CN108803010A - A kind of method and device promoting optical fiber scanning image quality - Google Patents
A kind of method and device promoting optical fiber scanning image quality Download PDFInfo
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- CN108803010A CN108803010A CN201711287253.1A CN201711287253A CN108803010A CN 108803010 A CN108803010 A CN 108803010A CN 201711287253 A CN201711287253 A CN 201711287253A CN 108803010 A CN108803010 A CN 108803010A
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- optical fiber
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- scanning
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/103—Scanning systems having movable or deformable optical fibres, light guides or waveguides as scanning elements
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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Abstract
The invention discloses a kind of methods promoting optical fiber scanning image quality, include the following steps：S1, optical fiber light of the transmission from light source simultaneously emit the light from transmitting terminal, while scanner driver drives the transmitting terminal of the optical fiber to be moved by predetermined scanning track；S2, fibre optical transmission light injected successively in the through-hole of diaphragm array by the scanning track, diaphragm array gates the iris diaphgram of each through-hole according to the track of scanning successively, the speeds match of the switching speed and the modulation of scan image pixel of iris diaphgram.The invention also discloses a kind of devices promoting optical fiber scanning image quality.The present invention has filtered out diffraction ring band, can be obviously improved the display effect of scan image by way of gating the iris diaphgram of each through-hole successively according to the track of scanning in spatial distribution diaphragm array, diaphragm array.
Description
Technical field
The present invention relates to optical fiber scanning technical field more particularly to a kind of methods and dress promoting optical fiber scanning image quality
It sets.
Background technology
Optical fiber scanning technology is to drive optical fiber cantilever to generate resonant vibration, the light beam of fiber end face outgoing by piezoelectric device
Image is shown according to scheduled track scanning.Optical fiber mostly uses single mode optical fiber at present, and requires emergent light spot directly small, light
Energy distribution is uniform.In order to realize that smaller emergent light spot, single mode optical fiber end face carry out drawing cone, be ground into axicon lens so that poly-
Burnt hot spot minimum can accomplish 0.6um or so, but hot spot diffraction effect is stronger at this time, will produce diffraction ring, to scan image
Clarity and contrast impact.
Invention content
The present invention provides a kind of method promoting optical fiber scanning image quality, to overcome diffraction ring to the clear of scan image
The technical issues of clear degree and contrast impact.
In order to achieve the above-mentioned object of the invention, first aspect present invention provides a kind of side promoting optical fiber scanning image quality
Method includes the following steps：
S1, optical fiber light of the transmission from light source simultaneously emit the light from transmitting terminal, while scanner driver drives the light
Fine transmitting terminal is moved by predetermined scanning track；
S2, fibre optical transmission light injected successively in the through-hole of diaphragm array by the scanning track, diaphragm array is according to sweeping
The track retouched gates the iris diaphgram of each through-hole, the speed of the switching speed and the modulation of scan image pixel of iris diaphgram successively
Match.
To which at any time, diaphragm array only allows the optical fiber for injecting through-hole to project light by through-hole, and is projected to
Shadow face, and the diffraction light of optical fiber is stopped by the iris diaphgram closed on diaphragm array and diaphragm array, will not reach perspective plane, from
And the image on perspective plane there will be no diffraction ring, can be obviously improved the display effect of scan image.
Further alternative, the diaphragm array gates the iris diaphgram of each through-hole according to the track of scanning successively, can
The speeds match for becoming switching speed and scan image the pixel modulation of diaphragm can be into：At any time, there is the light of fibre optical transmission
The iris diaphgram of the through-hole of injection is opened so that the through-hole light transmission, while the through-hole that light of fibre optical transmission is not injected is variable
Diaphragm is closed so that the through-hole is opaque.
