CN206725864U - A kind of laser homogenizing disappears speckle device - Google Patents
A kind of laser homogenizing disappears speckle device Download PDFInfo
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- CN206725864U CN206725864U CN201720658753.0U CN201720658753U CN206725864U CN 206725864 U CN206725864 U CN 206725864U CN 201720658753 U CN201720658753 U CN 201720658753U CN 206725864 U CN206725864 U CN 206725864U
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- mating plate
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Abstract
The utility model provides a kind of laser homogenizing and disappeared speckle device, including laser, the first optical wand, vibration ecchymose removing component and the second optical wand, wherein, the vibration ecchymose removing component includes the first even mating plate and the first vibrator, the laser is set with the first optical wand optical registration, axis extended line direction of second optical wand along first optical wand is set, and the first even mating plate is fixedly connected between first optical wand and second optical wand, and with first vibrator.Laser homogenizing provided by the utility model disappears speckle device by setting the even mating plate vibrated according to certain rule, laser beam is homogenized, effectively reduces speckle, makes up to the acceptable scope of human eye, realize that visual speckle eliminates, it is ensured that the projection quality of projecting apparatus.
Description
Technical field
It the utility model is related to laser equipment technical field, more particularly to a kind of laser homogenizing disappears speckle device.
Background technology
In study, working environment in modernization, projecting apparatus is one of most commonly used equipment.Traditional light emitting diode
The micro projector light efficiency of light source is low, projected image colour gamut is narrower, now to use laser-projector more, i.e., is made using laser
For the projector equipment of projection light source.
The light beam that laser is sent is coherent light, and light beam, which is introduced directly into optical wand, carries out projection use, due to principle of interference,
The image that laser projection goes out can have the problem of speckle, i.e., be dispersed with the interference fringe and spot of light and shade on projection images,
So that spectators produce strong sense of discomfort.Have and attempt to add static even mating plate in the laser-projector of individual example, but produce effects
It is little.
Utility model content
In view of the above-mentioned problems, the utility model aims to solve the problem that problem as described above.A purpose of the present utility model is
A kind of laser homogenizing for solving problem above is provided to disappear speckle device.Specifically, the utility model offer can be by laser beam
Homogenization, effectively reduce speckle laser homogenizing and disappear speckle device.
According to of the present utility model in a first aspect, the utility model provides a kind of laser homogenizing disappears speckle device, including
Laser, the first optical wand, vibration ecchymose removing component and the second optical wand, wherein, the vibration ecchymose removing component include the first even mating plate and
First vibrator, the laser are set with the first optical wand optical registration, axle of second optical wand along first optical wand
Line extended line direction is set, and the first even mating plate is between first optical wand and second optical wand, and with described the
One vibrator is fixedly connected.
Wherein, the vibration ecchymose removing component also includes the second even mating plate, and the second even mating plate is located at first optical wand
It is be arranged in parallel between second optical wand, and with the described first even mating plate.
Wherein, the vibration ecchymose removing component also includes the second vibrator, second vibrator and the described second even mating plate
It is fixedly connected.
Wherein, the laser homogenizing speckle device that disappears also includes beam shaping, and the beam shaping swashs positioned at described
Between light device and first optical wand, and it is aligned with the laser optical.
Wherein, the laser homogenizing speckle device that disappears also includes bundling optical fiber, the laser and the beam shaping
Between connected by the bundling optical fiber.
Wherein, the cross section of the bundling optical fiber is regular hexagon or rectangle.
Laser homogenizing provided by the utility model disappears speckle device by setting the even mating plate vibrated according to certain rule, will
Laser beam is homogenized, and effectively reduces speckle, makes up to the acceptable scope of human eye, that is, realizes that visual speckle disappears
Remove, it is ensured that the projection quality of projecting apparatus.
It is read with reference to the drawings the following description for exemplary embodiment, other property features of the present utility model and excellent
Point will become apparent.
