CN208805614U - A kind of optical fiber scanning driver and fibre optic scanner - Google Patents
A kind of optical fiber scanning driver and fibre optic scanner Download PDFInfo
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- CN208805614U CN208805614U CN201821077834.2U CN201821077834U CN208805614U CN 208805614 U CN208805614 U CN 208805614U CN 201821077834 U CN201821077834 U CN 201821077834U CN 208805614 U CN208805614 U CN 208805614U
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Abstract
The utility model discloses a kind of optical fiber scanning driver and fibre optic scanners, comprising: X-direction scanner driver and the Y-direction scanner driver vertical with X-direction.The fibre optic scanner using the fibre optic scanner driver is also disclosed simultaneously, in conjunction with X-direction scanner driver and the Y-direction scanner driver vertical with X-direction, realize two-dimensional scanning imaging, this structure is scanned especially suitable for grid type, because in grid type scanning process, X-axis and Y axis scanning frequency are inconsistent, X-direction scanner driver and the respective piezoelectric ceramics of Y-direction scanner driver are designed as inconsistent X-axis and the Y-axis one fast one of can be realized of intrinsic frequency and drive slowly, solve the problems, such as that existing two-dimensional scanning can not realize that X-axis and Y-axis one fast one drive slowly.
Description
Technical field
The utility model relates to optical imaging field more particularly to a kind of optical fiber scanning drivers and fibre optic scanner.
Background technique
Single fiber resonance type piezoelectric scanner is to realize static state using optical fiber cantilever resonance characteristics in that orthogonal direction
Or the new scanners of dynamic image scanning, compared to MEMS (Micro-Electro-Mechanical System；It is micro electronmechanical
System) scanner, the volume of single fiber resonance type piezoelectric scanner is smaller, and cost is lower, and manufacturing process is easy, is easier to collect
At.
Currently, realizing that the piezoelectric scanner of two-dimensional scanning imaging has four sub-electrode tubular type fibre optic scanners and by four
The square fibre optic scanner of rectangular-shaped piezoelectric ceramics composition.The driving in four two directions of sub-electrode tubular type fibre optic scanner
External electrode is centered around on the outer surface of same section of piezoelectric ceramic circular tube, since ceramic intrinsic frequency is fixed, so carrying out spiral shell
When rotation scanning, the direction xy vibration frequency components are almost consistent.And if wanting to realize grid type scanning, the scanning needed due to the direction xy
Frequency is inconsistent, and four sub-electrode tubular type fibre optic scanners cannot achieve the vibration of one slow axis of a fast axle.And it is rectangular-shaped by four
Piezoelectric ceramics composition square fibre optic scanner, in order to realize two-dimensional scanning, four rectangular-shaped piezoelectric ceramics must enclose
It is symmetrical arranged around optical fiber, so that piezoelectric ceramics is mutually perpendicular to the direction of the power of the driving of optical fiber, due to the diameter very little of optical fiber,
Directly four piezoelectric ceramics are fixed on around optical fiber and are difficult to realize in technique, it is therefore necessary to pass through intermediate connecting component
Four piezoelectric ceramics are symmetrical arranged around optical fiber, thus realize two-dimensional scanning, the use of connecting component, so that piezoelectric ceramics is sent out
When raw bending deformation, need to transmit the power that piezoelectric ceramics occurs bending and deformation to optical fiber by connecting component, so that piezoelectric ceramics
The scanning shift that is formed of vibration cannot completely effectively pass to optical fiber, certain loss is formed, to reduce the vibration of optical fiber
Dynamic amplitude, increases the power consumption of single fiber resonance type piezoelectric scanner.
Utility model content
The purpose of the utility model is to provide a kind of optical fiber scanning driver and fibre optic scanners, propose a kind of two completely newly
Tie up fibre optic scanner structure.
