CN204964857U - Ultraviolet heart laser scanning camera lens far away - Google Patents
Ultraviolet heart laser scanning camera lens far away Download PDFInfo
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- CN204964857U CN204964857U CN201520726922.0U CN201520726922U CN204964857U CN 204964857 U CN204964857 U CN 204964857U CN 201520726922 U CN201520726922 U CN 201520726922U CN 204964857 U CN204964857 U CN 204964857U
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Abstract
The utility model relates to an optical lens field especially relates to an ultraviolet heart laser scanning camera lens far away. It includes diaphragm, first lens, second lens, third lens, fourth lens and the 5th lens, same axle center. Be diaphragm, first lens, second lens, third lens, fourth lens and the 5th lens along light propagation direction from a left side in proper order to the right side, carry out the burnt change of light of " burden - just - just - just - just ". Wherein first lens are the concave surface and are the concave surface and are biconvex type positive lens towards the meniscus of incident light positive lens, the 5th lens towards the meniscus of incident light negative lens, second lens, third lens and fourth lens. The first lens the place ahead 25mm -45mm of diaphragm distance. Ultraviolet heart laser scanning camera lens far away has improved the laser beam machining precision, has expanded the range of application of laser, makes the image space chief ray perpendicular to processing all the time mesa of each visual field.
Description
Technical field
The utility model relates to field of optical lens, particularly a kind of ultraviolet heart laser scanning lens far away.
Background technology
Due to the plurality of advantages of laser, be more and more applied in the middle of our life, particularly in the middle of commercial Application, such as laser marking, cut, laser drill, laser bonding, printing, medical treatment, illumination etc. are all used widely.
And laser scanning lens is exactly a key component in the middle of some of them application, its effect is exactly focal imaging, and parallel input light is focused into high energy laser beam to workpiece local irradiation to carry out work.
Traditional scanning lens, the incident angle of image space chief ray on focal plane of each visual field can increase along with the increase of visual field, and the imaging point on focal plane is out of shape, if laser drill, so the hole of margin and center will be inconsistent.Heart laser scanning lens far away is just through some designs, and the image space chief ray of each visual field can be impinged perpendicularly on focal plane, forms the focusing effect that centerand edge is more consistent.Part material different in addition needs to use the laser of different wave length to process, and the processing of flexible circuit board uses ultraviolet (UV) laser.
Summary of the invention
The utility model object is to overcome deficiency of the prior art, provides a kind of ultraviolet utilizing Ultra-Violet Laser to carry out materials processing heart laser scanning lens far away.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of ultraviolet heart laser scanning lens far away, comprises diaphragm, the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens, same axle center.Diaphragm, the first lens, the second lens, the 3rd lens, the 4th lens and the 5th lens are followed successively by from left to right along optical propagation direction, wherein said first lens are the curved month type negative lens of concave surface facing incident light, second lens, the 3rd lens and the 4th lens are the curved month type positive lens of concave surface facing incident light, and the 5th lens are biconvex positive lens.
The utility model is all right: diaphragm distance the first lens front 25mm-45mm.
The utility model is all right: the first described lens are the curved month type negative lens in concave surface facing incident light direction, R1=-26.3mm, R2=-350.4mm, center thickness d1=5mm, and material is ultraviolet fused silica glass; Second lens are the curved month type positive lens in the direction of concave surface facing incident light, R3=-81mm, R4=-45mm, center thickness d2=13mm, and material is ultraviolet fused silica glass; 3rd lens are the curved month type positive lens in concave surface facing incident light direction, R5=-300.2mm, R6=-60.08mm, center thickness d3=11.5mm, and material is ultraviolet fused silica glass; 4th lens are the curved month type positive lens in concave surface facing incident light direction, R7=-310.6mm, R8=-79.0mm, center thickness d4=14mm, and material is ultraviolet fused silica glass; 5th lens are biconvex positive lens, R9=398.2mm, R10=-200.3mm, center thickness d5=10mm, and material is ultraviolet fused silica glass.
Compared with prior art, the beneficial effects of the utility model are:
1, the focal beam spot of peripheral field and the focal beam spot of central vision more consistent, improve machining precision;
2, make the image space chief ray of each visual field all the time perpendicular to processing table top, do not moving workpiece or worktable, when disposable processing, the scope of 60mm × 60mm can scanned, scanning lens focal length just in time 100mm;
3, use light source to be ultraviolet (UV) laser, extend the range of application of laser;
4, the telecentricity error of optical system remains on less than 2.5 degree.
Accompanying drawing explanation
Fig. 1 is ultraviolet heart laser scanning lens far away structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
A kind of ultraviolet heart laser scanning lens far away, comprise diaphragm, the first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5, same axle center, diaphragm, the first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5 are followed successively by from left to right along optical propagation direction, wherein said first lens 1 are the curved month type negative lens of concave surface facing incident light, second lens 2, the 3rd lens 3 and the 4th lens 4 are the curved month type positive lens of concave surface facing incident light, and the 5th lens 5 are biconvex positive lens.Diaphragm is apart from the first described lens 1 front 25mm-45mm.
The first described lens 1 are the curved month type negative lens in concave surface facing incident light direction, R1=-26.3mm, R2=-350.4mm, center thickness d1=5mm, and material is ultraviolet fused silica glass; Second lens 2 are the curved month type positive lens in the direction of concave surface facing incident light, R3=-81mm, R4=-45mm, center thickness d2=13mm, and material is ultraviolet fused silica glass; 3rd lens 3 are the curved month type positive lens in concave surface facing incident light direction, R5=-300.2mm, R6=-60.08mm, center thickness d3=11.5mm, and material is ultraviolet fused silica glass; 4th lens 4 are the curved month type positive lens in concave surface facing incident light direction, R7=-310.6mm, R8=-79.0mm, center thickness d4=14mm, and material is ultraviolet fused silica glass; 5th lens 5 are biconvex positive lens, R9=398.2mm, R10=-200.3mm, center thickness d5=10mm, and material is ultraviolet fused silica glass.
Ultraviolet light enters from diaphragm, after the first lens 1, second lens 2, the 3rd lens 3, the 4th lens 4 and the 5th lens 5, after carrying out light Jiao change of " negative-positive-positive-just n-", shoot laser Shu Chuizhi is focused onto finished surface, forms high-octane hot spot and carries out the process operations such as mark, cutting, boring.Do not moving workpiece or worktable, when disposable processing, the scope of 60mm × 60mm can scanned, scanning lens focal length just in time 100mm.
Claims (3)
1. a ultraviolet heart laser scanning lens far away, comprise diaphragm, first lens (1), second lens (2), 3rd lens (3), 4th lens (4) and the 5th lens (5), same axle center, it is characterized in that, diaphragm is followed successively by from left to right along optical propagation direction, first lens (1), second lens (2), 3rd lens (3), 4th lens (4) and the 5th lens (5), the curved month type negative lens that wherein said first lens (1) are concave surface facing incident light, second lens (2), 3rd lens (3) and the 4th lens (4) are the curved month type positive lens of concave surface facing incident light, 5th lens (5) are biconvex positive lens.
2. a kind of ultraviolet according to claim 1 heart laser scanning lens far away, is characterized in that, described diaphragm distance the first lens (1) front 25mm-45mm.
3. a kind of ultraviolet according to claim 1 heart laser scanning lens far away, is characterized in that, the curved month type negative lens that described the first lens (1) are concave surface facing incident light direction, R1=-26.3mm, R2=-350.4mm, center thickness d1=5mm, material is ultraviolet fused silica glass; The curved month type positive lens that second lens (2) are the direction of concave surface facing incident light, R3=-81mm, R4=-45mm, center thickness d2=13mm, material is ultraviolet fused silica glass; The curved month type positive lens that 3rd lens (3) are concave surface facing incident light direction, R5=-300.2mm, R6=-60.08mm, center thickness d3=11.5mm, material is ultraviolet fused silica glass; The curved month type positive lens that 4th lens (4) are concave surface facing incident light direction, R7=-310.6mm, R8=-79.0mm, center thickness d4=14mm, material is ultraviolet fused silica glass; 5th lens (5) are biconvex positive lens, R9=398.2mm, R10=-200.3mm, center thickness d5=10mm, and material is ultraviolet fused silica glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726922.0U CN204964857U (en) | 2015-09-17 | 2015-09-17 | Ultraviolet heart laser scanning camera lens far away |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520726922.0U CN204964857U (en) | 2015-09-17 | 2015-09-17 | Ultraviolet heart laser scanning camera lens far away |
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| Publication Number | Publication Date |
|---|---|
| CN204964857U true CN204964857U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520726922.0U Active CN204964857U (en) | 2015-09-17 | 2015-09-17 | Ultraviolet heart laser scanning camera lens far away |
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| CN (1) | CN204964857U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199913A (en) * | 2016-07-13 | 2016-12-07 | 苏州大学 | Large format apochromatic F-theta lens |
| WO2018218606A1 (en) * | 2017-06-01 | 2018-12-06 | 大族激光科技产业集团股份有限公司 | Optical system for laser cutting |
| CN110146968A (en) * | 2019-04-04 | 2019-08-20 | 南京波长光电科技股份有限公司 | One kind disappears the curvature of field and the ultraviolet telecentricity f-theta camera lens of anastigmatic 355nm |
-
2015
- 2015-09-17 CN CN201520726922.0U patent/CN204964857U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106199913A (en) * | 2016-07-13 | 2016-12-07 | 苏州大学 | Large format apochromatic F-theta lens |
| CN106199913B (en) * | 2016-07-13 | 2018-07-31 | 苏州大学 | Large format apochromatic F-theta lens |
| WO2018218606A1 (en) * | 2017-06-01 | 2018-12-06 | 大族激光科技产业集团股份有限公司 | Optical system for laser cutting |
| CN110198805A (en) * | 2017-06-01 | 2019-09-03 | 大族激光科技产业集团股份有限公司 | It is cut by laser optical system |
| CN110198805B (en) * | 2017-06-01 | 2021-04-27 | 大族激光科技产业集团股份有限公司 | Laser cutting optical system |
| CN110146968A (en) * | 2019-04-04 | 2019-08-20 | 南京波长光电科技股份有限公司 | One kind disappears the curvature of field and the ultraviolet telecentricity f-theta camera lens of anastigmatic 355nm |
| CN110146968B (en) * | 2019-04-04 | 2023-11-28 | 南京波长光电科技股份有限公司 | 355nm ultraviolet telecentric f-theta lens capable of eliminating field curvature and astigmatism |
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