CN208239735U - A kind of light uniforming device - Google Patents
A kind of light uniforming device Download PDFInfo
- Publication number
- CN208239735U CN208239735U CN201821005046.2U CN201821005046U CN208239735U CN 208239735 U CN208239735 U CN 208239735U CN 201821005046 U CN201821005046 U CN 201821005046U CN 208239735 U CN208239735 U CN 208239735U
- Authority
- CN
- China
- Prior art keywords
- lens barrel
- light
- fixed ring
- face
- uniforming device
- 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.)
- Active
Links
Landscapes
- Optical Couplings Of Light Guides (AREA)
Abstract
The utility model belongs to light-uniforming technology field, discloses a kind of light uniforming device, including the first lens barrel, and the both ends of the first lens barrel are threaded with the second lens barrel and third lens barrel respectively.The both ends of first lens barrel are equipped with perforative limit card slot, and the first lens barrel is equipped with the first fixed ring inside one end of the second lens barrel, and the light dispersion mirror for dispersing light is arranged in the first fixed ring.First lens barrel is equipped with the second fixed ring inside one end of third lens barrel, it is arranged in second fixed ring for converging light and the light converging lenses that project in parallel, the outer wall of the second fixed ring and the first fixed ring is equipped with the limit strip matched with limit card slot.Second lens barrel and third lens barrel can make the first lens barrel hold the first fixed ring and the second fixed ring tightly, to which the first fixed ring and the second fixed ring are firmly secured in the first lens barrel, it is convenient that it is mounted and dismounted, and the hot spot uniformity projected is high, and it is good to homogenize effect.
Description
Technical field
The utility model belongs to light-uniforming technology field, and in particular to a kind of light uniforming device.
Background technique
With the progress and development of laser technology, laser in multiple fields using more and more extensive, such as illumination, medical treatment
Field, laser have uniformity height, the advantage of hot spot exquisiteness.In field of laser illumination, in order to obtain better illuminating effect,
Generally need the laser beam using optical power detection.In order to ensure the brightness and uniformity of laser beam, it usually needs adopt
With light uniforming device by laser beam again shaping, with the hot spot for obtaining a certain size and being evenly distributed.
Light uniforming device is the optical device for being commonly used to carry out shimming in field of laser illumination, even light used in the prior art
Device, laser beam enters after the even light diffusion sheet inside light uniforming device in certain diffusion angle and is projected to plus lens, to converge
Gather and forms uniform hot spot at receiving plane.The case where light uniforming device is in use, inevitably collides, may
It will cause the damage of lens, the lens installation and removal inside light uniforming device are inconvenient, maintainable lower.
Utility model content
In order to solve the above problems existing in the present technology, the utility model aim is to provide one kind to homogenize effect good,
Mount and dismount convenient light uniforming device.
The technology employed by the present utility model is a kind of light uniforming device, including the first lens barrel, the two of first lens barrel
End outer wall is equipped with external screw thread, and the both ends of the first lens barrel are threaded with the second lens barrel and third lens barrel respectively, and described second
The end of lens barrel and third lens barrel offers laser entrance and laser exit respectively.The both ends of first lens barrel, which are equipped with, to be run through
Limit card slot, the first lens barrel is equipped with the first fixed ring inside one end of the second lens barrel, and card is set in first fixed ring
There is the light dispersion mirror for dispersing light.First lens barrel is equipped with the second fixed ring, institute inside one end of third lens barrel
The light converging lenses being arranged in the second fixed ring for converging light and projecting in parallel are stated, the second fixed ring and first are fixed
The outer wall of ring is equipped with the limit strip matched with limit card slot.
It is preferred that being equipped with protection eyeglass in the third lens barrel, set between the protection eyeglass and third lens barrel
There is waterproof grommet, protects eyeglass and waterproof grommet that can prevent dust and water from entering in third lens barrel and the first lens barrel, shadow
Ring the service life of light converging lenses.
It is preferred that light dispersion mirror has the first light incidence end and a first beam projecting end, described the
The end face of one light incidence end is plumb cut, and the end face at first beam projecting end is smooth arc-shaped concave.
It is preferred that being coated with anti-reflection film on the end face of the first light incidence end, anti-reflection film can reduce first
The intensity of the reflected light of light incidence end, to increase the intensity of transmitted light.
It is preferred that the light converging lenses have the second light incidence end and a second beam projecting end, described the
The end face of two light incidence ends is smooth arc convex, and the end face at second beam projecting end is plumb cut.
It is preferred that being coated with anti-reflection film on the end face of the second light incidence end.
