CN207213657U - A kind of illuminator using LIF - Google Patents
A kind of illuminator using LIF Download PDFInfo
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- CN207213657U CN207213657U CN201720344254.4U CN201720344254U CN207213657U CN 207213657 U CN207213657 U CN 207213657U CN 201720344254 U CN201720344254 U CN 201720344254U CN 207213657 U CN207213657 U CN 207213657U
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- face
- convex lens
- total reflection
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- illuminator
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Abstract
The utility model discloses a kind of illuminator using LIF, including concentrating component, total reflection component, the second convex lens, compensation component and reflective flourescent sheet；Laser converges after the concentrating component, subsequently into the total reflection component and it is totally reflected, subsequently enter second convex lens, and converge and be irradiated to the reflective flourescent sheet, the reflective flourescent sheet is excited to produce fluorescence, the fluorescence enters the total reflection component after second convex lens, is emitted subsequently into the compensation component and from the compensation component, wherein, the fluorescent edge light is less than the angle of total reflection in the incidence angle of the compensation component.Compared to prior art, the utility model is using the illuminator of LIF due to adding the second convex lens between the total reflection prism and the reflective flourescent sheet, the angle of divergence of fluorescence is reduced, improves the utilization rate of fluorescent edge light, there are wide market prospects.
Description
Technical field
It the utility model is related to laser Induced Fluorescence Technology field, more particularly to a kind of illumination using LIF
System.
Background technology
The advantages that laser Induced Fluorescence Technology is because of its high brightness, low-loss, fast response time lighting field increasingly by
It is also more and more wider to attention, use range.Laser light incident mode is wherein pressed, flourescent sheet is divided into again reflective fluorescence and transmission-type
Flourescent sheet, transmission-type flourescent sheet have radiating deficiency and the risk of direct projection are passed through compared with light laser, hidden danger be present in fields such as commercializations.Instead
The formula flourescent sheet of penetrating does not have these shortcomings of transmission-type, but only compound using being made up of total reflection prism and compensating prism at present
Prism, receives that the dispersion angle of light is excessive due to prism, causes the utilization ratio of rim ray to reduce.
Utility model content
In view of the shortcomings of the prior art, the utility model, which aims to provide one kind, can effectively reduce the angle of divergence, effectively improve glimmering
The illuminator using LIF of light utilization efficiency.
To achieve the above object, the utility model adopts the following technical scheme that：
A kind of illuminator using LIF, including concentrating component, total reflection component, the second convex lens, benefit
Repay component and reflective flourescent sheet；
Laser converges after the concentrating component, subsequently into the total reflection component and is totally reflected, then enters
Enter second convex lens, and converge and be irradiated to the reflective flourescent sheet, excite the reflective flourescent sheet to produce fluorescence, institute
State fluorescence and enter the total reflection component after second convex lens, subsequently into the compensation component and from the compensation
Component is emitted, wherein, the fluorescent edge light is less than the angle of total reflection in the incidence angle of the compensation component.
As further improvement of the utility model, the concentrating component is the first convex lens, and the total reflection component is
Total reflection prism, the compensation component is compensating prism, and first convex lens include the first face and the second face, the total reflection
Prism includes the 3rd face, fourth face and the 5th face, and the 3rd face, fourth face and the 5th face are plane, the 3rd face and
Angle between four sides is more than or equal to the angle of total reflection, and second convex lens include the 6th face and the 7th face, the compensating prism
Including octahedral and the 9th face, the octahedral and the 9th face are plane, between the 7th face and the reflective flourescent sheet
Provided with the second gap, third space is provided between the fourth face and the octahedral；
Specifically, laser enters first convex lens by first face is incident, be emitted from second face, then from
3rd face enters the total reflection prism, and is totally reflected in the fourth face, after being then emitted in the 5th face,
Second convex lens are entered by the 6th face, is emitted from the 7th face and enters second gap, and converged and be irradiated to
The reflective flourescent sheet is induced to produce fluorescence on the reflective flourescent sheet, the fluorescence is by second gap by described
7th face enters second convex lens, is emitted from the 6th face and enters the total reflection prism by the 5th face, connect
And the third space is emitted and passed through from the fourth face enter the compensating prism from the octahedral, finally from described
Nine faces are emitted；
Wherein, the refractive index of second convex lens is adjusted, adjusts the size in second gap, adjusts the 6th face
With the radian in the 7th face, incidence angle of the fluorescent edge light on the fourth face is set to be less than the angle of total reflection.