Second aspect of the present invention provides a kind of device promoting optical fiber scanning image quality, can implement any one of the above
The method for promoting optical fiber scanning image quality comprising：
Optical fiber transmits the light from light source and emits the light from transmitting terminal,
Scanner driver drives the transmitting terminal of the optical fiber to be moved by predetermined scanning track,
Diaphragm array, the light of Transmission Fibers transmitting, the diaphragm array have the through-hole of two-dimensional array structure arrangement, and
Each through-hole be both provided with so that through-hole light transmission and it is opaque between the iris diaphgram converted；
Control circuit, each iris diaphgram for controlling on diaphragm array open or close so that diaphragm array has
The function of sequence gating gates iris diaphgram, switching speed and the scan image picture of iris diaphgram successively according to the track of scanning
The speeds match of element modulation.
Further, the diaphragm array gates the iris diaphgram of each through-hole according to the track of scanning successively, can darkening
The speeds match modulated with scan image pixel of switching speed of door screen can be：Iris diaphgram on diaphragm array keeps normally closed
State, only when the light of fibre optical transmission injects any one through-hole of diaphragm array, the iris diaphgram of the through-hole is opened so that should
Through-hole light transmission, optical fiber projects light by through-hole, and is projected to perspective plane, and when the light of fibre optical transmission no longer injects the through-hole
Afterwards, the iris diaphgram of the through-hole is closed immediately so that the through-hole is opaque.It refers to working as diaphragm that iris diaphgram, which keeps normally off,
When any one through-hole of array does not inject the light of fibre optical transmission, the iris diaphgram of the through-hole remains closing.
For the fibre-optic scanner for imaging, scanner driver and light source are controlled by driving electronic system,
It is that scanner driver generates drive signal to drive electronic system, and to control the actuating of scanner driver, driving electronic system is also
Light source generates scan image pixel modulated signal, to form pixel at perspective plane.To preferred, described control circuit
It can be generated according to the drive signal of scanner driver or the scan image pixel modulated signal of light source each on control diaphragm array
The iris diaphgram that a iris diaphgram opens or closes controls signal, so that diaphragm array has the function of that sequence gates, according to
The track of scanning gates iris diaphgram, the speeds match of the switching speed and the modulation of scan image pixel of iris diaphgram successively.Into
One step is preferred, and the driving circuit can be the driving electronic system, that is, the driving circuit and driving electricity
Subsystem is the same part, is swept to be scanner driver generation drive signal simultaneously by the driving circuit, be light source generation
It retouches image pixel modulated signal and generates iris diaphgram for the iris diaphgram on diaphragm array and control signal.
The iris diaphgram can be by open aperture and close aperture make corresponding through-hole light transmission and it is lighttight can
Become aperture.Further, the control circuit is used to control opening or closing for each iris ring on diaphragm array so that when
When the light of fibre optical transmission injects any one through-hole of diaphragm array, the iris ring of the through-hole is opened so that the through-hole light transmission；
And when any one through-hole of diaphragm array does not inject the light of fibre optical transmission, the iris ring of the through-hole is closed so that should
Through-hole is opaque.
The iris diaphgram can be by opening and closing so that through-hole light transmission and the lighttight liquid crystal of diaphragm array
Diaphragm.Further, the control circuit is used to control opening or closing for each liquid crystal diaphragm on diaphragm array so that works as light
When the light of fibre transmitting injects any one through-hole of diaphragm array, the liquid crystal diaphragm of the through-hole is opened so that the through-hole light transmission；With
And when any one through-hole of diaphragm array does not inject the light of fibre optical transmission, the liquid crystal diaphragm of the through-hole is closed so that this is logical
Hole is opaque.
The diaphragm array is placed between fibre optics scan system and target projection face, and fibre optical transmission end is only allowed in scanning process
The light of transmitting prevents diffraction ring by diaphragm array, to which the image on perspective plane there will be no diffraction by diaphragm array
Ring can be obviously improved the display effect of scan image
Through-hole on the diaphragm array can have any shape, such as arbitrary in circle, rectangle or rectangular shape
It is a kind of.
The quantity of the optical fiber can be one, it is two or more.
Between optical fiber and scanner driver, either optical fiber is arranged in a one-to-one correspondence with scanner driver, to by each
Scanner driver independently drives corresponding optical fiber；It can also be that any number of optical fiber are corresponding with a scanner driver to set
It sets, to drive multiple optical fiber simultaneously by single scanner driver.