It is preferred that being equipped with aperture diaphragm in second lens barrel, external incidence can control by aperture diaphragm
The width of Gaussian beam preferably controls light propagation path.
It is preferred that second fixed ring and the first fixed ring are all made of rubber and are made, to light converging lenses and
Light, which disperses mirror, has buffer protection function.
The utility model has the following beneficial effects:
1, first lens barrel of the utility model is equipped with the first fixed ring, the first fixed ring inside one end of the second lens barrel
Inside it is arranged with the light dispersion mirror for dispersing light.It is fixed that first lens barrel is equipped with second inside one end of third lens barrel
Ring is arranged with the light converging lenses for converging light and projecting in parallel in the second fixed ring.External incident Gaussian beam
Enter from laser entrance, the light beam with certain inclination angle is formed after the shaping operation of light dispersion mirror, using light
Horizontal light beam is formed after the shaping operation of converging lenses, then is projected from laser exit, the light spot shape rule of injection, the uniformity
Height, hot spot is fine and smooth, especially suitable for field of laser illumination.
2, the both ends of first lens barrel of the utility model are equipped with perforative limit card slot, and the second fixed ring and first are fixed
The outer wall of ring is equipped with the limit strip matched with limit card slot.Due to the second lens barrel and third lens barrel and the first lens barrel screw thread
Connection, and the both ends of the first lens barrel are equipped with perforative limit card slot, the second lens barrel and third lens barrel can make the two of the first lens barrel
End deforms, and holds the first lens barrel by the first fixed ring and the second fixed ring tightly, so that the first fixed ring and second is fixed
Ring is firmly secured in the first lens barrel, and installation and removal are convenient.
3, it is equipped with protection eyeglass in the third lens barrel of the utility model, protects and is equipped with anti-watertight between eyeglass and third lens barrel
Seal.Protection eyeglass and waterproof grommet can prevent dust and water from entering in third lens barrel and the first lens barrel, influence light remittance
The service life of poly- mirror.
4, there is the light dispersion mirror of the utility model the first light incidence end and the first beam projecting end, the first light to enter
The end face for penetrating end is plumb cut, and the end face at the first beam projecting end is smooth arc-shaped concave, the end face of the first light incidence end
On be coated with anti-reflection film, it is possible to reduce the intensity of the reflected light of the first light incidence end forms tool to increase the intensity of transmitted light
There is the light beam at certain inclination angle.
5, there is the light converging lenses of the utility model the second light incidence end and the second beam projecting end, the second light to enter
The end face for penetrating end is smooth arc convex, and the end face at the second beam projecting end is plumb cut, the end face of the second light incidence end
On be coated with anti-reflection film, it is possible to reduce the intensity of the reflected light of the second light incidence end, to increase the strong of the horizontal light beam of transmission
Degree forms the high horizontal light beam of the uniformity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the direction view of A-A in Fig. 1.
In figure: the first lens barrel of 1-；The second lens barrel of 2-；3- third lens barrel；4- limit card slot；The first fixed ring of 5-；6- light
Disperse mirror；The second fixed ring of 7-；8- light converging lenses；9- limits strip；10- protects eyeglass；11- waterproof grommet；12- first
Light incidence end；The first beam projecting of 13- end；14- anti-reflection film；15- the second light incidence end；The second beam projecting of 16- end；
17- aperture diaphragm.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further elaborated the utility model.
As shown in Figure 1, a kind of light uniforming device of the present embodiment, including the first lens barrel 1, the both ends outer wall of first lens barrel 1
It is equipped with external screw thread, and the both ends of the first lens barrel 1 are threaded with the second lens barrel 2 and third lens barrel 3,2 He of the second lens barrel respectively
The internal screw thread that one end inner wall setting of third lens barrel 3 matches with the external screw thread of the first lens barrel 1, the both ends of the first lens barrel 1 and the
Two lens barrels 2 and third lens barrel 3 are connected through a screw thread, and installation and removal are convenient.
The end of second lens barrel 2 and third lens barrel 3 offers laser entrance and laser exit respectively.External incidence
Gaussian beam enters from laser entrance, successively by the shaping operation of the second lens barrel 2, the first lens barrel 1 and third lens barrel 3, then from
The light beam of laser exit injection optical power detection.
As shown in Fig. 2, the both ends of first lens barrel 1 are equipped with perforative limit card slot 4, limit card slot 4 is by end edge
The first lens barrel 1 extend certain length, four limit card slots 4 generally are respectively set in 1 both ends inner wall of the first lens barrel.First lens barrel
1 is equipped with the first fixed ring 5 inside one end of the second lens barrel 2, is arranged in first fixed ring 5 for dispersing light
Light disperse mirror 6.External incident Gaussian beam enters from laser entrance, the shape after the shaping operation of light dispersion mirror 6
At the light beam with certain inclination angle.
