CN204269912U - 1064nm Zooming expander optical system - Google Patents
1064nm Zooming expander optical system Download PDFInfo
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- CN204269912U CN204269912U CN201420709188.2U CN201420709188U CN204269912U CN 204269912 U CN204269912 U CN 204269912U CN 201420709188 U CN201420709188 U CN 201420709188U CN 204269912 U CN204269912 U CN 204269912U
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- expander optical
- zooming expander
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Abstract
The utility model relates to 1064nm Zooming expander optical system, and comprise the first lens, the second lens, the 3rd lens and the 4th lens that are arranged in order by light-wave irradiation direction, described first lens are plano-convex lens; Described second lens and the 3rd lens are negative meniscus lens; Described 4th lens are plano-convex lens; The left surface of the left surface of the first lens, the left surface of the second lens, the 3rd lens and the left surface of the 4th lens are all arranged on the side of light wave incidence.Superior effect of the present utility model is: described Zooming expander optical system is based on light propagation law, optimized by the first lens, the second lens, the 3rd lens and the 4th optics of lens mirror shape, make it all have in multiple multiplying power scope and good expand quality, expanding multiplying power is 2-4 times, transmitance in 1054nm-1074nm service band is greater than 96%, has good light transmission.
Description
Technical field
The utility model relates to technical field of optical, is specifically related to a kind of 1064nm Zooming expander optical system.
Background technology
Laser beam expanding lens mainly contains two purposes: the diameter of first expanded beam; It two is reduce the angle of divergence of laser beam; Beam expanding lens, for compressing the Laser Output Beam angle of divergence, is widely used in the industries such as industry, security protection, medical treatment.
Publication number is that the Chinese patent of CN101211001A discloses a kind of Zooming expander, comprises lens barrel, is arranged on the 3rd lens combination on lens barrel, and being arranged on one heart also can along described lens barrel the first slip lens barrel and the second slip lens barrel in axial sliding in described lens barrel, be separately positioned on the first lens combination on described first and second slip lens barrels and the second lens combination, and rotatable be set in outside described lens barrel for regulate the axial location of the relatively described lens barrel of described first and second slip lens barrel first regulate bracelet and second regulate bracelet, it is characterized in that, described Zooming expander comprises further: be set in the First Transition circle between above-mentioned lens barrel and the first adjustment bracelet, described First Transition circle regulates bracelet to join to be incorporated in described first to regulate translation vertically under the rotarily driving of bracelet by the first bearing pin/helicla flute mechanism and described first, described First Transition circle drives described first slip lens barrel translation vertically by synchrodyne, be set in the second transition ring between above-mentioned lens barrel and the second adjustment bracelet, second transition ring regulates bracelet to join to be incorporated in described second by the second bearing pin/keyway arrangements and described second and regulates bracelet to rotarily drive lower rotation, described second transition ring is joined merga pass by the second bearing pin/helicla flute mechanism and described second slip lens barrel and is rotarily driven described second slip lens barrel translation, and described First Transition circle is axially connected to bindiny mechanism by the first rotatable shaft with the second transition ring.This Zooming expander complex structure, poor practicability.
The subject matter of current beam expanding lens is that laser beam Zooming expander entrance pupil is less, can cause energy loss and do not reach good shaping effect to the laser shaping of large spot beam size; In addition popular on market Zooming expander zoom scope is comparatively large, and in some multiplying power situation, beam divergence angle compression is less than desirable effect.
Utility model content
In order to overcome defect of the prior art, the purpose of this utility model is to provide a kind of 1064nm Zooming expander optical system.
The utility model is achieved through the following technical solutions:
1064nm Zooming expander optical system, comprise the first lens, the second lens, the 3rd lens and the 4th lens that are arranged in order by light-wave irradiation direction, described first lens are plano-convex lens, the convex spherical of the left surface of the first lens to be radius-of-curvature be 15.631mm, and right flank is plane; Described second lens and the 3rd lens are negative meniscus lens, the convex spherical of the left surface of the second lens to be radius-of-curvature be 23.5mm, the concave spherical surface of right flank to be radius-of-curvature be 3.908mm; The convex spherical of the left surface of the 3rd lens to be radius-of-curvature be 22.23mm, the concave spherical surface of right flank to be radius-of-curvature be 10.0mm; Described 4th lens are plano-convex lens, and the left surface of the 4th lens is plane, the convex spherical of right flank to be radius-of-curvature be 88.51mm; The left surface of the left surface of the first lens, the left surface of the second lens, the 3rd lens and the left surface of the 4th lens are all arranged on the side of light wave incidence.
