CN204807813U - Three -dimensional ladder mirror - Google Patents
Three -dimensional ladder mirror Download PDFInfo
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- CN204807813U CN204807813U CN201520419687.2U CN201520419687U CN204807813U CN 204807813 U CN204807813 U CN 204807813U CN 201520419687 U CN201520419687 U CN 201520419687U CN 204807813 U CN204807813 U CN 204807813U
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Abstract
The utility model relates to a laser technical field, concretely relates to three -dimensional ladder mirror, by multilayer ladder mirror layer forming, ladder mirror layer is two -dimentional ladder mirror, and every ladder mirror layer contains multistage step, and the platform wall of step is the plane of reflection, sets up a wall orientation and makes the emitting light path of same ladder mirror in situ incident laser after the reflection of platform wall all be parallel to each other and form an emergent light plane, and the exiting light beam facula on single ladder mirror layer is rectangular form, follow a plurality of ladder mirror layers and make up constitution three -dimensional ladder mirror in proper order with self emergent light plane vertically direction, make the emergent light on the all ladder mirror layers after the combination all keep syntropy and emergent light plane all to keep being parallel to each other, multilayer ladder mirror layer makes rectangular form exiting light beam extension squarely. Three -dimensional ladder mirror, have advantages such as simple structure, convenient to use, space utilization are high, light beam compression effect is good.
Description
Technical field
The utility model relates to laser technology field, particularly a kind of three-dimensional ladder lens that can realize shaping compression to laser beam two dimensions.
Background technology
Laser display technology has the features such as large colour gamut, low energy consumption, high life, and starts to apply in TV, micro projection, commercialization and entertainment systems.The Red and blue light part of LASER Light Source realizes primarily of semiconductor laser.But because the optical power density of semiconductor laser is inadequate, want noise spectra of semiconductor lasers to export light needing the application scenario of high optical power density and carry out laser beam compression.Laser beam compression can be realized by ladder lens.Existing technology mainly uses two-dimentional ladder lens, can only compress light beam in a direction, as shown in Figure 1, LASER Light Source S1 and S2 is due to the problem of own vol, emergent ray L1 and L2 interval larger, the interval of reflection ray R1 and R2 obtained after the reflection of two-dimentional ladder lens M obviously reduces, and light beam is compressed.
The incoming laser beam of general multiple light source is strip (hot spot) by the compression light beam that two-dimentional ladder lens obtains; But in many application scenarios, need compression to obtain square beam of light.As light beam coupling to optical fiber time, because light beam is oversize in the length in a direction, so be not easy coupling, and the square beam of light of same power is more easily coupled; And for example when Laser Processing, with lens focus strip light beam, there will be the problem that focus point is little not, cause power density not high enough, if user's shaped light beam, luminous power being concentrated in a region than being easier to.As shown in Figure 2, the technology of existing formation square beam of light coordinates light-beam forming unit to realize by conventional two-dimentional ladder lens, by the face incidence of the strip incident beam of two-dimentional ladder lens outgoing from light-beam forming unit, after inside is changed, from another face outgoing, form square outgoing beam.But this method makes laser power be restricted, seem very not enough in some high power laser application scenario.How simple and effectively carry out laser beam compression and obtain square beam of light becoming a problem demanding prompt solution.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of three-dimensional ladder lens as laser beam compression device, can compress the laser beam of many group laser emittings simultaneously, not only ensure laser power but also simply obtain square laser bundle efficiently.
The technical solution of the utility model is:
A kind of three-dimensional ladder lens, comprise ladder mirror layer, described ladder mirror layer is two-dimentional ladder lens, and each ladder mirror layer comprises multi-stage stairs, and every grade of step comprises table top and Tai Bi, and described table top connects and supports the platform wall of adjacent two-stage step; The corresponding a branch of incident laser of each described wall, platform wall is as reflecting surface; Tai Bi direction is determined according to the incident direction of its corresponding incident laser, and setting table wall direction makes the emitting light path of incident laser after the reflection of platform wall in same ladder mirror layer parallel mutually and forms an emergent light plane, and outgoing beam hot spot is strip; Described three-dimensional ladder lens along forming with the direction sequential combination of self emergent light plane orthogonal, makes the emergent light of all ladder mirror layer after combination all keep in the same way and emergent light plane all keeps being parallel to each other by multiple described ladder mirror layer; Stagger mutually in the step position of adjacent steps mirror layer, LASER Light Source can be allowed to have larger spacing.
