CN106950674A - A kind of device and application method that low-angle is tilted for transmission type optical system - Google Patents
A kind of device and application method that low-angle is tilted for transmission type optical system Download PDFInfo
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- CN106950674A CN106950674A CN201710306942.6A CN201710306942A CN106950674A CN 106950674 A CN106950674 A CN 106950674A CN 201710306942 A CN201710306942 A CN 201710306942A CN 106950674 A CN106950674 A CN 106950674A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- 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
- G02B27/0018—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for preventing ghost images
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- Optics & Photonics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of device and application method that low-angle is tilted for transmission type optical system, belong to high power optical systems technology field, described device includes light source assembly, module of optical system, small aperture member and detection components, the module of optical system includes debugging standard station, holder and transmission type optical system, the small aperture member includes the first aperture being located on transmission type optical system optical axis, second orifice and the 3rd aperture, the detection components are located on the outside of the optical axis of transmission type optical system, and it is correspondingly arranged with small aperture member, falling head of the invention by controlling second orifice and the 3rd aperture, to be precisely controlled the lateral attitude of transmission type optical system, transmission type optical system is set to meet the inclined low-angle of its needs, it is simple compact, low cost, it is easy to operate, simultaneously, described device is applied to any transmission type optical system and tilts certain low-angle, it is practical.
Description
Technical field
The invention belongs to high power optical systems technology field, relate in particular to one kind and incline for transmission type optical system
The device and application method of oblique low-angle.
Background technology
In complex high power optical system, in addition to main laser, there is system in also substantial amounts of veiling glare
Among, this veiling glare is referred to as terrible light beam.Terrible beam Propagation path and transmission characteristic are generally different from main laser, but often go out
Present some sensitizing ranges, cause beam quality declines the destruction of even optical element, so as to cause the broken of main beam characteristic
It is bad, and terrible light beam is formed by the residual reflection on various transmissive optical elements (containing aperture plate) surface.
The existing main method for eliminating terrible light beam is to be emulated in the design process by optical design software, makes terrible light beam inclined
From image planes, reduce influence of the terrible light beam to system as far as possible, still, terrible light beam can not be completely eliminated in this method.In light laser
In system, optical system surface inevitably reflects certain laser energy, it is possible to cause the damage of optical system surface
Wound, and finally influence the quality of laser beam.In actual application, optical system is typically set to tilt certain low-angle to reach
To the influence for eliminating terrible light beam, but requirement can not change the direction of laser beam again simultaneously, and therefore, inclined low-angle needs spy
Not strict control.In the existing transmission type optical system for eliminating terrible light beam influence, still no one kind makes optical system essence
Really tilt the device of certain angle.
The content of the invention
For a variety of deficiencies of prior art, in order to solve the above problems, inventor uses theory of geometric optics, to laser
Beam optical path is carried out after analyzing repeatedly, proposes a kind of device and application method that low-angle is tilted for transmission type optical system.
To achieve the above object, the present invention provides following technical scheme：
A kind of device that low-angle is tilted for transmission type optical system, including：
Light source assembly, it is used for outgoing laser beam；
Module of optical system, it includes debugging standard station, holder and transmission type optical system, the transmitted light system
System includes object space node and image space node, and it is connected by holder with debugging standard station；
Small aperture member, it includes the first aperture, second orifice and the 3rd aperture being located on transmission type optical system optical axis,
First aperture, module of optical system, second orifice and the 3rd aperture are arranged in order along the transmission direction of laser beam, described
Two-dimension adjustment platform is provided with below small aperture member；
And detection components, it is located on the outside of the optical axis of transmission type optical system, the detection components and small aperture member pair
It should set, the center of small aperture member whether is located at for detection laser beam.
Further, the light source assembly includes five dimension adjustment platforms and laser, and the laser is located on five dimension adjustment platforms,
It exports collimated laser beam, a diameter of 3mm-5mm of the laser beam.
Further, the aperture of the small aperture member be 0.2mm-5mm, the spacing of first aperture and second orifice and
The spacing of second orifice and the 3rd aperture is 200mm-1500mm.