In order to realize above-mentioned purpose of utility model, the utility model provides a kind of optical fiber scanning driver, comprising: X-direction
Scanner driver and the Y-direction scanner driver vertical with X-direction.
Optionally, the X-direction scanner driver and the Y-direction scanner driver are integrally formed；Or
The X-direction scanner driver and the Y-direction scanner driver, which are bonded or inlay, to be consolidated；Or
The X-direction scanner driver is connected with the Y-direction scanner driver by orthogonal type adapter.
Optionally, the orthogonal type adapter include the first groove corresponding with the X-direction scanner driver and with institute
State corresponding second groove of Y-direction scanner driver.
Optionally, the X-direction scanner driver and the Y-direction scanner driver are piezoelectric scanning driver.
Optionally, the X-direction scanner driver and the Y-direction scanner driver are piezoelectric ceramics.
Optionally, the structure of the X-direction scanner driver and the Y-direction scanner driver is chip architecture.
Optionally, the chip architecture is that monocrystalline chip architecture, double wafer structure, stacked monocrystalline chip architecture or stacked are double
Chip architecture.
The utility model also proposes a kind of fibre optic scanner, including optical fiber scanning driver and optical fiber, in which: the optical fiber
Scanner driver is optical fiber scanning driver above-mentioned, and the optical fiber is fixed on the optical fiber scanning driver and along Z-direction
Optical fiber cantilever is extended outward to form, the optical fiber scanning driver is for driving the optical fiber cantilever to shake in the x-direction and the z-direction
It is dynamic.
Optionally, the optical fiber is fixed on the X-direction scanner driver using bonding way and/or the Y-direction is swept
It retouches on the outer surface of driver.
Optionally, optical fiber accommodating hole is set in the optical fiber scanning internal drive, the optical fiber drives across optical fiber scanning
The optical fiber of dynamic device forms cantilever
Compared with prior art, the utility model has the following beneficial effects:
In the utility model embodiment, optical fiber scanning driver passes through X-direction scanner driver and the Y vertical with X-direction
Direction scanner driver combines, and realizes two-dimensional scanning imaging, this structure is scanned especially suitable for grid type, because in grid type
In scanning process, X-axis and Y axis scanning frequency are inconsistent, X-direction scanner driver and the respective piezoelectricity of Y-direction scanner driver
Ceramic Art Design, which is that intrinsic frequency is inconsistent, can be realized the driving slowly of X-axis and Y-axis one fast one.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings:
Fig. 1 is the structural schematic diagram of fibre-optic scanner provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram that fibre-optic scanner provided by the embodiment of the utility model is connected by orthogonal type adapter；
Fig. 3 is the structural schematic diagram of the orthogonal type adapter provided in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of fibre-optic scanner, and as shown in FIG. 1, FIG. 1 is the utility model embodiments
The structural schematic diagram of the fibre-optic scanner of offer, fibre-optic scanner include scanner driver, and scanner driver includes X-direction
Scanner driver 101 and the Y-direction scanner driver 102 vertical with X-direction；Optical fiber, the optical fiber are fixed on the optical fiber and sweep
It retouches on driver and extends outward to form optical fiber cantilever along Z-direction, wherein optical fiber can be fixed on scanner driver outer surface,
It can also pass through scanner driver in such a way that optical fiber accommodating hole is set inside scanner driver and form cantilever.In Fig. 1
The fixed part 202 of optical fiber is bonded in the outer of the X-direction scanner driver 101 and/or the Y-direction scanner driver 102
On surface, the scanner driver is for driving the optical fiber cantilever 201 to vibrate in the x-direction and the z-direction, to realize two dimension
Scanning imagery.Wherein, X-direction refers to the direction vertical with the side of X-direction scanner driver 101, and Y-direction refers to and Y-direction
The vertical direction in the upper surface of scanner driver 102.