Preferably, all steps in described three-dimensional ladder lens are in the distribution of homonymy order or distribute at both sides specular.The structure of three-dimensional ladder lens multistage employing symmetria bilateralis distribution is the simple extension of one-sided distribution step.
Preferably, the table tops at different levels in same ladder mirror layer are parallel to each other.
Preferred further, the table top in different ladder mirror layer is parallel mutually.
Preferred further, different ladder mirror layer meta is parallel mutually at different levels walls of homonymy.
Preferred further, the more incident laser incident direction of described three-dimensional ladder lens homonymy is all identical and perpendicular to table top, setting table wall direction makes its angle at 45 ° with the incident direction of corresponding incoming laser beam.
The utility model provides a kind of laser beam compression device that can compress laser beam two dimensions, can provide high-power square laser bundle easily, have the advantage that structure is simple, easy to use, space availability ratio is high, laser beam compression is effective.
Accompanying drawing explanation
Fig. 1 is the principle schematic of prior art ladder lens compression laser beam;
Fig. 2 is the principle schematic that prior art compression obtains square beam of light;
Fig. 3 is the three-dimensional ladder lens perspective view of the utility model;
Fig. 4 is the utility model three-dimensional ladder lens principle of work schematic diagram.
Wherein:
1: three-dimensional ladder lens; 1-1: the first ladder mirror layer; 1-2: the second ladder mirror layer; P1, P2: emergent light plane; 2-1,2-2,2-3: LASER Light Source; 3-1: the first light source platform; 3-2: secondary light source platform; A1, A2, A3: incident beam; B1, B2, B3: outgoing beam; A: step; A-1: table top; A-2: platform wall;
M: two-dimentional ladder lens; S1, S2: LASER Light Source; L1, L2: emergent ray; R1, R2: reflection ray;
Embodiment
The utility model is described further by embodiment below in conjunction with accompanying drawing, to understand the utility model better.
The three-dimensional ladder lens spatial structure of the present embodiment as shown in Figure 3.Three-dimensional ladder lens 1 is made up of two-layer, is the first ladder mirror layer 1-1 and the second ladder mirror layer 1-2 respectively; Described ladder mirror layer is two-dimentional ladder lens, and each ladder mirror layer comprises multi-stage stairs, and all step both sides in the three-dimensional ladder lens 1 of the present embodiment are specular distribution, stagger mutually in the step position of adjacent steps mirror layer; Every grade of step a comprises table top a-1 and platform wall a-2, and described table top connects and supports the platform wall of adjacent two-stage step, and all table tops in the three-dimensional ladder lens 1 of the present embodiment are parallel mutually; The corresponding a branch of incident laser of each described wall, platform wall is reflecting surface, and at different levels the walls being positioned at homonymy in three-dimensional ladder lens 1 are parallel mutually; The more incident laser incident direction of homonymy is all identical and perpendicular to table top, setting table wall direction makes its angle at 45 ° with the incident direction of corresponding incoming laser beam, and the outgoing beam after reflection is all parallel with table top.
LASER Light Source is positioned on light source platform, the corresponding second ladder mirror layer 1-2 of the first light source platform 3-1 corresponding first ladder mirror layer 1-1, secondary light source platform 3-2; Being positioned on lower first light source platform 3-1 for LASER Light Source 2-1 and LASER Light Source 2-3, LASER Light Source 2-1, on the reflecting surface (platform wall) of the incident first ladder mirror layer 1-1 of incident beam A1 of its outgoing, is outgoing beam B1 after reflection; LASER Light Source 2-3 is positioned over higher secondary light source platform 3-2, and on the reflecting surface (platform wall) of the incident second ladder mirror layer 1-2 of incident beam A3 of its outgoing, the outgoing beam B3 after reflection belongs to emergent light plane P 2; Meanwhile, incident beam A1 and A2 of LASER Light Source 2-1 and LASER Light Source 2-2 outgoing reflected by the first ladder mirror layer 1-1, and its outgoing beam B1 and B2 all belongs to emergent light plane P 1, and emergent light plane P 1 is parallel with P2; As shown in Figure 4, outgoing beam B1 and B3 is in the drawings from perpendicular to being overlap viewed from paper direction, and the interval of outgoing beam B1 and B2 will be significantly less than the interval of incident beam A1 and A2.
According to above-mentioned principle, compared to the two-dimentional ladder lens structure in Fig. 1, the second ladder mirror layer 1-2 in the three-dimensional ladder lens of Fig. 3 makes the strip laser beam of the first ladder mirror layer 1-1 outgoing at the Directional Extension perpendicular to emergent light plane P 1, and the compression light beam obtained is closer to square.According to the situation of reality, three-dimensional ladder lens can also arrange more multi-ladder mirror layer.