Further, the detection components include the first camera, second camera and the 3rd camera, wherein, described the
One camera is correspondingly arranged with the first aperture, and the second camera is correspondingly arranged with second orifice, the 3rd camera with
3rd aperture is correspondingly arranged.
Further, the Adjustment precision of the two-dimension adjustment platform and five dimension adjustment platforms is superior to 0.01mm.
Further, the small aperture member is aluminum design or steel design.
Separately, the present invention also provides a kind of application method for the device that low-angle is tilted for transmission type optical system, including
Following steps：
S1：Two-dimension adjustment platform is adjusted, promotes the first aperture, second orifice and the 3rd aperture to be located at transmission type optical system
On optical axis；
S2：The dimension adjustment platforms of adjustment five, promote the laser beam that laser is exported also cross the first aperture, second orifice and the
Three apertures, and the facula position on small aperture member is monitored using detection components, it is ensured that hot spot is located in small aperture member
At the heart；
S3：Second orifice and the identical height of the 3rd aperture are reduced, the attitude of regulation transmission type optical system makes its inclination small
Angle, it is ensured that laser beam is again also cross second orifice and the 3rd aperture, and hot spot is located at the center of small aperture member.
Further, the object space node and image space nodal distance of the transmission type optical system are L, and laser beam incides object space
Through image space node outgoing after on node, reduce second orifice and the identical height h of the 3rd aperture and adjust transmission type optical system
After attitude, the optical axis included angle of incoming laser beam and transmission type optical system is α, shoot laser beam and transmission type optical system light
Axle clamp angle is β, and α=β, incoming laser beam produces displacement d, and d with shoot laser beam on the direction perpendicular to laser beam
=h=L × sin α, wherein, α is that transmission type optical system needs inclined low-angle.
Further, inclined low-angle α is needed according to transmission type optical system, calculates second orifice and the 3rd aperture
Falling head h simultaneously adjusts height, adjusts the attitude of transmission type optical system, makes laser beam again also cross second orifice and the
Three apertures, and ensure that hot spot is located at the center of small aperture member, now, the attitude of transmission type optical system is that it tilts small angle
Attitude after degree.
The beneficial effects of the invention are as follows：
By controlling the falling head of second orifice and the 3rd aperture, to be precisely controlled the inclination appearance of transmission type optical system
State, makes transmission type optical system meet the inclined low-angle of its needs, simple compact, low cost, easy to operate, meanwhile, it is described
Device is applied to any transmission type optical system and tilts certain low-angle, practical.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the overlooking the structure diagram of the present invention；
Fig. 3 is to adjust the laser beam light path schematic diagram before transmission type optical system attitude；
Fig. 4 is to adjust the laser beam light path schematic diagram after transmission type optical system attitude.
In accompanying drawing：The dimension adjustment of 1- five platform, 2- lasers, 3- two-dimension adjustments platform, the apertures of 4- first, 5- debugging standard station, 6-
Holder, 7- transmission type optical systems, 8- two-dimension adjustments platform, 9- second orifices, 10- two-dimension adjustments platform, the apertures of 11- the 3rd, 12-
Second camera, the cameras of 13- the 3rd, the cameras of 14- first, 15- transmission type optical systems optical axis, 16- object spaces node, 17-
Image space node, 18- laser beams.
Embodiment
In order that those skilled in the art more fully understand technical scheme, it is right with reference to the accompanying drawing of the present invention
Technical scheme carries out clear, complete description, and based on the embodiment in the application, those of ordinary skill in the art exist
The other class be the same as Examples obtained on the premise of not making creative work, should all belong to the scope of the application protection.
Only it is the direction of refer to the attached drawing such as " on " " under " " left side " " right side " in addition, the direction word mentioned in following examples, because
This, the direction word used is for illustrative and not limiting the invention.
