CN206960792U - Laser beam expander and unmanned plane laser snipe system - Google Patents
Laser beam expander and unmanned plane laser snipe system Download PDFInfo
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- CN206960792U CN206960792U CN201720703793.2U CN201720703793U CN206960792U CN 206960792 U CN206960792 U CN 206960792U CN 201720703793 U CN201720703793 U CN 201720703793U CN 206960792 U CN206960792 U CN 206960792U
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- collimation
- beam expander
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Abstract
It the utility model is related to a kind of laser beam expander and unmanned plane laser and snipe system, the laser beam expander includes one-level collimation unit, for that will be the first collimation laser from the strike laser alignment of optical fiber output；Two level collimation unit, it is more than the bore of the first collimation laser for the first collimation laser to be expanded for the second collimation laser, the bore of the second collimation laser.The utility model makes the optical system of itself and telescope match, realizes laser cell and snipe system architecture with the unmanned plane laser that lens cone for telescope is independently set by setting laser beam expander to carry out collimator and extender processing to the laser of optical fiber output.
Description
Technical field
Unmanned plane counter field is the utility model is related to, particularly a kind of laser beam expander and unmanned plane laser are sniped and be
System.
Background technology
Flight can constitute a threat to safely unmanned plane to the even air defence of national public safety, flight safety in violation of rules and regulations.Such as profit
Taken on the sly with unmanned plane and steal information, carry the material to endanger public security, for another example, certain airport occurs that unmanned plane is black to fly
Event, cause a large amount of flights to be delayed, generate heavy losses.
Unmanned plane laser snipes system, is a kind of system for utilizing laser hits target (unmanned plane), and laser cell produces
Strike laser pass through the module of optical system that is made up of various optical frames and be transmitted, and launched by telescopic system.
Usually, it is to integrate laser cell and module of optical system, is easy to hit the transmission of laser, but is directed to some
Structure or the limitation in space, it is desirable to which laser cell is individually set with module of optical system, now, is beaten caused by laser cell
Hitting laser is then needed to be transferred to lens cone for telescope by transmission medium such as optical fiber, and hair is transmitted by the module of optical system in lens barrel
It is shot out, but the angle of divergence of the laser of optical fiber output is big, beam size is small, it is difficult to directly matched with laser transmitting telescope.
Utility model content
The purpose of this utility model is to provide a kind of laser beam expander for sniping system applied to unmanned plane laser.For
This, the utility model embodiment provides following technical scheme：
A kind of laser beam expander, including：
One-level collimation unit, for that will be the first collimation laser from the strike laser alignment of optical fiber output；
Two level collimation unit, for the first collimation laser to be expanded as the second collimation laser, the bore of the second collimation laser
More than the bore of the first collimation laser.
According to the utility model embodiment, the two level collimation unit includes expanding secondary mirror and expands primary mirror, expands secondary mirror
Focus overlapped with expanding the focus of primary mirror.Or the two level collimation unit includes expanding secondary mirror and expands primary mirror, first is accurate
Straight laser is expanded as the second collimation laser through expanding secondary mirror back reflection to primary mirror is expanded through expanding primary mirror.
Another purpose of the present utility model is to provide a kind of unmanned plane laser and snipes system, therefore, the utility model is real
Apply example and provide following technical scheme：
A kind of unmanned plane laser snipes system, including：
Laser cell, for launching the strike laser to strike target；
Optical fiber, the strike laser for laser cell to be launched transport to laser beam expander, the laser beam expander
For the laser beam expander described in the utility model embodiment any embodiment；
Lens cone for telescope, it is internally provided with module of optical system, for will after laser beam expander collimator and extender shape
Into the second collimation laser launch.
According to the utility model embodiment, above-mentioned unmanned plane snipes system, in addition to target imaging unit, the optical system
System component includes at least one target following executive component, for changing beam direction in real time to track target, from target
Tracking light is incident in lens cone for telescope, after module of optical system transmits, in target imaging cell imaging, realize target with
Track.Target following light path and Laser emission light path a set of optical system jointly, after target tracked locking, along same paths pair
It is launched laser and hit, and can ensure that target is met, and avoids accidentally injuring third party.