In the utility model embodiment, the fixed part 202 of optical fiber can be bonded on X-direction scanner driver 101, or
On person's Y-direction scanner driver 102, as shown in Figure 1, the end 1011 of X-direction scanner driver 101 is free end, Y-direction
The end 1021 of scanner driver 102 is fixing end, then the fixed part 202 of optical fiber is bonded in X-direction scanner driver 101
On.In the specific implementation process, if the end 1011 of the direction X scanner driver 101 is fixing end, Y-direction scanner driver
102 end 1021 is free end, then the fixed part 202 of optical fiber is bonded on scanner driver 102 in the Y direction.Certainly, light
Fine fixed part 202 can also be bonded in simultaneously on X-direction scanner driver 101 and Y-direction scanner driver 102, thus
Increase the stability of bonding.
During the utility model is implemented, the fixed part 202 of optical fiber can be bonded in X-direction scanner driver 101 or the side Y
To on any outer surface of scanner driver 102, as shown in Figure 1, the fixed part 202 of optical fiber is bonded in X-direction turntable driving
On the side of device 101.
Since the fixed part 202 of optical fiber is directly bonded in the X-direction scanner driver 101 and/or the Y-direction is swept
On the outer surface for retouching driver 102, avoid using connecting component, due to there is no the loss of power caused by connecting component, X-direction
The power for the bending deformation that scanner driver 101 and/or Y-direction scanner driver 102 generate can not generate decaying and effective
Optical fiber is passed to, to increase the Oscillation Amplitude of optical fiber.
In the specific implementation process, the embodiment of X-direction scanner driver 101 and Y-direction scanner driver 102 has very
It is a variety of, in the utility model embodiment, following several embodiments are illustrated.
In the first possible embodiment, the X-direction scanner driver 101 and the Y-direction scanner driver
102 are integrally formed.
In second of possible embodiment, as shown in Figure 1, the X-direction scanner driver 101 and the Y-direction
Scanner driver 102 is two independent structures, is then linked together by being bonded or inlaying the modes such as consolidation.
In the third possible embodiment, as shown in Fig. 2, scanner driver 10 further includes orthogonal type adapter 103,
The X-direction scanner driver 101 and the Y-direction scanner driver 102, are linked together by orthogonal type adapter 103,
To enhance the stability of scanner driver 10.
Wherein, as shown in figure 3, the structural schematic diagram of the orthogonal type adapter provided in Fig. 3 the utility model embodiment, just
Friendship type adapter 103 include first groove corresponding with X-direction scanner driver 101 and with the Y-direction scanner driver 102
The end of X-direction scanner driver 101 is inserted into the first groove, Y-direction is scanned and is driven by corresponding second groove in connection
The second groove is inserted into the end of dynamic device 102, then is fixed by bonding agent, to enhance X-direction scanner driver 101 and Y-direction
The stability of the connection of scanner driver 102.
In the utility model embodiment, X-direction scanner driver 101 and Y-direction scanner driver 102 can be swept for piezoelectricity
Driver is retouched, to drive respectively to X-direction scanner driver 101 and Y-direction scanner driver 102 by voltage signal
It is dynamic, mechanical energy is converted electrical energy into, to drive optical fiber cantilever 201 to vibrate.As shown in Figure 1, the end of X-direction scanner driver 101
Portion 1011 is free end, and the end 1021 of Y-direction scanner driver 102 is fixing end, by X-direction scanner driver 101
Apply certain voltage simultaneously with Y-direction scanner driver 102, scanner driver in the x direction and the y direction curved may be implemented
The bending displacement of both direction is synthesized, two-dimensional bending displacement may be implemented by Qu Weiyi, to drive optical fiber cantilever 201 real
Existing two-dimensional scanning imaging.
In above-mentioned several embodiments, need to carry out X-direction scanner driver 101 and Y-direction scanner driver 102
It polarizes respectively, so that X-direction scanner driver 101 vibrates in X direction when being applied voltage, Y-direction scanner driver 102 exists
It is vibrated when being applied voltage along Y-direction.