Embodiment one：
As Figure 1-3, a kind of device that low-angle is tilted for transmission type optical system, including light source assembly, optics
System component, small aperture member and detection components, the light source assembly include five dimension adjustment platforms 1 and laser 2, the laser
2 are located on five dimension adjustment platforms 1, and it exports collimated laser beam 18, a diameter of 3mm-5mm of the laser beam 18.
The module of optical system includes debugging standard station 5, holder 6 and transmission type optical system 7, the transmission-type light
System 7 is connected by holder 6 with debugging standard station 5, and the transmission type optical system 7 includes object space node 16 and image space section
Point 17, laser beam 18 incide on object space node 16 after through the outgoing of image space node 17, the debugging standard station 5 be high power optical
The conventional debugging apparatus in systems technology field, it can drive transmission type optical system 7 to realize three-dimensional direction moving, and can adjust thoroughly
Penetrate angle of inclination and the luffing angle of formula optical system 7, preferably 6-dof motion platform.
The small aperture member includes the first aperture 4, the second orifice 9 and the 3rd being located on transmission type optical system optical axis 15
Aperture 11, the transmission direction of first aperture 4, module of optical system, the aperture 11 of second orifice 9 and the 3rd along laser beam 18
It is arranged in order, in order to realize the two-dimensional movement of small aperture member, the lower section of the first aperture 4 is provided with two-dimension adjustment platform 3, second orifice 9
Lower section is provided with two-dimension adjustment platform 8, and the lower section of the 3rd aperture 11 is provided with two-dimension adjustment platform 10, meanwhile, in order to improve Adjustment precision,
The two-dimension adjustment platform 3, two-dimension adjustment platform 8, the Adjustment precision of the dimension adjustment platform 1 of two-dimension adjustment platform 10 and five are superior to 0.01mm.
The two-dimension adjustment platform and five dimension adjustment platforms 1 are the debugging apparatus that high power optical systems technology field is commonly used, and the two dimension is adjusted
Whole is preferably optics two-dimension adjustment frame, and the five dimensions adjustment platform 1 is preferably the dimension adjustment frame of optics five.The hole of the small aperture member
Footpath is 0.2mm-5mm, and first aperture 4 and the spacing of second orifice 9 and the spacing of second orifice 9 and the 3rd aperture 11 are equal
For 200mm-1500mm, the small aperture member is aluminum design or steel design, and does blackening process, the cause of blackening process generation
Close oxide-film plays anti-rust action to small aperture member top layer.
The detection components are located at the outside of transmission type optical system optical axis 15, and the detection components are corresponding with small aperture member to be set
Put, the center of small aperture member whether is located at for detection laser beam 18.The detection components are taken the photograph including the first camera 14, second
The camera 13 of picture first 12 and the 3rd, wherein, first camera 14 is correspondingly arranged with the first aperture 4, the second camera
12 are correspondingly arranged with second orifice 9, and the 3rd camera 13 is correspondingly arranged with the 3rd aperture 11.
Embodiment two：
As Figure 1-3, the object space node 16 and image space node 17 of transmission type optical system 7 are apart from for L, transmitted light
System 7 perpendicular to horizontally arranged, laser beam 18 with transmission type optical system optical axis 15 is at an angle incides object space node 16
When upper, shoot laser beam 18 is from the outgoing of image space node 17, and shoot laser beam 18 and the angle of transmission type optical system optical axis 15 are β,
Understand that α=β, i.e. incoming laser beam 18 do not change with the direction of shoot laser beam 18 according to geometric knowledge, simply perpendicular to sharp
The direction of light beam 18 generates certain displacement, and displacement is d, then d=L × sin α, due to the thing of transmission type optical system 7
The position of Fang Jiedian 16 and image space node 17 is fixed, that is to say, that L is known, therefore, as long as precise control laser beam
The 18 displacement d produced, it is possible to the angle of precise control laser beam 18 and transmission type optical system optical axis 15.