The optical fiber can be single mode optical fiber or multimode fibre.
The scanner driver includes piezoelectric actuator or MEMS actuator.
One or more technical solution in the embodiment of the present invention, at least has the following technical effect that or advantage：
The present invention by spatial distribution diaphragm array, diaphragm array according to the track of scanning gate each through-hole successively can
The mode for becoming diaphragm, has filtered out diffraction ring band, can be obviously improved the display effect of scan image.
Description of the drawings
Fig. 1 is the structural schematic diagram of the device of the promotion optical fiber scanning image quality of the present invention；
Fig. 2 is the structural schematic diagram of the diaphragm array of the present invention；
Fig. 3 is the comparison diagram of the display effect of the present invention and the display effect of the prior art；
Fig. 4 is another structural schematic diagram of the diaphragm array of the present invention；
Fig. 5 is a kind of scanning track schematic diagram in the embodiment of the present invention；
Fig. 6 is another scanning track schematic diagram in the embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of piezoelectric actuator in the embodiment of the present invention；
Fig. 8 is the structural schematic diagram of another piezoelectric actuator in the embodiment of the present invention.
In figure, 1- optical fiber, 2- light sources, 3- scanner drivers, 301- piezoelectric ceramic tubes, the first bimorphs of 311-,
The second bimorphs of 312-, 4- diaphragm arrays, 401- through-holes, 5- iris diaphgrams.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of method promoting optical fiber scanning image quality, to overcome diffraction ring to scanning figure
The technical issues of clarity and contrast of picture impact.
In order to achieve the above-mentioned object of the invention, as shown in Figure 1, Figure 2, first aspect of the embodiment of the present invention provides a kind of promotion
The method of optical fiber scanning image quality, includes the following steps：
S1, optical fiber 1 transmit the light from light source 2 and emit the light from transmitting terminal, at the same scanner driver 3 drive it is described
The transmitting terminal of optical fiber 1 is moved by predetermined scanning track, if a kind of example of scanning track is set forth in Fig. 5 and Fig. 6, when
So scanning track is not limited to above-mentioned example；
The light that S2, optical fiber 1 emit is injected by the scanning track in the through-hole 401 of diaphragm array 4 successively, diaphragm array 4
Gate the iris diaphgram 5 of each through-hole 401, switching speed and the scan image pixel of iris diaphgram 5 successively according to the track of scanning
The speeds match of modulation.
To which at any time, diaphragm array 4 only allows the optical fiber 1 for injecting through-hole 401 to project light by through-hole 401, and
It is projected to perspective plane, and the diffraction light of optical fiber 1 is stopped by the iris diaphgram 5 closed on diaphragm array 4 and diaphragm array 4, it will not
Perspective plane is reached, to which the image on perspective plane there will be no diffraction ring, the display effect of scan image can be obviously improved.
As shown in figure 3, being the display effect of the prior art on the left of in figure, right side is display effect of the invention in figure, logical
Comparison is crossed it can be seen that the present invention effectively eliminates diffraction ring compared with prior art, to improve the display effect of image.
Further alternative, the diaphragm array 4 gates the iris diaphgram of each through-hole 401 according to the track of scanning successively
5, the speeds match that the switching speed of iris diaphgram 5 is modulated with scan image pixel can be：At any time, there is the hair of optical fiber 1
The iris diaphgram 5 for the through-hole 401 that the light penetrated is injected is opened so that 401 light transmission of through-hole, while the light that no optical fiber 1 emits is penetrated
The iris diaphgram 5 of the through-hole 401 entered is closed so that the through-hole 401 is opaque.