Described technical scheme is preferably, and the focal length of described first lens is 33.5mm, and clear aperature is 10mm.
Described technical scheme is preferably, and the focal length of described second lens is-10.89mm, and clear aperature is 10mm.
Described technical scheme is preferably, and the focal length of described 3rd lens is-37.95mm, and clear aperature is 8mm.
Described technical scheme is preferably, and the focal length of described 4th lens is 158mm, and clear aperature is 40mm.
Described technical scheme is preferably, and described first lens, the second lens, the 3rd lens and the 4th lens all adopt H-K9L crown glass to make.
Described technical scheme is preferably, and the coaxial axial deviation of described first lens, the second lens, the 3rd lens and the 4th lens be-0.05mm extremely+0.05mm.
Described technical scheme is preferably, and described first lens, the second lens, the 3rd lens and the 4th lens all plate 1054nm to 1074nm wave band anti-reflection film.
Compared with prior art, superior effect of the present utility model is: described Zooming expander optical system is based on light propagation law, optimized by the first lens, the second lens, the 3rd lens and the 4th optics of lens mirror shape, make it all have in multiple multiplying power scope and good expand quality, expanding multiplying power is 2-4 times, transmitance in 1054nm to 1074nm service band is greater than 96%, has good light transmission.
Accompanying drawing explanation
Fig. 1 is the utility model 1064nm Zooming expander optical system structure schematic diagram.
Accompanying drawing mark is as follows:
1-first lens, 2-second lens, 3-the 3rd lens, 4-the 4th lens.
Embodiment
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with accompanying drawing and example, are further elaborated to the utility model.Specific embodiment described herein only in order to explain the utility model, and is not used in restriction the utility model.
As shown in Figure 1,1064nm Zooming expander optical system described in the utility model is that a kind of entrance pupil is larger, beam divergence angle compresses better and the laser beam expanding lens optical system of homogenizer, specifically comprise the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 that are arranged in order according to light-wave irradiation direction, described first lens 1 are plano-convex lens, the left surface of the first lens 1 is convex spherical, and right flank is plane; Described second lens 2 and the 3rd lens 3 are negative meniscus lens, the left surface of the second lens 2 and the left surface of the 3rd lens 3 are convex spherical, the right flank of the second lens 2 and the right flank of the 3rd lens 3 are concave spherical surface, 4th lens 4 are plano-convex lens, the left surface of the 4th lens 4 is plane, and right flank is convex spherical; The left surface of the first lens 1, the left surface of the second lens 2, the left surface of the 3rd lens 3 and the left surface of the 4th lens 4 are all arranged on the side of light wave incidence.
The focal length of described first lens 1 is 33.5mm, and center thickness is 4mm, and clear aperature is 10mm, and wherein, the radius-of-curvature of the convex spherical of described first lens 1 is 15.631mm.
The focal length of described second lens 2 is-10.89mm, and center thickness is 8.78mm, and clear aperature is 10mm, and wherein, the radius-of-curvature of the convex spherical of the second lens 2 is 23.5mm; The radius-of-curvature of the concave spherical surface of the second lens 2 is 3.908mm.
The focal length of described 3rd lens 3 is-37.95mm, and center thickness is 2.00mm, and clear aperature is 8mm; Wherein, the radius-of-curvature of the convex spherical of the 3rd lens 3 is 22.23mm, and the radius-of-curvature of the concave spherical surface of the 3rd lens 3 is 10.0mm.
The focal length of described 4th lens 4 is 158mm, and center thickness is 10.0mm, and wherein the left surface of the 4th lens 4 is plane, and the radius-of-curvature of the convex spherical on the right side of it is 88.51mm.
The coaxial axial deviation of described first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 is-0.05mm to+0.05mm.
When using 1054nm to 1074nm wave band anti-reflection film, the zoom wave band that expands of 1064nm Zooming expander optical system described in the utility model comprises and expands multiplying power respectively in 2,2.5,3,3.5,4 times of situations, and described first lens 1, second lens 2, spacing distance between the 3rd lens 3 and the 4th lens 4 are as follows:
1064nm Zooming expander optical system described in the utility model is in 2 times of situations, and the spacing of the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 four lens is respectively 10.25mm, 3.48mm, 124.96mm from left to right;
1064nm Zooming expander optical system described in the utility model is in 2.5 times of situations, and the spacing of the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 four lens is respectively 10.25mm, 39.27mm, 123.26mm from left to right;
1064nm Zooming expander optical system described in the utility model is in 3 times of situations, and the spacing of the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 four lens is respectively 10.25mm, 73.03mm, 122.27mm from left to right;
1064nm Zooming expander optical system described in the utility model is in 3.5 times of situations, and the spacing of the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 four lens is respectively 10.25mm, 105.33mm, 121.61mm from left to right;
1064nm Zooming expander optical system described in the utility model is in 4 times of situations, and the spacing of the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 four lens is respectively 10.25mm, 125.07mm, 121.20mm from left to right.