As shown in Figure 1, Figure 2 and Figure 4, laser beam 18 is incident in the horizontal direction, and transmission type optical system 7 tilts certain small
Angle, now, α had both represented incoming laser beam 18 and the angle of transmission type optical system optical axis 15, also illustrated that transmission type optical system 7
Inclined low-angle, that is to say, that as long as the displacement d that precise control laser beam 18 is produced, it is possible to precise control transmission-type
The inclined low-angle of optical system 7.In the present embodiment, displacement d is become by controlling the height of the aperture 11 of second orifice 9 and the 3rd
Change to quantify.
A kind of application method for the device that low-angle is tilted for transmission type optical system is present embodiments provided, including such as
Lower step：
S1：Two-dimension adjustment platform is adjusted, promotes the first aperture 4, the aperture 11 of second orifice 9 and the 3rd to be located at transmitted light system
On the optical axis of system 7；
S2：The dimension adjustment platform 1 of adjustment five, the laser beam 18 for promoting laser 2 to export is small also cross the first aperture 4, second
The aperture 11 of hole 9 and the 3rd, and the facula position on small aperture member is monitored using detection components, it is ensured that hot spot is located at aperture
The center of component；
S3：The identical height h of 9 and the 3rd aperture of second orifice 11 is reduced, the attitude of transmission type optical system 7 is adjusted, makes to swash
Light beam 18 ensures that hot spot is located at the center of small aperture member again also cross the aperture 11 of second orifice 9 and the 3rd,
That is, the laser beam 18 of outgoing is also cross the aperture 11 of second orifice 9 and the 3rd, because incident laser beam 18 passes through first
Aperture 4, therefore, the displacement d that laser beam 18 is produced are equal to second orifice 9 (or the 3rd aperture 11), the difference in height of the first aperture 4
H, then d=h=L × sin α, inclined low-angle α is needed according to transmission type optical system 7, calculates second orifice 9 and the 3rd
The falling head h of aperture 11 simultaneously adjusts height, adjusts the attitude of transmission type optical system 7, is ensureing laser beam 18 again simultaneously
On the premise of being located at the center of small aperture member through the aperture 11 of second orifice 9 and the 3rd and hot spot, now, transmitted light system
The attitude of system 7 is that it tilts the attitude after low-angle.
The present invention is described in detail above, the above, only the preferred embodiments of the invention, when can not
Limit the scope of the present invention, i.e., it is all to make impartial change and modification according to the application scope, it all should still belong to covering scope of the present invention
It is interior.
Claims (9)
1. a kind of device that low-angle is tilted for transmission type optical system, it is characterised in that including：
Light source assembly, it is used for outgoing laser beam；
Module of optical system, it includes debugging standard station, holder and transmission type optical system, the transmission type optical system bag
Object space node and image space node are included, it is connected by holder with debugging standard station；
Small aperture member, it includes the first aperture, second orifice and the 3rd aperture being located on transmission type optical system optical axis, described
First aperture, module of optical system, second orifice and the 3rd aperture are arranged in order along the transmission direction of laser beam, the aperture
Two-dimension adjustment platform is provided with below component；
And detection components, it is located on the outside of the optical axis of transmission type optical system, and the detection components are corresponding with small aperture member to be set
Put, the center of small aperture member whether is located at for detection laser beam.
2. a kind of device that low-angle is tilted for transmission type optical system according to claim 1, it is characterised in that institute
Stating light source assembly includes five dimension adjustment platforms and laser, and the laser is located on five dimension adjustment platforms, and it exports collimated laser beam,
A diameter of 3mm-5mm of the laser beam.
3. a kind of device that low-angle is tilted for transmission type optical system according to claim 1, it is characterised in that institute
The aperture for stating small aperture member is 0.2mm-5mm, first aperture and the spacing and second orifice of second orifice and the 3rd small
The spacing in hole is 200mm-1500mm.
4. according to a kind of any described devices that low-angle is tilted for transmission type optical system of claim 1-3, its feature
Be, the detection components include the first camera, second camera and the 3rd camera, wherein, first camera with
First aperture is correspondingly arranged, and the second camera is correspondingly arranged with second orifice, the 3rd camera and the 3rd aperture pair
It should set.
5. a kind of device that low-angle is tilted for transmission type optical system according to claim 4, it is characterised in that institute
The Adjustment precision for stating two-dimension adjustment platform and five dimension adjustment platforms is superior to 0.01mm.
6. a kind of device that low-angle is tilted for transmission type optical system according to claim 4, it is characterised in that institute
Small aperture member is stated for aluminum design or steel design.
7. a kind of user that transmission type optical system tilts the device of low-angle that is used for using as described in claim 1-6
Method, it is characterised in that comprise the following steps：
S1：Two-dimension adjustment platform is adjusted, promotes the first aperture, second orifice and the 3rd aperture to be located at the optical axis of transmission type optical system
On；
S2：The dimension adjustment platform of adjustment five, the laser beam for promoting laser to export is small also cross the first aperture, second orifice and the 3rd
Hole, and the facula position on small aperture member is monitored using detection components, it is ensured that hot spot is located at the center of small aperture member；
S3：Second orifice and the identical height of the 3rd aperture are reduced, the attitude of regulation transmission type optical system makes it tilt low-angle,
Ensure laser beam again also cross second orifice and the 3rd aperture, and hot spot is located at the center of small aperture member.
8. a kind of application method of device that low-angle is tilted for transmission type optical system according to claim 7, its
It is characterised by, the object space node and image space nodal distance of the transmission type optical system are L, and laser beam is incided on object space node
By image space node outgoing, reduction second orifice and the identical height h of the 3rd aperture are simultaneously adjusted after the attitude of transmission type optical system,
The optical axis included angle of incoming laser beam and transmission type optical system is α, shoot laser beam and transmission type optical system optical axis included angle
For β, and α=β, incoming laser beam produces displacement d, and d=h=L with shoot laser beam on the direction perpendicular to laser beam
× sin α, wherein, α is that transmission type optical system needs inclined low-angle.
9. a kind of application method of device that low-angle is tilted for transmission type optical system according to claim 8, its
It is characterised by, inclined low-angle α is needed according to transmission type optical system, the decline for calculating second orifice and the 3rd aperture is high
Degree h simultaneously adjusts height, adjusts the attitude of transmission type optical system, makes laser beam small also cross second orifice and the 3rd again
Hole, and ensure that hot spot is located at the center of small aperture member, now, the attitude of transmission type optical system is that it is tilted after low-angle
Attitude.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306942.6A CN106950674B (en) | 2017-05-04 | 2017-05-04 | Device for small-angle inclination of transmission type optical system and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710306942.6A CN106950674B (en) | 2017-05-04 | 2017-05-04 | Device for small-angle inclination of transmission type optical system and using method |
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| CN106950674A true CN106950674A (en) | 2017-07-14 |
| CN106950674B CN106950674B (en) | 2022-11-29 |
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| CN106371201A (en) * | 2016-11-03 | 2017-02-01 | 清华大学 | Fourier overlapping correlation imaging system and method based on computational ghost imaging |
| CN106425359A (en) * | 2016-09-28 | 2017-02-22 | 山东科技大学 | Laser positioning intelligent assembling system and application thereof |
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|---|---|---|---|---|
| CN1790092A (en) * | 2005-12-21 | 2006-06-21 | 哈尔滨工业大学 | High precision light beam coaxiality adjusting method |
| JP2009069801A (en) * | 2007-08-20 | 2009-04-02 | Nippon Sheet Glass Co Ltd | Erecting equal-magnification lens array plate, image sensor unit, and image reading device |
| JP2009063383A (en) * | 2007-09-05 | 2009-03-26 | Ricoh Co Ltd | Inspection device and inspection method |
| CN102147504A (en) * | 2011-02-28 | 2011-08-10 | 南京邮电大学 | Variable optical attenuator based on prism with adjustable apex angle |
| CN102829767A (en) * | 2012-07-13 | 2012-12-19 | 北京空间机电研究所 | Long-focus transmission-type quasi telecentric three-linear-array stereoscopic mapping optical system |
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