Second aspect of the embodiment of the present invention provides a kind of device promoting optical fiber scanning image quality, can implement above-mentioned
Anticipate it is a kind of promoted optical fiber scanning image quality method, as shown in Figure 1 and Figure 2 comprising：
Optical fiber 1 transmits the light from light source 2 and emits the light from transmitting terminal,
Scanner driver 3 drives the transmitting terminal of the optical fiber 1 to be moved by predetermined scanning track,
Diaphragm array 4, the light that Transmission Fibers 1 emit, the diaphragm array 4 have the through-hole of two-dimensional array structure arrangement
401, and each through-hole 401 be both provided with so that through-hole 401 light transmission and it is opaque between the iris diaphgram 5 converted；
Control circuit, each iris diaphgram 5 for controlling on diaphragm array 4 open or close so that diaphragm array 4 has
The function of having sequence to gate, iris diaphgram 5, the switching speed and scanning figure of iris diaphgram 5 are gated according to the track of scanning successively
The speeds match modulated as pixel.
Further, the diaphragm array 4 gates the iris diaphgram 5 of each through-hole 401 according to the track of scanning successively, can
The speeds match for becoming switching speed and scan image the pixel modulation of diaphragm 5 can be into：Iris diaphgram 5 on diaphragm array 4 is equal
Keep normally off, only when the light that optical fiber 1 emits injects any one through-hole 401 of diaphragm array 4, the through-hole 401 can
Become diaphragm 5 to open so that 401 light transmission of through-hole, optical fiber 1 projects light by through-hole 401, and is projected to perspective plane, and works as light
After the light of 1 transmitting of fibre no longer injects the through-hole 401, the iris diaphgram 5 of the through-hole 401 is closed immediately so that the through-hole 401 is impermeable
Light.It refers to when any one through-hole 401 of diaphragm array 4 does not inject the light of the transmitting of optical fiber 1 that iris diaphgram 5, which keeps normally off,
When, the iris diaphgram 5 of the through-hole 401 remains closing.
For the fibre-optic scanner for imaging, scanner driver 3 and light source 2 are controlled by driving Department of Electronics
System, driving electronic system are that scanner driver 3 generates drive signal, to control the actuating of scanner driver 3, drive electronic system
Also it is that light source 2 generates scan image pixel modulated signal, to form pixel at perspective plane.To preferred, described control
Circuit processed can generate control diaphragm battle array according to the drive signal of scanner driver 3 or the scan image pixel modulated signal of light source 2
The iris diaphgram 5 that each iris diaphgram 5 on row 4 opens or closes controls signal, so that there is diaphragm array 4 sequence to gate
Function, gate iris diaphgram 5 successively according to the track of scanning, switching speed and the scan image pixel of iris diaphgram 5 are modulated
Speeds match.It is further preferred that the driving circuit can be the driving electronic system, that is, the driving electricity
Road is the same part with the driving electronic system, to generate driving letter simultaneously for scanner driver 3 by the driving circuit
Number, generate for light source 2 scan image pixel modulated signal and be that iris diaphgram 5 on diaphragm array 4 generates iris diaphgram 5 and controls
Signal.
The iris diaphgram 5 can be to make corresponding 401 light transmission of through-hole and opaque by opening aperture and closing aperture
Iris ring.Further, the control circuit is used to control opening or closing for each iris ring on diaphragm array 4,
So that when the light that optical fiber 1 emits injects any one through-hole 401 of diaphragm array 4, the iris ring of the through-hole 401 is opened,
Make 401 light transmission of through-hole；And when any one through-hole 401 of diaphragm array 4 does not inject the light of the transmitting of optical fiber 1, this is logical
The iris ring in hole 401 is closed so that the through-hole 401 is opaque.
The iris diaphgram 5 can be by opening and closing so that 401 light transmission of through-hole of diaphragm array 4 and lighttight
Liquid crystal diaphragm.Further, the control circuit is used to control opening or closing for each liquid crystal diaphragm on diaphragm array 4, makes
When the light that proper optical fiber 1 emits injects any one through-hole 401 of diaphragm array 4, the liquid crystal diaphragm of the through-hole 401 is opened, and is made
Obtain 401 light transmission of through-hole；And when any one through-hole 401 of diaphragm array 4 does not inject the light of the transmitting of optical fiber 1, the through-hole
401 liquid crystal diaphragm is closed so that the through-hole 401 is opaque.
The diaphragm array 4 is placed between fibre optics scan system and target projection face, and optical fiber 1 is only allowed to emit in scanning process
It holds the light of transmitting by diaphragm array 4, and prevents diffraction ring by diaphragm array 4, to which the image on perspective plane there will be no
Diffraction ring can be obviously improved the display effect of scan image.
Through-hole 401 on the diaphragm array 4 can have any shape, such as in round, rectangle or rectangular shape
Any one.As shown in Fig. 2, the shape of through-hole 401 is circle；It also can be as shown in figure 4, the shape of through-hole 401 be rectangle.
The quantity of the optical fiber 1 can be one, it is two or more.
Between optical fiber 1 and scanner driver 3, either optical fiber 1 is arranged in a one-to-one correspondence with scanner driver 3, thus by
Each scanner driver 3 is independent to drive corresponding optical fiber 1；Can also be any number of optical fiber 1 and 3 phase of scanner driver
It is correspondingly arranged, to drive multiple optical fiber 1 simultaneously by single scanner driver 3.
The optical fiber 1 can be single mode optical fiber 1 or multimode fibre 1.
Commercially available iris ring can be used in the iris ring, can be changed as disclosed in Chinese patent CN103246126A
A kind of motorized adjustment diaphragm or Chinese patent CN107167917A disclosed in 5 system of diaphragm or Chinese patent CN206074847U
Disclosed rotation direct drive electric diaphragm.It generally comprises the anti-dazzling screen that one can block through-hole 401 and a driving shading
Piece moves so that anti-dazzling screen blocks the driving part of through-hole 401 or unlimited through-hole 401, to control driving portion by control circuit
Part realizes the control to iris ring.
Commercially available liquid crystal diaphragm or electronic-control dimming glass can be used in the liquid crystal diaphragm, such as Chinese patent CN1350281A
In apertured layer disclosed in disclosed liquid crystal diaphragm part or Chinese patent CN104243782A filled with having variable light transmittance
The variable transparent area and electrode unit of material.Its liquid crystal molecule for generally comprising layer glass layer, being placed between layer glass layer
With the electrode for applying adjustment voltage to liquid crystal molecule, change the spread state of liquid crystal molecule by the adjustment voltage of application, to
Realize the adjustment of light transmittance.Control circuit connection electrode realizes the control to liquid crystal diaphragm.
The scanner driver 3 includes piezoelectric actuator or MEMS actuator.
It is further alternative, as shown in fig. 7, the pressure that the piezoelectric actuator includes one end fixes, one end is free end
Electroceramics pipe 301, optical fiber 1 are fixed on the free end of piezoelectric ceramic tube 301 by connector and make the transmitting terminal of optical fiber 1 in outstanding
Arm.Circumferentially uniformly distributed on the surface of piezoelectric ceramic tube 301 to have 4 electrodes, the free end of piezoelectric ceramic tube 301 is in alternation
Two-dimension vibration is done under the driving of voltage, to drive 1 end two-dimension vibration of optical fiber, realizes two-dimensional scan.
It is further alternative, as shown in figure 8, the piezoelectric actuator includes the first bimorph being fixedly connected
311 and second bimorph 312, the first bimorph 311 and the second bimorph 312 all have fixing end and freedom
End, the fixing end of the first bimorph 311 are fixedly installed on pedestal, the fixing end and first of the second bimorph 312
The free end of bimorph 311 is fixedly connected.First bimorph 311 under the driving of buckling voltage its free end along
One shaft vibration, the second bimorph 312 its free end under the driving of buckling voltage are fixed on along the second shaft vibration, optical fiber 1
The free end of second bimorph 312.To 311 free end of the first bimorph drive the second bimorph 312 and
Optical fiber 1 along the first shaft vibration, meanwhile, 312 free end of the second bimorph drive optical fiber 1 along the second shaft vibration, final optical fiber 1
Simultaneously along the first shaft vibration and along the second shaft vibration, when first axle and the second axis are not parallel, optical fiber 1 realizes two-dimensional scan, excellent
Choosing, the first axle is perpendicular to the second axis.Optical fiber 1 is fixedly installed on the second bimorph 312, is avoided using company
Relay part, the loss of the power caused by not having connecting component, the first bimorph 311 and the second bimorph 312
Driving force can not generate decaying and effectively pass to optical fiber 1, to increase the Oscillation Amplitude of optical fiber 1.
The embodiment of two kinds of piezoelectric actuators is presented above, it is apparent that the 3 adoptable pressure of scanner driver of the present invention
The structure of electric drive is not limited to above-described embodiment.
It should be noted that the present invention will be described rather than limits the invention for above-described embodiment, and ability
Field technique personnel can design alternative embodiment without departing from the scope of the appended claims.In the claims,
Any reference mark between bracket should not be configured to limitations on claims.Word "comprising" or " comprising " are not arranged
Except there are element or steps not listed in the claims.Word "a" or "an" before element does not exclude the presence of more
A such element.The present invention can be by means of including the hardware of several different elements and by means of properly programmed calculating
Machine is realized.In the unit claims listing several devices, several in these devices can be by same
Hardware branch embodies.The use of word first, second, and third does not indicate that any sequence, can be by these word solutions
It is interpreted as title.
One or more technical solution in the embodiment of the present invention, at least has the following technical effect that or advantage：
The present invention by gating each through-hole successively in spatial distribution diaphragm array 4, diaphragm array 4 according to the track of scanning
The mode of 401 iris diaphgram 5, has filtered out diffraction ring band, can be obviously improved the display effect of scan image.
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 invention is not limited in specific implementation modes above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (10)
1. a kind of method promoting optical fiber scanning image quality, which is characterized in that include the following steps：
S1, light of optical fiber (1) transmission from light source (2) simultaneously emit the light from transmitting terminal, while scanner driver (3) drives institute
The transmitting terminal for stating optical fiber (1) is moved by predetermined scanning track；
S2, the through-hole (401) that the light of optical fiber (1) transmitting injects diaphragm array (4) successively by the scanning track are interior, diaphragm array
(4) iris diaphgram (5) of each through-hole (401), the switching speed of iris diaphgram (5) and scanning are gated successively according to the track of scanning
The speeds match of image pixel modulation.
2. a kind of method promoting optical fiber scanning image quality as described in claim 1, which is characterized in that the step S2
In, at any time, diaphragm array (4) only allows the optical fiber (1) for injecting through-hole (401) to project light by through-hole (401), and throws
It is incident upon perspective plane, the diffraction light of optical fiber (1) is stopped by the iris diaphgram (5) closed on diaphragm array (4) and diaphragm array (4),
Perspective plane will not be reached.
3. a kind of method promoting optical fiber scanning image quality as claimed in claim 1 or 2, which is characterized in that the light
Late array (4) gates the iris diaphgram (5) of each through-hole (401), the switching speed of iris diaphgram (5) according to the track of scanning successively
With scan image pixel modulation speeds match be：At any time, there is the through-hole (401) of the light injection of optical fiber (1) transmitting
Iris diaphgram (5) is opened so that through-hole (401) light transmission, while without the through-hole (401) of the light injection of optical fiber (1) transmitting
Iris diaphgram (5) is closed so that the through-hole (401) is opaque.
4. a kind of device promoting optical fiber scanning image quality, which is characterized in that including：
Optical fiber (1), light of the transmission from light source (2) simultaneously emit the light from transmitting terminal,
Scanner driver (3) drives the transmitting terminal of the optical fiber (1) to be moved by predetermined scanning track,
Diaphragm array (4), the light of Transmission Fibers (1) transmitting, the diaphragm array (4) have the logical of two-dimensional array structure arrangement
Hole (401), and each through-hole (401) be both provided with so that through-hole (401) light transmission and it is opaque between converted can be changed
Diaphragm (5)；
Control circuit, each iris diaphgram (5) for controlling on diaphragm array (4) open or close so that diaphragm array (4)
Have the function of that sequence gates, iris diaphgram (5) gated successively according to the track of scanning, the switching speed of iris diaphgram (5) with
The speeds match of scan image pixel modulation.