Brief description of the drawings
It is incorporated into specification and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with the description.In the drawings, similar reference is used to represent similar
Key element.Drawings in the following description are some embodiments of the utility model, rather than whole embodiments.It is general for this area
For logical technical staff, on the premise of not paying creative work, other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 schematically illustrates laser homogenizing of the present utility model and disappeared the structural representation of speckle device.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to
The scope of the utility model protection.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
Basic thought of the present utility model is, by setting the even mating plate of vibration between two optical wands, laser to be sent
Laser beam homogenized and eliminate laser speckle so that projected picture more uniformly, it is clear.
Below in conjunction with the accompanying drawings, to being described in detail according to the laser homogenizing provided by the utility model speckle device that disappears.
Fig. 1 show laser homogenizing of the present utility model disappear speckle device a kind of embodiment structural representation, reference
Shown in Fig. 1, the laser homogenizing speckle device that disappears includes laser 1, the first optical wand 2, vibration ecchymose removing component 3 and the second optical wand 4.Its
In, vibration ecchymose removing component 3 includes the first even vibrator 32 of mating plate 31 and first, and the optical registration of 1 and first optical wand of laser 2 is set,
Axis extended line direction of second optical wand 4 along the first optical wand 2 is set, and the first even mating plate 31 is located at the first optical wand 2 and the second optical wand 4
Between, laser beam that laser 1 is sent, which is first delivered in the first optical wand 2, tentatively to be homogenized, then passes through the first even mating plate 31
It is conveyed into after significantly being homogenized in the second optical wand 4；First even mating plate 31 is fixedly connected with the first vibrator 32, passes through first
Vibrator 31 realizes the vibration of the first even mating plate 21, so as to effectively eliminate the speckle for the laser beam that laser 1 is sent so that throw
The image that shadow goes out becomes apparent from.
In a typical embodiment, the cross section of the first optical wand 2 it is identical with the shape of cross section of the second optical wand 4 and
The cross-sectional area of second optical wand 4 is 1.2~1.5 times of the cross-sectional area of the first optical wand 2；Meanwhile first optical wand 2 and the second optical wand
4 length is identical.
Further, the second even mating plate 33 can also be included by vibrating ecchymose removing component 3, further even to be carried out to light beam
Change.Specifically, the second even mating plate 33 is between the first optical wand 2 and the second optical wand 4, and parallel with the first even mating plate 31 and simultaneously
Row are set.
Adaptably, the second vibrator 34, the second vibrator 34 and the second even mating plate can also be included by vibrating ecchymose removing component 3
33 are fixedly connected, drive the second even mating plate 33 vibrate cause laser beam to homogenize effect more excellent.
Specifically, the first vibrator 32 is identical or different from the direction of vibration of the second vibrator 34.It is typical at one
In embodiment, the first vibrator 32 controls the first even mating plate 31, the second vibrator 34 to drive the second even mating plate 33 to do level side
To or vertical direction vibration；Or first vibrator 32 to drive the first even mating plate 31, the second vibrator 34 to drive second even
Mating plate 33 is cooked random vibration, for example, it may be vibration, tilt rotation or circular-rotation vertically or horizontally
Etc. the vibration of either direction.In another typical embodiment, the first even 31 and second even mating plate 33 of mating plate one of them do
Random vibration, another does circular-rotation；Can also be that one of them is static, another is vibrated.
It is pointed out that can be the even light of refractive in the of the present utility model first even 21 and second even mating plate 23 of mating plate
Piece or the even mating plate of diffraction type, the size of refraction or diffraction element on even mating plate is 0.4 μm~100 μm.
In addition, beam shaping 5, beam shaping can also be included according to the laser homogenizing of the present utility model speckle device that disappears
Device 5 is located between the optical wand 2 of laser 1 and first, and with the optical registration of laser 1.It is first right before being homogenized to laser beam
The angle of divergence of light beam carries out accommodation so that the hot spot of light beam is adapted to the sectional area of the first optical wand 2 and the second optical wand 4 most
Bigization.
Adaptably, the laser homogenizing speckle device that disappears also includes bundling optical fiber 6, between laser 1 and beam shaping 5
Connected by bundling optical fiber 6.Symmetrical structure centered on the cross section of bundling optical fiber 6, such as can be regular hexagon or rectangle.
Exemplarily, can be 61,91,169 or 217 arrangements when its cross section is regular hexagon；If the cross section of rectangle, it is grown
Wide ratio can be 1.6~2.2.