In the utility model embodiment, the piezoelectric material for constituting piezoelectric scanning driver (can divide for inorganic piezoelectric material
For piezo-electric crystal and piezoelectric ceramics), organic piezoelectric materials or composite piezoelectric material etc., the utility model to this with no restriction.It lifts
For example, it is assumed that X-direction scanner driver 101 and Y-direction scanner driver 102 are ceramic for a monolithic piezoelectric, to monolith pressure
When electroceramics is polarised, to X-direction scanner driver 101 and the corresponding two parts piezoelectricity of Y-direction scanner driver 102
Ceramics are polarized respectively, so that X-direction scanner driver 101 vibrates in X direction when being applied voltage, Y-direction scanning is driven
Dynamic device 102 is vibrated when being applied voltage along Y-direction, and in design, X-direction scanner driver intrinsic frequency is greater than Y-direction
Scanner driver.
In the utility model embodiment, X-direction scanner driver 101 and Y-direction scanner driver 102 are one-dimensional pressure
Electric scanning driver, it is cheap due to one-dimensional piezoelectric scanning driver technical maturity, therefore, pass through two one-dimensional piezoelectricity
Scanner driver constitutes two-dimensional piezoelectric scanner driver, it is easy to accomplish mass production, also, the size of two-dimensional piezoelectric scanner driver
Flexible design can be carried out according to the characteristic of piezoelectric material, it is easy to accomplish miniaturization.
In the utility model embodiment, the structure of the X-direction scanner driver 101 and Y-direction scanner driver 102
It can be chip architecture, convenient for optical fiber to be directly bonded in X-direction scanner driver 101 and/or the direction Y scanner driver 102
Outer surface on, chip architecture can be single-chip structure, double wafer structure, stacked monocrystalline chip architecture or stacked twin lamella
Structure etc., the utility model are without limitation.
In the utility model embodiment, optical fiber can be single mode optical fiber, multimode fibre；On the other hand, optical fiber can be double
Cladded-fiber；And optical fiber can be single-core fiber or multi-core optical fiber；In addition, optical fiber can also be photonic crystal fiber, photon
Crystal optical fibre has many peculiar properties, such as: mode transmission, a clad region gas can be only supported in very wide bandwidth range
The arrangement mode in hole being capable of greatly Effect Mode property etc.；In the specific implementation process, optical fiber can also be extraordinary for other
Optical fiber, the utility model are without limitation.
In the utility model embodiment, optical fiber generally comprises fibre core, covering and protective coating from inside to outside, in order to reduce vibration
Damping when dynamic, optical fiber cantilever 201 can be the bare fibre of removal protective coating.It in the specific implementation process, can also be to light
Fine cantilever 201 carries out drawing cone and introduced details, to reduce facula area when optical fiber scanning, improves resolution ratio.
It is outstanding in optical fiber since the length of optical fiber cantilever directly determines the resonant frequency of optical fiber in the utility model embodiment
When the length of arm determines, the resonant frequency of optical fiber can be calculated, then, apply what a cycle changed to piezoelectric ceramics
Voltage, optical fiber will be vibrated with the vibration of piezoelectric ceramics, adjust the electric voltage frequency of application, when electric voltage frequency being total to close to optical fiber
When vibration frequency, the Oscillation Amplitude of optical fiber is up to maximum, reaches resonance state.
One or more technical solution in the utility model embodiment, at least has the following technical effect that or excellent
Point:
In the utility model embodiment, scanner driver includes X-direction scanner driver and the Y-direction vertical with X-direction
Scanner driver；Optical fiber includes fixed part and the optical fiber cantilever that can vibrate, and the fixed part is bonded in the X-direction and sweeps
On the outer surface for retouching driver and/or the Y-direction scanner driver, the scanner driver is for driving the optical fiber cantilever
It vibrates in the x-direction and the z-direction, to realize that two-dimensional scanning is imaged.As it can be seen that in the utility model embodiment, by by optical fiber
It is directly bonded on the outer surface of the X-direction scanner driver and/or the Y-direction scanner driver, avoids using company
Relay part, due to not having the loss of power caused by connecting component, X-direction scanner driver and/or Y-direction scanner driver are generated
Bending deformation power can not generate decaying and effectively pass to optical fiber, to increase the Oscillation Amplitude of optical fiber.
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
The utility model is not limited to specific embodiment above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (10)
1. a kind of optical fiber scanning driver, which is characterized in that swept including X-direction scanner driver and the Y-direction vertical with X-direction
Retouch driver.
2. optical fiber scanning driver as described in claim 1, which is characterized in that the X-direction scanner driver and the side Y
It is integrally formed to scanner driver；Or
The X-direction scanner driver and the Y-direction scanner driver, which are bonded or inlay, to be consolidated；Or
The X-direction scanner driver is connected with the Y-direction scanner driver by orthogonal type adapter.
3. optical fiber scanning driver as claimed in claim 2, which is characterized in that the orthogonal type adapter includes and the X
Corresponding first groove of direction scanner driver and the second groove corresponding with the Y-direction scanner driver.
4. optical fiber scanning driver as described in claim 1, which is characterized in that the X-direction scanner driver and the side Y
It is piezoelectric scanning driver to scanner driver.
5. optical fiber scanning driver as claimed in claim 4, which is characterized in that the X-direction scanner driver and the side Y
It is piezoelectric ceramics to scanner driver.
6. optical fiber scanning driver according to any one of claims 1 to 5, which is characterized in that the X-direction turntable driving
The structure of device and the Y-direction scanner driver is chip architecture.
7. optical fiber scanning driver as claimed in claim 6, which is characterized in that the chip architecture is monocrystalline chip architecture, double
Chip architecture, stacked monocrystalline chip architecture or stacked double wafer structure.
8. a kind of fibre optic scanner, which is characterized in that including optical fiber scanning driver and optical fiber, in which:
The optical fiber scanning driver is the described in any item optical fiber scanning drivers of claim 1 to 7, and the optical fiber is fixed on
Optical fiber cantilever is extended outward to form on the optical fiber scanning driver and along Z-direction, the optical fiber scanning driver is for driving
The optical fiber cantilever vibrates in the x-direction and the z-direction.
9. fibre optic scanner as claimed in claim 8, which is characterized in that the optical fiber is fixed on the X using bonding way
On the outer surface of direction scanner driver and/or the Y-direction scanner driver.
10. fibre optic scanner as claimed in claim 9, which is characterized in that light is arranged in the optical fiber scanning internal drive
Fine accommodating hole, the optical fiber that the optical fiber passes through optical fiber scanning driver form cantilever.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720812193.X | 2017-07-06 | ||
| CN201720812193 | 2017-07-06 |
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| CN208805614U true CN208805614U (en) | 2019-04-30 |
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| CN201821077834.2U Active CN208805614U (en) | 2017-07-06 | 2018-07-06 | A kind of optical fiber scanning driver and fibre optic scanner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426842A (en) * | 2019-06-28 | 2019-11-08 | 成都理想境界科技有限公司 | Grid type fibre optic scanner and its driving method and projection display apparatus |
| CN112147774A (en) * | 2019-06-28 | 2020-12-29 | 成都理想境界科技有限公司 | Scanning actuator and optical fiber scanner |
-
2018
- 2018-07-06 CN CN201821077834.2U patent/CN208805614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426842A (en) * | 2019-06-28 | 2019-11-08 | 成都理想境界科技有限公司 | Grid type fibre optic scanner and its driving method and projection display apparatus |
| CN112147774A (en) * | 2019-06-28 | 2020-12-29 | 成都理想境界科技有限公司 | Scanning actuator and optical fiber scanner |
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