Compared with prior art, the beneficial effects of the utility model：
1st, by setting laser beam expander to carry out collimator and extender processing to the laser of optical fiber output, itself and telescope are made
Lens barrel matches, and realizes laser cell and snipes system architecture with the unmanned plane laser that lens cone for telescope is independently set.
2nd, it is close to reduce optical frames specular laser light power in lens cone for telescope after expanding for the strike laser of optical fiber transmission
Degree, avoid damaging device.
3rd, rear and telescope interface is expanded, telescope enlargement ratio is reduced, reduces the design and difficulty of processing of telescope, together
When avoid telescope from receiving the light shaft offset of target light echo cause the pupil of target light to offset, cause target optical detection system not
Target light can be completely received.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation that unmanned plane laser snipes system described in the utility model embodiment.
Fig. 2 is a kind of structural representation of laser beam expander described in the utility model embodiment.
Fig. 3 is another structural representation of laser beam expander described in the utility model embodiment.
Description of symbols in figure
10- laser cells；20- optical fiber；30- laser beam expanders；40- lens cone for telescope；301- one-level collimation units；
302- two level collimation units；3021- expands secondary mirror；3022- expands primary mirror.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu, it is fully described by, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole realities
Apply example.The component of the utility model embodiment being generally described and illustrated herein in the accompanying drawings can be with a variety of configurations
To arrange and design.Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit below
The claimed the scope of the utility model of system, but it is merely representative of selected embodiment of the present utility model.It is new based on this practicality
The embodiment of type, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made,
Belong to the scope of the utility model protection.
Fig. 1-3 are referred to, a kind of unmanned plane laser is provided in the present embodiment and snipes system, including laser cell 10, light
Fibre 20, laser beam expander 30, lens cone for telescope 40 and target imaging unit.
Laser cell 10, including laser, for launching the strike laser to strike target.
Optical fiber 20, the strike laser for laser cell 10 to be launched transport to laser beam expander 30.
Laser beam expander 30, for output after the strike laser alignment that exports optical fiber 20 to lens cone for telescope
40。
Lens cone for telescope 40, it is internally provided with module of optical system, for the collimation for exporting laser beam expander 30
Laser emission is gone out.
As Figure 2-3, laser beam expander 30 includes one-level collimation unit 301 and two level collimation unit 302.One-level is accurate
Straight unit 301 can use perspective formula GRIN Lens, and the strike laser that optical fiber 20 is exported carries out a collimator and extender, be formed
With the first collimation laser for determining bore.In order to avoid the output end face of optical fiber 20 because dust etc. causes to damage, preferably
In embodiment, the output end face of optical fiber 20 is combined together with GRIN Lens.
Two level collimation unit 302 includes expanding secondary mirror 3021 and expands primary mirror 3022, expands secondary mirror 3021 and expands primary mirror
The beam expander optical system of 3022 compositions can use various ways, be transmission-type expanded beam optics for example, in structure shown in Fig. 2
System, secondary mirror 3021 is expanded as one and the negative lens of the above, expands primary mirror 3022 as one and the positive lens of the above, positive lens
Focus overlapped with the focus of negative lens, the first collimation laser from one-level collimation unit 301, which is incident to, expands secondary mirror
3021, it is transmitted through after expanding secondary mirror 3021 and dissipating and expands primary mirror 3022, the transmission output second after expanding primary mirror 3022 and expanding
Collimation laser, the bore of the second collimation laser match with the light path bore of lens cone for telescope 40.
It is off-axis reflection beam expander optical system, the first collimation laser is after expanding secondary mirror 3021 in structure shown in Fig. 3
Reflex to and expand primary mirror 3022, expanded through expanding primary mirror 3022 as the second collimation laser.First from one-level collimation unit 301
Parallel be incident to of collimation laser expands secondary mirror 3021, dissipates and reflexes to through expanding secondary mirror 3021 and expands primary mirror 3022, through expanding
Primary mirror 3022 expands back reflection and exports the second parallel collimation laser.As a kind of preferably arrangement, for expanding primary mirror
3022 setting with expanding secondary mirror 3021, expand primary mirror 3022 and do not hinder the first collimation laser from one-level collimation unit 301
It is incident to and expands secondary mirror 3021, that is, expands primary mirror 3022 and be located at outside the transmission path for the incident ray for expanding secondary mirror 3021.