First lens barrel 1 is equipped with the second fixed ring 7 inside one end of third lens barrel 3, and card is set in second fixed ring 7
There are the light converging lenses 8 for converging light and projecting in parallel, the first lens barrel 1, light dispersion mirror 6 and light converging lenses 8 three
The axis of person is located along the same line.Gaussian beam directive light converging lenses 8 after the dispersion shaping of light dispersion mirror 6, pass through
Horizontal light beam is formed after the shaping operation of light converging lenses 8, then is projected from laser exit, the light spot shape rule of injection,
Evenness is high, and hot spot is fine and smooth, especially suitable for field of laser illumination.
The outer wall of second fixed ring 7 and the first fixed ring 5 is equipped with the limit strip 9 matched with limit card slot 4.?
Four limit strips 9 are arranged in the outer wall of two fixed rings 7 and the first fixed ring 5, and limit strip 9 is stuck in limit card slot 4, thus will
First fixed ring 5 and the second fixed ring 7 are mounted in the first lens barrel 1, then install the second lens barrel 2 and third lens barrel 3.Due to
Two lens barrels 2 and third lens barrel 3 are threadedly coupled with the first lens barrel 1, and the both ends of the first lens barrel 1 are equipped with perforative limit card slot 4,
Second lens barrel 2 and third lens barrel 3 can make the both ends of the first lens barrel 1 deform, and make the first lens barrel 1 by the first fixed ring 5 and
Two fixed rings 7 are held tightly, to the first fixed ring 5 and the second fixed ring 7 are firmly secured in the first lens barrel 1, stationarity
Good, installation and removal are convenient.
Second fixed ring 7 and the first fixed ring 5 are all made of rubber and are made, to the second fixed ring 7 and the first fixed ring 5
Interior light converging lenses 8 and light dispersion mirror 6 have buffer protection function.
It is equipped with protection eyeglass 10 in the third lens barrel 3, anti-watertight is equipped between the protection eyeglass 10 and third lens barrel 3
Seal 11.Protection eyeglass 10 and waterproof grommet 11 can prevent dust and water from entering in third lens barrel 3 and the first lens barrel 1, shadow
Ring the service life of light converging lenses 8.
The light dispersion mirror 6 has the first light incidence end 12 and the first beam projecting end 13, and first light enters
The end face for penetrating end 12 is plumb cut, and the end face at first beam projecting end 13 is smooth arc-shaped concave.Incident Gauss light
When beam is by light dispersion mirror 6, the end face of first the first light of directive incidence end 12, then penetrated from the end face at the first beam projecting end 13
Out, the light beam with certain inclination angle is formed.Anti-reflection film 14, anti-reflection film 14 are coated on the end face of the first light incidence end 12
The intensity of the reflected light of the first light incidence end 12 can be reduced, to increase the intensity of transmitted light.
The light converging lenses 8 have the second light incidence end 15 and the second beam projecting end 16, and second light enters
The end face for penetrating end 15 is smooth arc convex, and the end face at second beam projecting end 16 is plumb cut.With certain inclination
When the light beam at angle passes through light converging lenses 8, the end face of first the second light of directive incidence end 15, then from the second beam projecting end 16
End face is projected, and horizontal light beam is formed.It is coated with anti-reflection film 14 on the end face of the second light incidence end 15, anti-reflection film 14 can be with
The intensity of the reflected light of the second light incidence end 15 is reduced, to increase the intensity of the horizontal light beam of transmission.
It is equipped with aperture diaphragm 17 in second lens barrel 2, external incident Gaussian beam can control by aperture diaphragm 17
Width, preferably control light propagation path.
The utility model is not limited to above-mentioned optional embodiment, anyone can obtain under the enlightenment of the utility model
Other various forms of products, however, making any variation in its shape or structure, all the utility model rights that falls into are wanted
The technical solution in confining spectrum is sought, is all fallen within the protection scope of the utility model.