Should understand; above-described embodiment is only for illustrating technical conceive of the present utility model and feature; its object is to understand content of the present utility model for those skilled in the art and implement according to this, not embodiment is exhaustive, can not limit protection domain of the present utility model with this.Allly modify according to technical scheme of the present utility model or equivalent to replace, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a three-dimensional ladder lens, comprises ladder mirror layer, and described ladder mirror layer is two-dimentional ladder lens, and each ladder mirror layer comprises multi-stage stairs, and every grade of step comprises table top and Tai Bi, and described table top connects and supports the platform wall of adjacent two-stage step; The corresponding a branch of incident laser of each described wall, platform wall is reflecting surface; Tai Bi direction is determined according to the incident direction of its corresponding incident laser, and setting table wall direction makes the emitting light path of incident laser after the reflection of platform wall in same ladder mirror layer parallel mutually and forms an emergent light plane, and outgoing beam hot spot is strip; It is characterized in that:
Described three-dimensional ladder lens along forming with the direction sequential combination of self emergent light plane orthogonal, makes the emergent light of all ladder mirror layer after combination all keep in the same way and emergent light plane all keeps being parallel to each other by multiple described ladder mirror layer; Stagger mutually in the step position of adjacent steps mirror layer.
2. three-dimensional ladder lens according to claim 1, is characterized in that: all steps in described three-dimensional ladder lens are in the distribution of homonymy order or distribute at both sides specular.
3. three-dimensional ladder lens according to claim 1 and 2, is characterized in that: the table tops at different levels in same ladder mirror layer are parallel to each other.
4. three-dimensional ladder lens according to claim 3, is characterized in that: the table top in different ladder mirror layer is parallel mutually.
5. three-dimensional ladder lens according to claim 4, is characterized in that: different ladder mirror layer meta is parallel mutually at different levels walls of homonymy.
6. three-dimensional ladder lens according to claim 5, is characterized in that: the more incident laser incident direction of described three-dimensional ladder lens homonymy is all identical and perpendicular to table top, setting table wall direction makes its angle at 45 ° with the incident direction of corresponding incoming laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419687.2U CN204807813U (en) | 2015-06-17 | 2015-06-17 | Three -dimensional ladder mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520419687.2U CN204807813U (en) | 2015-06-17 | 2015-06-17 | Three -dimensional ladder mirror |
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| CN204807813U true CN204807813U (en) | 2015-11-25 |
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| CN201520419687.2U Active CN204807813U (en) | 2015-06-17 | 2015-06-17 | Three -dimensional ladder mirror |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017118349A1 (en) * | 2016-01-08 | 2017-07-13 | 深圳市光峰光电技术有限公司 | Reflector assembly fixing apparatus for optical system and light source device |
| CN107402450A (en) * | 2017-09-19 | 2017-11-28 | 北京速镭视激光科技有限公司 | A kind of three-dimensional echelon prism laser beam compression device |
| CN110806674A (en) * | 2018-08-06 | 2020-02-18 | 深圳市Tcl高新技术开发有限公司 | Laser light source module and projection display system |
-
2015
- 2015-06-17 CN CN201520419687.2U patent/CN204807813U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017118349A1 (en) * | 2016-01-08 | 2017-07-13 | 深圳市光峰光电技术有限公司 | Reflector assembly fixing apparatus for optical system and light source device |
| CN107402450A (en) * | 2017-09-19 | 2017-11-28 | 北京速镭视激光科技有限公司 | A kind of three-dimensional echelon prism laser beam compression device |
| CN107402450B (en) * | 2017-09-19 | 2023-09-12 | 合肥全色光显科技有限公司 | Three-dimensional stepped prism light beam compression device |
| CN110806674A (en) * | 2018-08-06 | 2020-02-18 | 深圳市Tcl高新技术开发有限公司 | Laser light source module and projection display system |
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Effective date of registration: 20231130 Address after: 241000 Chungu 3D Printing Industrial Park, Fanchang Economic Development Zone, Wuhu City, Anhui Province Patentee after: Anhui Zhongke Spring Valley Laser Industry Technology Research Institute Co.,Ltd. Address before: 210038 A building, Longgang science and Technology Park, Heng Yuan Road, Nanjing economic and Technological Development Zone, Jiangsu Patentee before: NANJING INSTITUTE OF ADVANCED LASER TECHNOLOGY |