Module of optical system in lens cone for telescope 40 is applied not only to transmission strike laser, it may also be used for transmission comes from target
Tracking light, in order to realize the reliable tracking of target, module of optical system includes at least one target following executive component,
Change beam direction for real-time to track target.Tracking light from target is incident in lens cone for telescope, through optical system
Unite after component transmission, in target imaging cell imaging, realize target following.Target imaging unit can integrate with lens cone for telescope
In a structure.
Unmanned plane laser described in the present embodiment is sniped in system, and target following light path shares a set of with Laser emission light path
Light path system, after target tracked locking, laser is launched to it along same paths and hit, can ensure that target is accurate
Hit, avoid accidentally injuring third party.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.
Claims (6)
- A kind of 1. laser beam expander, it is characterised in that including：One-level collimation unit, for that will be the first collimation laser from the strike laser alignment of optical fiber output；Two level collimation unit, it is more than for the first collimation laser to be expanded for the second collimation laser, the bore of the second collimation laser The bore of first collimation laser.
- 2. laser beam expander according to claim 1, it is characterised in that the one-level collimation unit is saturating using self-focusing Mirror.
- 3. laser beam expander according to claim 1, it is characterised in that the two level collimation unit includes expanding secondary mirror With expand primary mirror, the focus for expanding secondary mirror overlaps with the focus for expanding primary mirror.
- 4. laser beam expander according to claim 1, it is characterised in that the two level collimation unit includes expanding secondary mirror With expand primary mirror, the first collimation laser swashs through expanding secondary mirror back reflection to primary mirror is expanded through expanding primary mirror and expanding for the second collimation Light.
- 5. a kind of unmanned plane laser snipes system, it is characterised in that including：Laser cell, for launching the strike laser to strike target；Optical fiber, the strike laser for laser cell to be launched transport to laser beam expander, and the laser beam expander is power Profit requires any described laser beam expanders of 1-4；Lens cone for telescope, it is internally provided with module of optical system, for will be formed after laser beam expander collimator and extender Second collimation laser is launched.
- 6. unmanned plane laser according to claim 5 snipes system, it is characterised in that also including target imaging unit, institute Stating module of optical system includes at least one target following executive component, for changing beam direction in real time to track target, comes It is incident to from the tracking light of target in lens cone for telescope, it is real in target imaging cell imaging after module of optical system transmits Existing target following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703793.2U CN206960792U (en) | 2017-06-16 | 2017-06-16 | Laser beam expander and unmanned plane laser snipe system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720703793.2U CN206960792U (en) | 2017-06-16 | 2017-06-16 | Laser beam expander and unmanned plane laser snipe system |
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| Publication Number | Publication Date |
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| CN206960792U true CN206960792U (en) | 2018-02-02 |
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| CN201720703793.2U Active CN206960792U (en) | 2017-06-16 | 2017-06-16 | Laser beam expander and unmanned plane laser snipe system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007470A (en) * | 2019-04-19 | 2019-07-12 | 合肥瑞利光学仪器有限公司 | A kind of off-axis interferometer expand device of plane wave |
| CN110673348A (en) * | 2019-09-26 | 2020-01-10 | 中国科学院长春光学精密机械与物理研究所 | Detachable three-multiplying-power laser beam expander |
| CN113566649A (en) * | 2021-08-06 | 2021-10-29 | 江苏亮点光电研究有限公司 | High-magnification laser beam expanding lens for shooting training and application thereof |
-
2017
- 2017-06-16 CN CN201720703793.2U patent/CN206960792U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007470A (en) * | 2019-04-19 | 2019-07-12 | 合肥瑞利光学仪器有限公司 | A kind of off-axis interferometer expand device of plane wave |
| CN110673348A (en) * | 2019-09-26 | 2020-01-10 | 中国科学院长春光学精密机械与物理研究所 | Detachable three-multiplying-power laser beam expander |
| CN113566649A (en) * | 2021-08-06 | 2021-10-29 | 江苏亮点光电研究有限公司 | High-magnification laser beam expanding lens for shooting training and application thereof |
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