Claims (8)
1. a kind of light uniforming device, it is characterised in that: including the first lens barrel (1), the both ends outer wall of first lens barrel (1) is equipped with outer
Screw thread, and the both ends of the first lens barrel (1) are threaded with the second lens barrel (2) and third lens barrel (3), second lens barrel respectively
(2) and the end of third lens barrel (3) offers laser entrance and laser exit respectively；The both ends of first lens barrel (1) are all provided with
Have perforative limit card slot (4), the first lens barrel (1) is equipped with the first fixed ring (5) inside the one end of the second lens barrel (2), institute
State light dispersion mirror (6) being arranged in the first fixed ring (5) for dispersing light；First lens barrel (1) is close to third lens barrel
(3) the second fixed ring (7) are equipped with inside one end, are arranged in second fixed ring (7) for by light convergence and parallel
The outer wall of the light converging lenses (8) of injection, the second fixed ring (7) and the first fixed ring (5) is equipped with to match with limit card slot (4)
The limit strip (9) of conjunction.
2. a kind of light uniforming device according to claim 1, it is characterised in that: be equipped with protection eyeglass in the third lens barrel (3)
(10), waterproof grommet (11) are equipped between the protection eyeglass (10) and third lens barrel (3).
3. a kind of light uniforming device according to claim 1, it is characterised in that: light dispersion mirror (6) has the first light
Incidence end (12) and the first beam projecting end (13), the end face of the first light incidence end (12) are plumb cut, described the
The end face at one beam projecting end (13) is smooth arc-shaped concave.
4. a kind of light uniforming device according to claim 3, it is characterised in that: on the end face of the first light incidence end (12)
It is coated with anti-reflection film (14).
5. a kind of light uniforming device according to claim 1, it is characterised in that: the light converging lenses (8) have the second light
Incidence end (15) and the second beam projecting end (16), the end face of the second light incidence end (15) are smooth arc convex, institute
The end face for stating the second beam projecting end (16) is plumb cut.
6. a kind of light uniforming device according to claim 5, it is characterised in that: on the end face of the second light incidence end (15)
It is coated with anti-reflection film (14).
7. a kind of light uniforming device according to claim 1, it is characterised in that: be equipped with aperture diaphragm in second lens barrel (2)
(17)。
8. a kind of light uniforming device according to claim 1, it is characterised in that: second fixed ring (7) and the first fixed ring
(5) rubber is all made of to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005046.2U CN208239735U (en) | 2018-06-26 | 2018-06-26 | A kind of light uniforming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821005046.2U CN208239735U (en) | 2018-06-26 | 2018-06-26 | A kind of light uniforming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208239735U true CN208239735U (en) | 2018-12-14 |
Family
ID=64574744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821005046.2U Active CN208239735U (en) | 2018-06-26 | 2018-06-26 | A kind of light uniforming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208239735U (en) |
-
2018
- 2018-06-26 CN CN201821005046.2U patent/CN208239735U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5254858A (en) | System having non-imaging concentrators for performing IR transmission spectroscopy | |
| JPS5511216A (en) | Connecting optical system of light guide | |
| CN202710711U (en) | Sunlight simulator for testing solar cells | |
| CN103698006B (en) | For 45 degree of ring lighting devices of online spectrophotometric color measurement instrument | |
| CN208239735U (en) | A kind of light uniforming device | |
| CN208794185U (en) | A kind of parallel coaxial light supply apparatus based on machine visual detection device | |
| CN210005210U (en) | heavy-calibre schlieren system suitable for wind tunnel test section | |
| CN105279501B (en) | A kind of Zigzag type palm print collecting device of dark background | |
| CN209640200U (en) | A kind of full spectral-transmission favtor instrument for quick measuring | |
| CN115016214B (en) | Projector with a light source for projecting light | |
| CN204009228U (en) | A kind of laser light curtain laser instrument | |
| CN203837664U (en) | Shape measuring device | |
| CN208780896U (en) | A kind of spurious rays elimination imaging lens | |
| CN214251988U (en) | Novel gas chamber | |
| CN208937289U (en) | A kind of precision target simulator suitable for wide temperature wide spectrum working range | |
| CN213990873U (en) | Ambient illumination testing device for camera | |
| CN115145005A (en) | Laser scanning lens adaptive to center shielding and application thereof | |
| CN210243885U (en) | Light filling lamp polarizing lens and shooting equipment using same | |
| CN105182673B (en) | Projecting apparatus | |
| CN210071648U (en) | Triple optical path air chamber and gas detection equipment | |
| JPH0674763A (en) | Distance measuring apparatus | |
| CN208805602U (en) | A kind of filtering apparatus | |
| CN111044144A (en) | Portable spectral radiation screen brightness meter and optical system thereof | |
| CN208125572U (en) | A kind of optical system of high-precision atmosphere particle monitoring radar | |
| CN206223209U (en) | Optical facilities and optical measuring instrument |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |