CN106873118A - A kind of adjustable laser expands focusing arrangement - Google Patents
A kind of adjustable laser expands focusing arrangement Download PDFInfo
- Publication number
- CN106873118A CN106873118A CN201710169409.XA CN201710169409A CN106873118A CN 106873118 A CN106873118 A CN 106873118A CN 201710169409 A CN201710169409 A CN 201710169409A CN 106873118 A CN106873118 A CN 106873118A
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- Prior art keywords
- pipe
- focusing
- front lens
- body supports
- draw
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0905—Dividing and/or superposing multiple light beams
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
- G02B27/095—Refractive optical elements
- G02B27/0955—Lenses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
Focusing arrangement is expanded the invention discloses a kind of adjustable laser, including：Body supports pipe, focusing pipe and front lens sleeve pipe, focusing pipe sleeve is connected on the front end of body supports pipe, and front lens casing threads is connected in focusing pipe, and body supports pipe is provided with the limiting section that limitation front lens sleeve pipe is rotated, by rotating focusing pipe, front lens sleeve pipe is moved along its axis direction.The rotation of body supports pipe can be limited by limiting section, when focusing pipe is rotated, front lens sleeve pipe can be moved along its axis direction, it is capable of achieving the purpose of focusing, when current lens reach most inner side, the focus of front lens overlaps with the focus of rear lenses, and it is collimated light beam to expand；During current lens are moved from most interior lateral outermost, laser spot is from infinity constantly to nearby focusing on.Importantly, in the case of keeping front lens non-rotary, the achievable purpose for expanding of focusing, therefore front lens can be avoided due to circumferential foozle, in rotary course, produced error of focusing.
Description
Technical field
The present invention relates to optical field, more particularly to a kind of adjustable laser expands focusing arrangement.
Background technology
The advantages of laser heterodyne interference technology is with its high precision, strong environmental adaptability, has obtained extensively in terms of measurement
Application, from measurement automobile vibration frequency to measurement micro-nano device the vibration shape, wherein laser beam expanding lens be such application pass
Key member.At present to the focusing mode of beam expanding lens, mainly there are the modes such as rotation focusing, electromotion focusing, preset lens can be caused mostly
The rotation of head.In actual applications, due to the circumferential foozle or rigging error of preposition camera lens, in rotary course, all
Larger error of focusing can be produced, therefore there is certain using to limit under the scene of the high-acruracy surveys such as micromicron nanometer.
Therefore, how a kind of relatively low adjustable laser of error of focusing is provided and expands focusing arrangement, be those skilled in the art
It is badly in need of the technical problem for solving.
The content of the invention
Focusing arrangement is expanded it is an object of the invention to provide a kind of adjustable laser, error of focusing can be effectively solved higher etc.
Problem.
In order to solve the above technical problems, the invention provides following technical scheme：
A kind of adjustable laser expands focusing arrangement, including：Body supports pipe, focusing pipe and front lens sleeve pipe, the focusing
Pipe sleeve is connected on the front end of the body supports pipe, and the front lens casing threads is connected in the focusing pipe, the main body branch
Stay tube is provided with the limiting section that the limitation front lens sleeve pipe is rotated, by rotating the focusing pipe, the front lens sleeve pipe edge
Its axis direction is moved.
Preferably, the limiting section is the limit rotation draw-in groove screw for being arranged on the body supports pipe front end, the front lens
It is provided with gathering sill on the outside of sleeve pipe, the axis of the gathering sill and the front lens sleeve pipe is parallel to each other, the limit rotation draw-in groove spiral shell
The end of nail is located in the gathering sill.
Preferably, the body supports pipe is provided with described at least two and limits rotation draw-in groove screw, on the front lens sleeve pipe
It is provided with and the one-to-one a plurality of gathering sill of limit rotation draw-in groove screw.
Preferably, the limit rotation draw-in groove screw is uniformly distributed along the circumferencial direction of the body supports pipe.
Preferably, the limit rotation draw-in groove screw includes thread segment and light shaft part, and the optical axis section is located in the gathering sill,
And the side wall of the smooth shaft part and the gathering sill contacts with each other.
Preferably, the body supports pipe is provided with the limit shifting draw-in groove screw of the limitation focusing pipe axial movement, described
Focusing pipe is provided with the annular groove that draw-in groove screw fit is moved with the limit.