As further improvement of the utility model, the 6th face is provided with projection, and the projection is provided with the tenth face, described
Tenth face is plane, and the laser enters second convex lens by the tenth face.
As further improvement of the utility model, the tenth face it is parallel with the 5th face and between be provided with first between
Gap.
As further improvement of the utility model, the 6th face is provided with groove, and the tenth face, institute are provided with the groove
It is plane to state the tenth face, and the laser enters second convex lens by the tenth face.
As further improvement of the utility model, the tenth face it is parallel with the 5th face and between be provided with first between
Gap.
As further improvement of the utility model, the fourth face is parallel with the octahedral.
As further improvement of the utility model, the 5th face is parallel with the 9th face.
As further improvement of the utility model, the 5th face is parallel with the reflective flourescent sheet.
As further improvement of the utility model, the angle of the 3rd face and fourth face is 35 ° to 55 °, described
The angle in four sides and the 5th face is 1 ° to 41 °.
Compared to prior art, the utility model is using the illuminator of LIF due in the total reflection rib
The second convex lens are added between mirror and the reflective flourescent sheet, reduce the angle of divergence of fluorescence, improve fluorescent edge light
Utilization rate, there are wide market prospects.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature
It can be become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, described in detail as follows.
Brief description of the drawings
Fig. 1 is that the light in the utility model embodiment for LIF reflects the schematic diagram of composite prism.
Description of symbols：10th, the first convex lens；11st, the first face；12nd, the second face；20th, total reflection prism；21st, the 3rd face；
22nd, fourth face；23rd, the 5th face；30th, the second convex lens；31st, the 6th face；32nd, the 7th face；33rd, the tenth face；40th, reflective fluorescence
Piece；41st, octahedral；42nd, the 9th face；50th, reflective flourescent sheet；60th, the first gap；70th, the second gap；80th, third space.
Embodiment
Below, with reference to accompanying drawing and embodiment, the utility model is described further：
As shown in figure 1, described included using the illuminator of LIF：First convex lens 10, total reflection prism
20th, the second convex lens 30, compensating prism 40 and reflective flourescent sheet 50, it is preferred that the total reflection prism 20 and compensating prism
40 materials are identical, and Refractive Index of Material is 1.45 to 2, and the focal length of first convex lens 10 is 20mm to 50mm, and described first is convex
Lens 10 include the first face 11 and the second face 12, including the 3rd face 21, the face of fourth face 22 and the 5th on the total reflection prism 20
23, first face 11 is convex surface, and second face 12 is plane, and the 3rd face 21 is plane, and second plane 12 is solid
Due to the 3rd plane 21, the angle between the 3rd face 21 and fourth face 22 is more than or equal to the angle of total reflection, it is preferred that described
Three faces 21 and the angle of fourth face 22 are 35 ° to 55 °, and the angle in the face 23 of fourth face 22 and the 5th is 1 ° to 41 °, described the
On four sides 22 and the 5th face 23 be plane, the second convex lens 30 include the 6th face 31 and the 7th face 32, and the compensating prism 40 is provided with
The face 42 of octahedral 41 and the 9th, the face 42 of octahedral 41 and the 9th is plane, the 5th face 23 and the reflective fluorescence
Piece 50 is parallel, and the 5th face 23 is parallel with the 9th face 42, second convex lens 30 and the reflective flourescent sheet 50
Between be provided with the second gap 70, the fourth face 22 it is parallel with the octahedral 41 and between be provided with third space 80, wherein, institute
The angle of divergence that the second convex lens 30 reduce fluorescence is stated, improves the utilization rate of fluorescent edge light.
Wherein, the refractive index of second convex lens 30 is adjusted, adjusts the size in second gap 50, regulation described the
Six faces 31 and the radian in the 7th face 32, it can be less than incidence angle of the fluorescent edge light on the fourth face 22 and be all-trans
Firing angle.
In the present embodiment, the 6th face 31 is provided with projection, and projection is provided with the tenth face 33, and the tenth face 33 is plane, and the tenth
Face 33 it is parallel with the 5th face 23 and between be provided with the first gap 60, the laser enters the by the first gap 60 by the tenth face 33
Two convex lens 30, in another embodiment of the present utility model, the 6th face 31 is provided with groove, and the tenth face is provided with the groove
33, the tenth face 33 is plane, the tenth face 33 it is parallel with the 5th face 23 and between be provided with the first gap 60, the laser passes through first
Gap 60 enters second convex lens 30 by the tenth face 33, wherein, the tenth face 33 reduces the laser in the second convex lens
Incidence angle on 30, the hot spot for making laser converge on the reflective flourescent sheet 50 are smaller, it is preferred that first gap
60th, the second gap 70 and the 3rd space 80 are air-gap, and first gap 60, the second gap 70 and the 3rd space 80 are more than
0.001mm。
In the present embodiment, the 7th face 32 is plane, and the 7th face 32 is parallel with the reflective flourescent sheet 50,
In other embodiment of the present utility model, the 7th face 32 can be concave surface or convex surface.
Specifically, laser enters first convex lens 10 by first face 11 is incident, it is emitted from second face 12,
Then enter the total reflection prism 20 from the 3rd face 21, and be totally reflected in the fourth face 22, then described
5th face 23 enters first gap 60 after reflecting, and enters second convex lens 30 by the 9th face 33, from institute
State the outgoing of the 7th face 32 and enter second gap 70, and converge to be irradiated on the reflective flourescent sheet 50 and induce the reflection
Formula flourescent sheet 50 produces fluorescence, and the fluorescence enters second convex lens by second gap 70 by the 7th face 32
30, it is emitted from the 6th face 31 and the total reflection prism 20 is entered by the 5th face 23, then from the fourth face 22
It is emitted and passes through the third space 80 and enter the compensating prism 40 from the octahedral 41, finally goes out from the 9th face 42
Penetrate, wherein, by adjusting the refractive index of second convex lens 30, adjust the size in second gap 70, regulation described the
Six faces 31 and the radian in the 7th face 32, make incidence angle of the fluorescence on the fourth face be less than the angle of total reflection.
The refractive index of the total reflection prism 20 and compensating prism 30 is determined first, is then calculated between air dielectric
The angle of total reflection, if for example, the refractive index n=1.517 of the total reflection prism 20 and compensating prism 30, first gap 60,
Second gap 70 and the 3rd space 80 are air-gap, then obtain the angle of total reflection using total reflection formula as 41.2 °, it is assumed that described glimmering
Incidence angle of the light rim ray in the 5th face 23 is 23 °, then obtains the fluorescent edge light in the 5th face according to the law of refraction
23 angle of emergence is 15 °, and the laser is totally reflected in fourth face 22, then laser is more than or equal in the incidence angle of fourth face 22 and is all-trans
41.2 degree of firing angle, if laser is precisely 41.2 ° in the incidence angle of fourth face 22, i.e. the angle of the 3rd face 21 and fourth face 22 is
41.2 °, then the angle in the face 23 of fourth face 22 and the 5th is 41.2 ° -15 °=26.2 °.
Compared to prior art, the utility model is using the illuminator of LIF due in the total reflection rib
The second convex lens are added between mirror and the reflective flourescent sheet, reduce the angle of divergence of fluorescence, improve fluorescent edge light
Utilization rate, there are wide market prospects.
For those skilled in the art, technical scheme that can be as described above and design, make other each
Kind is corresponding to be changed and deforms, and all these change and deformed the guarantor that should all belong to the utility model claims
Within the scope of shield.
Claims (10)
- A kind of 1. illuminator using LIF, it is characterised in that：Including concentrating component, total reflection component, second Convex lens, compensation component and reflective flourescent sheet；Laser converges after the concentrating component, subsequently into the total reflection component and is totally reflected, subsequently enters institute The second convex lens are stated, and converges and is irradiated to the reflective flourescent sheet, excite the reflective flourescent sheet to produce fluorescence, it is described glimmering Light enters the total reflection component after second convex lens, subsequently into the compensation component and from the compensation component Outgoing, wherein, the fluorescent edge light is less than the angle of total reflection in the incidence angle of the compensation component.