First lens 1, second lens 2 described in the utility model, the 3rd lens 3 and the 4th lens 4 all adopt H-K9L crown glass, described first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4 all plate 1054nm to 1074nm anti-reflection film, and Zooming expander optical system described in the utility model overall transmitance in 1054nm to 1074nm scope is greater than 96%.
The utility model is not limited to above-mentioned embodiment, and when not deviating from flesh and blood of the present utility model, any distortion that it may occur to persons skilled in the art that, improvement, replacement all fall into scope of the present utility model.
Claims (8)
1.1064nm Zooming expander optical system, it is characterized in that, comprise the first lens, the second lens, the 3rd lens and the 4th lens that are arranged in order by light-wave irradiation direction, described first lens are plano-convex lens, the convex spherical of the left surface of the first lens to be radius-of-curvature be 15.631mm, right flank is plane; Described second lens and the 3rd lens are negative meniscus lens, the convex spherical of the left surface of the second lens to be radius-of-curvature be 23.5mm, the concave spherical surface of right flank to be radius-of-curvature be 3.908mm; The convex spherical of the left surface of the 3rd lens to be radius-of-curvature be 22.23mm, the concave spherical surface of right flank to be radius-of-curvature be 10.0mm; Described 4th lens are plano-convex lens, and the left surface of the 4th lens is plane, the convex spherical of right flank to be radius-of-curvature be 88.51mm; The left surface of the left surface of the first lens, the left surface of the second lens, the 3rd lens and the left surface of the 4th lens are all arranged on the side of light wave incidence.
2. Zooming expander optical system according to claim 1, is characterized in that, the focal length of described first lens is 33.5mm, and clear aperature is 10mm.
3. Zooming expander optical system according to claim 1, is characterized in that, the focal length of described second lens is-10.89mm, and clear aperature is 10mm.
4. Zooming expander optical system according to claim 1, is characterized in that, the focal length of described 3rd lens is-37.95mm, and clear aperature is 8mm.
5. Zooming expander optical system according to claim 1, is characterized in that, the focal length of described 4th lens is 158mm, and clear aperature is 40mm.
6. Zooming expander optical system according to claim 1, is characterized in that, described first lens, the second lens, the 3rd lens and the 4th lens all adopt H-K9L crown glass to make.
7. Zooming expander optical system according to claim 1, is characterized in that, the coaxial axial deviation of described first lens, the second lens, the 3rd lens and the 4th lens is-0.05mm to+0.05mm.
8. the Zooming expander optical system according to claim 1 or 6 or 7, is characterized in that, described first lens, the second lens, the 3rd lens and the 4th lens all plate 1054nm to 1074nm wave band anti-reflection film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709188.2U CN204269912U (en) | 2014-11-21 | 2014-11-21 | 1064nm Zooming expander optical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420709188.2U CN204269912U (en) | 2014-11-21 | 2014-11-21 | 1064nm Zooming expander optical system |
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| Publication Number | Publication Date |
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| CN204269912U true CN204269912U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420709188.2U Active CN204269912U (en) | 2014-11-21 | 2014-11-21 | 1064nm Zooming expander optical system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008372A (en) * | 2017-12-12 | 2018-05-08 | 北京航天计量测试技术研究所 | A kind of focusing type laser ranging receiving optics |
-
2014
- 2014-11-21 CN CN201420709188.2U patent/CN204269912U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008372A (en) * | 2017-12-12 | 2018-05-08 | 北京航天计量测试技术研究所 | A kind of focusing type laser ranging receiving optics |
| CN108008372B (en) * | 2017-12-12 | 2021-10-22 | 北京航天计量测试技术研究所 | Focusing type laser ranging receiving optical system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 101111 Tongzhou District City, Zhongguancun science and Technology Park, Tongzhou Industrial Park, the integration of optical and electrical integration of industrial base, Xing Guang street, No. four, No. 5 Patentee after: Beijing Polytron Technologies Inc Address before: 101111 Tongzhou District City, Zhongguancun science and Technology Park, Tongzhou Industrial Park, the integration of optical and electrical integration of industrial base, Xing Guang street, No. four, No. 5 Patentee before: Beijing Scitlion Technology Co., Ltd. |