Descriptions above can combine implementation individually or in a variety of ways, and these variants all exist
Within the scope of protection of the utility model.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that article or equipment including a series of elements not only include those key elements, but also wraps
Include the other element being not expressly set out, or also include for this article or the intrinsic key element of equipment.Do not having more
In the case of more limitations, the key element that is limited by sentence " including ... ", it is not excluded that in the article including the key element or set
Other identical element also be present in standby.
Above example is only to illustrate the technical solution of the utility model and unrestricted, reference only to preferred embodiment pair
The utility model is described in detail.It will be understood by those within the art that can be to technology of the present utility model
Scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solutions of the utility model, all should cover at this
Among the right of utility model.
Claims (6)
- The speckle device 1. a kind of laser homogenizing disappears, it is characterised in that the laser homogenizing disappear speckle device include laser (1), First optical wand (2), vibration ecchymose removing component (3) and the second optical wand (4), wherein, the vibration ecchymose removing component (3) includes the first even light Piece (31) and the first vibrator (32), the laser (1) are set with the first optical wand (2) optical registration, second optical wand (4) set along the axis extended line direction of first optical wand (2), the first even mating plate (31) is located at first optical wand (2) between second optical wand (4), and it is fixedly connected with first vibrator (32).
- The speckle device 2. laser homogenizing as claimed in claim 1 disappears, it is characterised in that the vibration ecchymose removing component (3) is also wrapped Include the second even mating plate (33), the second even mating plate (33) between first optical wand (2) and second optical wand (4), And it is be arranged in parallel with the described first even mating plate (31).
- The speckle device 3. laser homogenizing as claimed in claim 2 disappears, it is characterised in that the vibration ecchymose removing component (3) is also wrapped The second vibrator (34) is included, second vibrator (34) is fixedly connected with the described second even mating plate (33).
- The speckle device 4. laser homogenizing as described in any one of claims 1 to 3 disappears, it is characterised in that the laser homogenizing disappears Speckle device also includes beam shaping (5), and the beam shaping (5) is located at the laser (1) and first optical wand (2) between, and with the laser (1) optical registration.
- The speckle device 5. laser homogenizing as claimed in claim 4 disappears, it is characterised in that the laser homogenizing disappears speckle device also Including bundling optical fiber (6), it is connected between the laser (1) and the beam shaping (5) by the bundling optical fiber (6).
- The speckle device 6. laser homogenizing as claimed in claim 5 disappears, it is characterised in that the cross section of the bundling optical fiber (6) For regular hexagon or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658753.0U CN206725864U (en) | 2017-06-08 | 2017-06-08 | A kind of laser homogenizing disappears speckle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658753.0U CN206725864U (en) | 2017-06-08 | 2017-06-08 | A kind of laser homogenizing disappears speckle device |
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| Publication Number | Publication Date |
|---|---|
| CN206725864U true CN206725864U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720658753.0U Active CN206725864U (en) | 2017-06-08 | 2017-06-08 | A kind of laser homogenizing disappears speckle device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752080A (en) * | 2019-03-29 | 2020-10-09 | 中强光电股份有限公司 | Illumination system and projection device |
| GB2585072A (en) * | 2019-06-27 | 2020-12-30 | Andor Tech Limited | Radiation Delivery apparatus for microscope systems |
-
2017
- 2017-06-08 CN CN201720658753.0U patent/CN206725864U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752080A (en) * | 2019-03-29 | 2020-10-09 | 中强光电股份有限公司 | Illumination system and projection device |
| CN111752080B (en) * | 2019-03-29 | 2021-08-31 | 中强光电股份有限公司 | Illumination system and projection device |
| GB2585072A (en) * | 2019-06-27 | 2020-12-30 | Andor Tech Limited | Radiation Delivery apparatus for microscope systems |
| US11644657B2 (en) | 2019-06-27 | 2023-05-09 | Andor Technology Limited | Radiation delivery apparatus for microscope systems |
| GB2585072B (en) * | 2019-06-27 | 2024-01-24 | Andor Tech Limited | Radiation Delivery apparatus for microscope systems |
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