting surface Relative vertical are arranged.
6. light engine according to claim 1, is characterized in that: described light engine is by resin injection molding.
7. light engine according to claim 1, is characterized in that: described Fresnel lens is replaced with expansion Fresnel lens.
8. an optical communication apparatus, is characterized in that: described optical communication apparatus installs light engine as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510615513.8A CN105116500A (en) | 2015-09-24 | 2015-09-24 | Optical engine and optical communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510615513.8A CN105116500A (en) | 2015-09-24 | 2015-09-24 | Optical engine and optical communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105116500A true CN105116500A (en) | 2015-12-02 |
Family
ID=54664528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510615513.8A Pending CN105116500A (en) | 2015-09-24 | 2015-09-24 | Optical engine and optical communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105116500A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479149A (en) * | 2017-09-08 | 2017-12-15 | 峻立科技股份有限公司 | Optical element with monitoring light splitting path |
| CN107546568A (en) * | 2017-08-31 | 2018-01-05 | 新华三技术有限公司 | Pcb board component and light emission component |
| CN108594372A (en) * | 2018-04-17 | 2018-09-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110690925A (en) * | 2018-07-05 | 2020-01-14 | 上海瑞波电子科技有限公司 | Compact structure type integral optical engine device |
| CN114205990B (en) * | 2020-09-17 | 2024-03-22 | 深南电路股份有限公司 | Circuit board and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140027624A1 (en) * | 2012-07-24 | 2014-01-30 | Yi Hung | Optical fiber assembly capable of detecting light intensity |
| CN204964823U (en) * | 2015-09-24 | 2016-01-13 | 东莞铭普光磁股份有限公司 | Light engine and light communication device |
-
2015
- 2015-09-24 CN CN201510615513.8A patent/CN105116500A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140027624A1 (en) * | 2012-07-24 | 2014-01-30 | Yi Hung | Optical fiber assembly capable of detecting light intensity |
| CN204964823U (en) * | 2015-09-24 | 2016-01-13 | 东莞铭普光磁股份有限公司 | Light engine and light communication device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546568A (en) * | 2017-08-31 | 2018-01-05 | 新华三技术有限公司 | Pcb board component and light emission component |
| CN107479149A (en) * | 2017-09-08 | 2017-12-15 | 峻立科技股份有限公司 | Optical element with monitoring light splitting path |
| CN108594372A (en) * | 2018-04-17 | 2018-09-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110690925A (en) * | 2018-07-05 | 2020-01-14 | 上海瑞波电子科技有限公司 | Compact structure type integral optical engine device |
| CN114205990B (en) * | 2020-09-17 | 2024-03-22 | 深南电路股份有限公司 | Circuit board and preparation method thereof |
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Application publication date: 20151202 |