Preferably, the body supports pipe is provided with multiple limits and moves draw-in groove screw, and multiple limits move draw-in groove screw
It is uniformly distributed along the circumferencial direction of the annular groove.
Preferably, the focusing pipe coordinates with the body supports tube transitions.
Compared with prior art, above-mentioned technical proposal has advantages below：
A kind of adjustable laser provided by the present invention expands focusing arrangement, including：Body supports pipe, focusing pipe and front lens
Sleeve pipe, focusing pipe sleeve is connected on the front end of body supports pipe, and front lens casing threads is connected in focusing pipe, body supports Guan Shangshe
The limiting section that restricted front lens sleeve pipe is rotated, by rotating focusing pipe, front lens sleeve pipe is moved along its axis direction.
Wherein, front lens is provided with front lens sleeve pipe, front lens is fixed in the focusing pipe by snap ring, body supports
The rear end of pipe is provided with rear lenses, its rear end by being fixed on body supports pipe with ring and pressure ring, can be limited by limiting section
The rotation of body supports pipe, when focusing pipe is rotated, front lens sleeve pipe can be moved along its axis direction, you can realize focusing
Purpose, current lens reach most inner side when, the focus of front lens overlaps with the focus of rear lenses, and it is collimated light beam to expand；When
During front lens is moved from most interior lateral outermost, laser spot is from infinity constantly to nearby focusing on.Importantly,
In the case of keeping front lens non-rotary, the achievable purpose for expanding of focusing, therefore front lens can be avoided to be missed due to circumferential manufacture
Difference, in rotary course, produced error of focusing.
Brief description of the drawings
In order to illustrate more clearly of technical scheme of the invention or of the prior art, below will be to embodiment or prior art
The accompanying drawing to be used needed for description is briefly described, it should be apparent that, drawings in the following description are more of the invention
Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is expanded the structural representation of focusing arrangement by a kind of adjustable laser that a kind of specific embodiment of the invention is provided
Figure；
Fig. 2 by a kind of adjustable laser that a kind of specific embodiment of the invention is provided expand focusing arrangement focusing pipe and
The assembling structure schematic diagram of front lens sleeve pipe.
Reference is as follows：
1 is main body support tube, and 2 manage for focusing, and 21 is annular groove, and 3 is front lens sleeve pipe, and 31 is gathering sill, and 32 is spacing
Screw, 4 are limited revolves draw-in groove screw, and 5 are limited moves draw-in groove screw, and 6 is front lens, and 7 is snap ring, and 8 is rear lenses, and 9 is pressure ring, and 10 are
With ring.
Specific embodiment
Just as described in the background section, current laser beam expanding lens are passing through due to the circumferential foozle of front lens
Front lens is rotated during being focused, and can produce error.
On the basis of based on the studies above, the embodiment of the invention provides a kind of adjustable laser and expand focusing arrangement, protecting
Hold front lens it is non-rotary in the case of, the achievable purpose that expands of focusing, therefore front lens can be avoided due to circumferential foozle,
In rotary course, produced error of focusing.
In order that the above objects, features and advantages of the present invention can become apparent it is understandable, below in conjunction with the accompanying drawings to this hair
Bright specific embodiment is described in detail.
Elaborate detail in order to fully understand the present invention in the following description.But the present invention can with it is various not
It is same as other manner described here to implement, those skilled in the art can do class in the case of without prejudice to intension of the present invention
Like popularization.Therefore the present invention is not limited by following public specific embodiment.
Fig. 1 and Fig. 2, Fig. 1 be refer to by that a kind of adjustable laser that a kind of specific embodiment of the invention is provided is expanded is poly-
The structural representation of coke installation；Fig. 2 expands focusing dress by a kind of adjustable laser that a kind of specific embodiment of the invention is provided
The focusing pipe and the assembling structure schematic diagram of front lens sleeve pipe put.
A kind of specific embodiment of the invention expands focusing arrangement there is provided a kind of adjustable laser, including：Body supports
Pipe 1, focusing pipe 2 and front lens sleeve pipe 3, focusing pipe 2 are socketed in the front end of body supports pipe 1, and front lens sleeve pipe 3 is threaded in
In focusing pipe 2, body supports pipe 1 is provided with the limiting section that limitation front lens sleeve pipe 3 is rotated, by rotating focusing pipe 2, front lens
Sleeve pipe 3 is moved along its axis direction.