- 2. the illuminator of LIF is utilized as claimed in claim 1, it is characterised in that：The concentrating component is the One convex lens, the total reflection component is total reflection prism, and the compensation component is compensating prism, and first convex lens include First face and the second face, the total reflection prism include the 3rd face, fourth face and the 5th face, the 3rd face, fourth face and Five faces are plane, and the angle between the 3rd face and fourth face is more than or equal to the angle of total reflection, and second convex lens include the Six faces and the 7th face, the compensating prism include octahedral and the 9th face, and the octahedral and the 9th face are plane, and the described 7th The second gap is provided between face and the reflective flourescent sheet, third space is provided between the fourth face and the octahedral；Specifically, laser enters first convex lens by first face is incident, it is emitted from second face, then from described 3rd face enters the total reflection prism, and is totally reflected in the fourth face, after being then emitted in the 5th face, by institute State the 6th face and enter second convex lens, be emitted from the 7th face and enter second gap, and converge be irradiated to it is described The reflective flourescent sheet is induced to produce fluorescence on reflective flourescent sheet, the fluorescence is by second gap by the described 7th Face enters second convex lens, from the 6th face be emitted and the total reflection prism is entered by the 5th face, then from The fourth face is emitted and passes through the third space enters the compensating prism from the octahedral, finally from the 9th face Outgoing；Wherein, the refractive index of second convex lens is adjusted, adjusts the size in second gap, adjusts the 6th face and the The radian in seven faces, incidence angle of the fluorescent edge light on the fourth face is set to be less than the angle of total reflection.
- 3. the illuminator of LIF is utilized as claimed in claim 2, it is characterised in that：6th face is provided with convex Rise, the projection is provided with the tenth face, and the tenth face is plane, and the laser enters second convex lens by the tenth face Mirror.
- 4. the illuminator of LIF is utilized as claimed in claim 3, it is characterised in that：Tenth face with it is described 5th face it is parallel and between be provided with the first gap.
- 5. the illuminator of LIF is utilized as claimed in claim 2, it is characterised in that：6th face is provided with recessed Groove, the groove is interior to be provided with the tenth face, and the tenth face is plane, and the laser enters second convex lens by the tenth face Mirror.
- 6. the illuminator of LIF is utilized as claimed in claim 5, it is characterised in that：Tenth face with it is described 5th face it is parallel and between be provided with the first gap.
- 7. the illuminator using LIF as described in claim 2 to 6 is any, it is characterised in that：Described 4th Face is parallel with the octahedral.
- 8. the illuminator using LIF as described in claim 2 to 6 is any, it is characterised in that：Described 5th Face is parallel with the 9th face.
- 9. the illuminator using LIF as described in claim 2 to 6 is any, it is characterised in that：Described 5th Face is parallel with the reflective flourescent sheet.
- 10. the illuminator using LIF as described in claim 2 to 6 is any, it is characterised in that：Described 3rd The angle of face and fourth face is 35 ° to 55 °, and the angle in the fourth face and the 5th face is 1 ° to 41 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720344254.4U CN207213657U (en) | 2017-04-01 | 2017-04-01 | A kind of illuminator using LIF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720344254.4U CN207213657U (en) | 2017-04-01 | 2017-04-01 | A kind of illuminator using LIF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213657U true CN207213657U (en) | 2018-04-10 |
Family
ID=61810610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720344254.4U Withdrawn - After Issue CN207213657U (en) | 2017-04-01 | 2017-04-01 | A kind of illuminator using LIF |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949383A (en) * | 2017-04-01 | 2017-07-14 | 杭州有人光电技术有限公司 | A kind of illuminator of utilization LIF |
-
2017
- 2017-04-01 CN CN201720344254.4U patent/CN207213657U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949383A (en) * | 2017-04-01 | 2017-07-14 | 杭州有人光电技术有限公司 | A kind of illuminator of utilization LIF |
| CN106949383B (en) * | 2017-04-01 | 2023-03-21 | 安徽仁和光电科技有限公司 | Illumination system utilizing laser to induce fluorescence |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180815 Address after: 242000 the 5 floor of B9 science and Technology Park, Xuancheng economic and Technological Development Zone, Anhui. Patentee after: ANHUI RENHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 310000 611-2, room 4, 998 West Wen Yi Road, Wuchang Street, Yuhang District, Hangzhou, Zhejiang. Patentee before: HANGZHOU YOUREN PHOTOELECTRIC TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180410 Effective date of abandoning: 20230321 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180410 Effective date of abandoning: 20230321 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |