CN109031544A - A kind of great power LED fiber coupling system - Google Patents
A kind of great power LED fiber coupling system Download PDFInfo
- Publication number
- CN109031544A CN109031544A CN201810866651.7A CN201810866651A CN109031544A CN 109031544 A CN109031544 A CN 109031544A CN 201810866651 A CN201810866651 A CN 201810866651A CN 109031544 A CN109031544 A CN 109031544A
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- China
- Prior art keywords
- lens
- led
- light beam
- great power
- coupling system
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- 239000000835 fiber Substances 0.000 title claims abstract description 43
- 230000008878 coupling Effects 0.000 title claims abstract description 21
- 238000010168 coupling process Methods 0.000 title claims abstract description 21
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 21
- 238000004544 sputter deposition Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- 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
- G02B6/4206—Optical features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
-
- 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
- G02B6/4266—Thermal aspects, temperature control or temperature monitoring
- G02B6/4268—Cooling
- G02B6/4272—Cooling with mounting substrates of high thermal conductivity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to a kind of great power LED fiber coupling systems, belong to LED light source technical field.The side of LED chip in the great power LED fiber coupling system is fixed on LED radiating bottom plate, it can guarantee that the heat generated in LED chip work can quickly be conducted to LED radiating bottom plate in this way, the other side of LED chip abuts against the plane of incidence of the first lens, most of optical fiber convergence that first lens can issue LED chip is got up, improve LED beam utilization rate, the light beam that second lens can converge the first lens forms collimated light beam and projects, the collimated light beam that the third lens can project the second lens focuses, and light is transferred to inside fiber optic bundle, the great power LED fiber coupling system is structurally reasonable, light utilization efficiency is high, it is suitble to promote the use of.
Description
Technical field
The present invention relates to a kind of great power LED fiber coupling systems, belong to LED light source technical field.
Background technique
Continue to develop with industry, the leap of technology is broken through, and application is widelyd popularize, and the light efficiency of LED is also constantly mentioning
Height, price constantly drop.The appearance of new combined type tube core also allows the power of single led pipe (module) to be continuously improved.By same
Industry is continually striving to research and develop, the breakthrough of novel optical design, the exploitation of new lamp kind, and the single situation of product is also expected to further
Torsion.
LED illumination is gradually extended to high-power field, needs to manually control light beam under some special application scenarios
Illumination region, but powerful light source usually requires biggish power supply and cooling system, can not adapt to manually control light
Demand.For this purpose, usually being exported LED beam with optical fiber, exported in optical fiber other end.Since fiber end face is for incidence
Angular requires, and the light beam greater than critical angle will be unable to enter inside of optical fibre, just needs fiber coupling system by LED light here
Beam convergence.
In order to solve the above-mentioned technical problem, the present invention devises a kind of great power LED fiber coupling system, this is high-power
The side of LED chip in LED light fibre coupled system is fixed on LED radiating bottom plate, can be guaranteed in LED chip work in this way
The heat of generation can quickly be conducted to LED radiating bottom plate, and the other side of LED chip abuts against the plane of incidence of the first lens,
Most of optical fiber convergence that first lens can issue LED chip is got up, and improves LED beam utilization rate, the second lens can
The light beam of first lens convergence is formed collimated light beam to project, the third lens can gather the collimated light beam that the second lens project
Coke, and light is transferred to inside fiber optic bundle, the great power LED fiber coupling system is structurally reasonable, and light utilization efficiency is high, fits
It closes and promotes the use of.
Summary of the invention
In order to overcome defect present in background technique, the technical solution adopted by the present invention to solve the technical problems is:
A kind of great power LED fiber coupling system, including LED radiating bottom plate, LED chip, the first lens, the second lens, the third lens
And fiber optic bundle, the side of the LED chip are fixed on LED radiating bottom plate, the other side of the LED chip abuts against first thoroughly
The plane of incidence of mirror is successively arranged the second lens, the third lens and fiber optic bundle on the outside of first lens.
The light beam that preferred second lens can converge the first lens forms collimated light beam and projects.
The collimated light beam that the preferred the third lens can project the second lens focuses, the incidence end of the fiber optic bundle
Face is located at the focal position of the third lens, and hot spot of the third lens in focal position is less than the aperture of fiber optic bundle, and leads to
The light beam convergence angle for crossing the third lens is less than the critical angle of fiber optic bundle surface feeding sputtering.
The present invention devises a kind of great power LED fiber coupling system, the LED in the great power LED fiber coupling system
The side of chip is fixed on LED radiating bottom plate, can guarantee that the heat generated in LED chip work can be passed quickly in this way
It leads and gives LED radiating bottom plate, the other side of LED chip abuts against the plane of incidence of the first lens, and the first lens can be by LED chip
Most of optical fiber convergence of sending is got up, and LED beam utilization rate, the light beam shape that the second lens can converge the first lens are improved
It is projected at collimated light beam, the collimated light beam that the third lens can project the second lens focuses, and light is transferred to fiber optic bundle
Inside, the great power LED fiber coupling system is structurally reasonable, and light utilization efficiency is high, is suitble to promote the use of.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of great power LED fiber coupling system of the present invention；
Wherein: 1, LED radiating bottom plate；2, LED chip；3, the first lens；4, the second lens；5, the third lens；6, fiber optic bundle.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.Attached drawing is simplified schematic diagram, only with signal side
Formula illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Specific embodiment one, referring to Fig. 1, a kind of great power LED fiber coupling system, including LED radiating bottom plate 1, LED
Chip 2, the first lens 3, the second lens 4, the third lens 5 and fiber optic bundle 6, the side of the LED chip 2 are fixed on LED heat dissipation
On bottom plate 1, the other side of the LED chip 2 abuts against the plane of incidence of the first lens 3, and the outside of first lens 3 is successively set
There are the second lens 4, the third lens 5 and fiber optic bundle 6, second lens 4 can be formed the light beam that the first lens 3 converge in parallel
Light beam projects, and the collimated light beam that the third lens 5 can project the second lens focuses, the incident end face of the fiber optic bundle 6
Positioned at the focal position of the third lens 5, hot spot of the third lens 5 in focal position is less than the aperture of fiber optic bundle 6, and leads to
The light beam convergence angle for crossing the third lens 5 is less than the critical angle of 6 surface feeding sputtering of fiber optic bundle.
The present invention devises a kind of great power LED fiber coupling system, the LED in the great power LED fiber coupling system
The side of chip is fixed on LED radiating bottom plate, can guarantee that the heat generated in LED chip work can be passed quickly in this way
It leads and gives LED radiating bottom plate, the other side of LED chip abuts against the plane of incidence of the first lens, and the first lens can be by LED chip
Most of optical fiber convergence of sending is got up, and LED beam utilization rate, the light beam shape that the second lens can converge the first lens are improved
It is projected at collimated light beam, the collimated light beam that the third lens can project the second lens focuses, and light is transferred to fiber optic bundle
Inside, the great power LED fiber coupling system is structurally reasonable, and light utilization efficiency is high, is suitble to promote the use of.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (3)
1. a kind of great power LED fiber coupling system, including LED radiating bottom plate (1), LED chip (2), the first lens (3),
Two lens (4), the third lens (5) and fiber optic bundle (6), it is characterised in that: the side of the LED chip (2) is fixed on LED heat dissipation
On bottom plate (1), the other side of the LED chip (2) abuts against the plane of incidence of the first lens (3), first lens (3) it is outer
Side is successively arranged the second lens (4), the third lens (5) and fiber optic bundle (6).
2. a kind of great power LED fiber coupling system according to claim 1, which is characterized in that second lens (4)
The light beam that the first lens (3) can be converged forms collimated light beam and projects.
3. a kind of great power LED fiber coupling system according to claim 2, which is characterized in that the third lens (5)
The collimated light beam that the second lens can be projected focuses, and the incident end face of the fiber optic bundle (6) is located at the focus of the third lens (5)
Position, hot spot of the third lens (5) in focal position is less than the aperture of fiber optic bundle (6), and passes through the third lens (5)
Light beam convergence angle is less than the critical angle of fiber optic bundle (6) surface feeding sputtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866651.7A CN109031544A (en) | 2018-08-01 | 2018-08-01 | A kind of great power LED fiber coupling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810866651.7A CN109031544A (en) | 2018-08-01 | 2018-08-01 | A kind of great power LED fiber coupling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109031544A true CN109031544A (en) | 2018-12-18 |
Family
ID=64648627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810866651.7A Pending CN109031544A (en) | 2018-08-01 | 2018-08-01 | A kind of great power LED fiber coupling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109031544A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056787A (en) * | 2019-05-24 | 2019-07-26 | 杭州罗盘星科技有限公司 | A kind of LED based broad spectrum light source |
| CN113116516A (en) * | 2021-04-01 | 2021-07-16 | 广州迪光医学科技有限公司 | Laser coupling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07294778A (en) * | 1994-04-27 | 1995-11-10 | Ricoh Opt Ind Co Ltd | Optical coupling lens |
| WO2001075359A1 (en) * | 2000-04-03 | 2001-10-11 | Getinge/Castle, Inc. | High power led source and optical delivery system |
| US20040090794A1 (en) * | 2002-11-08 | 2004-05-13 | Ollett Scott H. | High intensity photocuring system |
| CN101629700A (en) * | 2009-08-24 | 2010-01-20 | 华中科技大学 | Optical fibre-LED coaxial connector |
| CN102434795A (en) * | 2011-10-18 | 2012-05-02 | 杭州首天光电技术有限公司 | Light-emitting diode (LED) cold light source lighting device |
| CN208569112U (en) * | 2018-08-01 | 2019-03-01 | 苏州汇影光学技术有限公司 | A kind of great power LED fiber coupling system |
-
2018
- 2018-08-01 CN CN201810866651.7A patent/CN109031544A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07294778A (en) * | 1994-04-27 | 1995-11-10 | Ricoh Opt Ind Co Ltd | Optical coupling lens |
| WO2001075359A1 (en) * | 2000-04-03 | 2001-10-11 | Getinge/Castle, Inc. | High power led source and optical delivery system |
| US20040090794A1 (en) * | 2002-11-08 | 2004-05-13 | Ollett Scott H. | High intensity photocuring system |
| CN101629700A (en) * | 2009-08-24 | 2010-01-20 | 华中科技大学 | Optical fibre-LED coaxial connector |
| CN102434795A (en) * | 2011-10-18 | 2012-05-02 | 杭州首天光电技术有限公司 | Light-emitting diode (LED) cold light source lighting device |
| CN208569112U (en) * | 2018-08-01 | 2019-03-01 | 苏州汇影光学技术有限公司 | A kind of great power LED fiber coupling system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056787A (en) * | 2019-05-24 | 2019-07-26 | 杭州罗盘星科技有限公司 | A kind of LED based broad spectrum light source |
| CN113116516A (en) * | 2021-04-01 | 2021-07-16 | 广州迪光医学科技有限公司 | Laser coupling device |
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