In the present embodiment, front lens 6 is provided with front lens sleeve pipe 3, front lens 6 is fixed on the focusing by snap ring 7
In pipe 2, the rear end of body supports pipe 1 is provided with rear lenses 8, after it with ring 10 and pressure ring 9 by being fixed on body supports pipe 1
End, the rotation of body supports pipe 1 can be limited by limiting section, and when focusing pipe 2 is rotated, front lens sleeve pipe 3 can be along its axis
Direction moves, you can realize the purpose of focusing, when current lens 6 reach most inner side, focus and the rear lenses 8 of front lens 6
Focus overlap, it is collimated light beam to expand；During current lens 6 are moved from most interior lateral outermost, laser spot is from nothing
It is poor remote constantly to nearby focusing on.Importantly, in the case of keeping front lens 6 non-rotary, the achievable purpose for expanding of focusing,
Therefore front lens 6 can be avoided due to circumferential foozle, in rotary course, produced error of focusing.
Further, limiting section is the limit rotation draw-in groove screw 4 for being arranged on the front end of body supports pipe 1, outside front lens sleeve pipe 3
Side is provided with gathering sill 31, and the axis of gathering sill 31 and front lens sleeve pipe 3 is parallel to each other, and the end of limit rotation draw-in groove screw 4 is located at leads
To in groove 31.Wherein gathering sill 31 can be the gathering sill 31 of closed at both ends, or opening for front lens sleeve pipe 3 is stretched out in end
Formula gathering sill 31 is put, when being open gathering sill 31, a spacing spiral shell can be set on the lateral wall of the end of front lens sleeve pipe 3
32 are followed closely to limit its axial movement.
It should be noted that limit rotation draw-in groove screw 4 is simply preferred, limiting section can also be specifically that pin or fixture block etc. can
To limit the part of front lens sleeve pipe 3, specifically depend on the circumstances, the present embodiment is not limited this.
Further, body supports pipe 1 is provided with least two limits rotation draw-in groove screw 4, front lens sleeve pipe 3 be provided with and
The one-to-one a plurality of gathering sill 31 of limit rotation draw-in groove screw 4.Draw-in groove screws 4 and a plurality of gathering sill 31 are revolved by multiple limit, can be with
More fully ensure that front lens sleeve pipe 3 is not rotated during movement.
Wherein, limit rotation draw-in groove screw 4 is uniformly distributed along the circumferencial direction of body supports pipe 1.Certain gathering sill 31 also should be
The circumferencial direction of front lens sleeve pipe 3 is uniformly distributed.
Further, limit rotation draw-in groove screw 4 includes thread segment and light shaft part, and optical axis section is located in gathering sill 31, and light
The side wall of shaft part and gathering sill 31 contacts with each other.Wherein thread segment is used to for limit rotation draw-in groove screw 4 to be fixed on body supports pipe 1
On, light shaft part can ensure front lens 6 during movement, not by the scratch of limit rotation draw-in groove screw 4, and then influence focusing essence
Degree.
For the ease of the focusing arrangement that assembling above-described embodiment is provided, the main body branch of the focusing arrangement that the present embodiment is provided
The limit that stay tube 1 is provided with the limitation focusing axial movement of pipe 2 moves draw-in groove screw 5, and focusing pipe 2 is provided with and limits shifting draw-in groove screw 5 and matches somebody with somebody
The annular groove 21 of conjunction.
It should be noted that the focusing arrangement that above-described embodiment is supplied, should also possess the limitation focusing movement of pipe 2 zero
Part, the limit shifting draw-in groove screw 5 that the present embodiment is provided can not only limit focusing pipe 2 and move, and may also operate as filling focusing pipe 2
Fit over the effect on body supports pipe 1, and convenient disassembly.
Further, body supports pipe 1 is provided with multiple limits and moves draw-in groove screw 5, and multiple limit moves draw-in groove screw 5 along annular groove
21 circumferencial direction is uniformly distributed.Therefore can fully ensure that focusing pipe 2 is rotated without movement.
Additionally, focusing pipe 2 preferably uses interference fits with body supports pipe 1.The smooth of focusing movements can be ensured.
Also, it should be noted that herein, such as term " including ", "comprising" or its any other variant be intended to contain
Lid nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of adjustable laser expands focusing arrangement, it is characterised in that including：Body supports pipe, focusing pipe and front lens sleeve pipe,
The focusing pipe sleeve is connected on the front end of the body supports pipe, and the front lens casing threads is connected in the focusing pipe, institute
State body supports pipe and be provided with the limiting section for limiting the front lens sleeve pipe rotation, it is described preceding saturating by rotating the focusing pipe
Mirror sleeve pipe is moved along its axis direction.
2. adjustable laser according to claim 1 expands focusing arrangement, it is characterised in that the limiting section is to be arranged on
The limit rotation draw-in groove screw of body supports pipe front end is stated, gathering sill, the gathering sill and institute are provided with the outside of the front lens sleeve pipe
The axis for stating front lens sleeve pipe is parallel to each other, and the end of the limit rotation draw-in groove screw is located in the gathering sill.
3. adjustable laser according to claim 2 expands focusing arrangement, it is characterised in that the body supports pipe is provided with
Rotation draw-in groove screw is limited described at least two, the front lens sleeve pipe is provided with a plurality of correspondingly with the limit rotation draw-in groove screw
The gathering sill.
4. adjustable laser according to claim 3 expands focusing arrangement, it is characterised in that the limit revolves draw-in groove screw along institute
The circumferencial direction for stating body supports pipe is uniformly distributed.
5. the adjustable laser according to any one of claim 2 to 4 expands focusing arrangement, it is characterised in that the limit rotation card
Grooved screw includes thread segment and light shaft part, and the optical axis section is located in the gathering sill, and the smooth shaft part and the gathering sill
Side wall contact with each other.
6. adjustable laser according to claim 5 expands focusing arrangement, it is characterised in that the body supports pipe is provided with
The limit of the limitation focusing pipe axial movement moves draw-in groove screw, and the focusing pipe is provided with and moves draw-in groove screw fit with the limit
Annular groove.
7. adjustable laser according to claim 6 expands focusing arrangement, it is characterised in that the body supports pipe is provided with
Multiple limits move draw-in groove screw, and multiple limits are moved draw-in groove screw and are uniformly distributed along the circumferencial direction of the annular groove.
8. adjustable laser according to claim 7 expands focusing arrangement, it is characterised in that the focusing pipe and the main body
Support tube interference fits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169409.XA CN106873118A (en) | 2017-03-21 | 2017-03-21 | A kind of adjustable laser expands focusing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710169409.XA CN106873118A (en) | 2017-03-21 | 2017-03-21 | A kind of adjustable laser expands focusing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106873118A true CN106873118A (en) | 2017-06-20 |
Family
ID=59171748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710169409.XA Withdrawn CN106873118A (en) | 2017-03-21 | 2017-03-21 | A kind of adjustable laser expands focusing arrangement |
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| Country | Link |
|---|---|
| CN (1) | CN106873118A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422451A (en) * | 2017-08-30 | 2017-12-01 | 长春长光精密仪器集团有限公司 | Small-sized hand-operated focusing lens |
| CN110515165A (en) * | 2019-08-28 | 2019-11-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of laser coupled focus adjusting mechanism |
| CN111822851A (en) * | 2020-08-17 | 2020-10-27 | 卡门哈斯激光科技（苏州）有限公司 | Adjustable beam expanding lens |
| CN112846489A (en) * | 2020-12-31 | 2021-05-28 | 浙江迪谱诊断技术有限公司 | Angle-adjustable laser beam expanding focusing device |
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| CN101738730A (en) * | 2009-12-31 | 2010-06-16 | 中国科学院长春光学精密机械与物理研究所 | Laser beam expander featuring adjustable lens spacing |
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2017
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| US8254045B1 (en) * | 2009-06-05 | 2012-08-28 | Benner Jr William R | High-speed Z-axis focusing device and associated methods |
| CN101738730A (en) * | 2009-12-31 | 2010-06-16 | 中国科学院长春光学精密机械与物理研究所 | Laser beam expander featuring adjustable lens spacing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422451A (en) * | 2017-08-30 | 2017-12-01 | 长春长光精密仪器集团有限公司 | Small-sized hand-operated focusing lens |
| CN110515165A (en) * | 2019-08-28 | 2019-11-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of laser coupled focus adjusting mechanism |
| CN111822851A (en) * | 2020-08-17 | 2020-10-27 | 卡门哈斯激光科技（苏州）有限公司 | Adjustable beam expanding lens |
| CN112846489A (en) * | 2020-12-31 | 2021-05-28 | 浙江迪谱诊断技术有限公司 | Angle-adjustable laser beam expanding focusing device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170620 |
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| WW01 | Invention patent application withdrawn after publication |