5. a kind of device promoting optical fiber scanning image quality as described in claim 1, which is characterized in that the control electricity
Road generates control diaphragm array according to the drive signal of scanner driver (3) or the scan image pixel modulated signal of light source (2)
(4) iris diaphgram (5) that each iris diaphgram (5) on opens or closes controls signal.
6. a kind of device promoting optical fiber scanning image quality as described in claim 4 or 5, which is characterized in that the light
Late array (4) gates the iris diaphgram (5) of each through-hole (401), the switching speed of iris diaphgram (5) according to the track of scanning successively
With scan image pixel modulation speeds match be：Iris diaphgram (5) on diaphragm array (4) keeps normally off, only when
When the light of optical fiber (1) transmitting injects any one through-hole (401) of diaphragm array (4), the iris diaphgram (5) of the through-hole (401)
It opens so that through-hole (401) light transmission, optical fiber (1) project light by through-hole (401), and work as the light of optical fiber (1) transmitting no longer
After injecting the through-hole (401), the iris diaphgram (5) of the through-hole (401) is closed immediately so that the through-hole (401) is opaque.
7. a kind of device of promotion optical fiber scanning image quality as described in any one of claim 4-6, which is characterized in that
The through-hole (401) of the diaphragm array (4) be round, rectangle or be rectangular in any one.
8. a kind of device of promotion optical fiber scanning image quality as described in any one of claim 4-7, which is characterized in that
The quantity of optical fiber (1) be one, it is two or more.
9. a kind of device promoting optical fiber scanning image quality as claimed in claim 8, which is characterized in that the optical fiber
(1) it is to be arranged in a one-to-one correspondence between scanner driver (3)；
Or any number of optical fiber (1) settings corresponding with one scanner driver (3), it is driven simultaneously by single scanner driver (3)
Move any number of optical fiber (1).
10. a kind of method of promotion optical fiber scanning image quality as described in any one of claim 4-9, feature exist
In the scanner driver (3) includes piezoelectric actuator or MEMS actuator.
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| CN201711287253.1A CN108803010A (en) | 2017-12-07 | 2017-12-07 | A kind of method and device promoting optical fiber scanning image quality |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634002A (en) * | 2019-02-22 | 2019-04-16 | 京东方科技集团股份有限公司 | A kind of mechanism of diaphragm, its driving method and compound eye imaging system |
| CN110113586A (en) * | 2019-04-30 | 2019-08-09 | 成都理想境界科技有限公司 | A kind of scanning display apparatus and projection device |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374555A (en) * | 2001-03-09 | 2002-10-16 | 姜牧 | Synchronous scanning forward-projecting reflecting screen with zonal shutter |
| CN1648765A (en) * | 2004-01-30 | 2005-08-03 | 精工爱普生株式会社 | Illumination device, display device, and projection type display device |
| CN102368374A (en) * | 2011-09-16 | 2012-03-07 | 广东威创视讯科技股份有限公司 | Device for increasing resolution ratio of dot-matrix display screen and dot-matrix display screen system |
| CN102525384A (en) * | 2011-12-23 | 2012-07-04 | 华中科技大学 | Two-dimensional grid-type scanning method adopting optical fiber cantilever resonance-type scanner |
| CN104620156A (en) * | 2012-10-01 | 2015-05-13 | 奥林巴斯株式会社 | Optical fiber scanner |
| CN104678553A (en) * | 2013-11-26 | 2015-06-03 | 吴小平 | Group scanning laser projection television and multi-area light valve screen matched with same |
| CN104856634A (en) * | 2015-04-01 | 2015-08-26 | 上海交通大学 | Large-scan-angle single optical fiber endoscope scan probe and preparation method thereof |
| WO2017127547A1 (en) * | 2016-01-20 | 2017-07-27 | Magic Leap, Inc. | Polarizing maintaining optical fiber in virtual/augmented reality system |
| CN107003511A (en) * | 2014-11-18 | 2017-08-01 | 奥林巴斯株式会社 | Optical scanning actuator and light scanning apparatus |
| CN107209364A (en) * | 2015-01-23 | 2017-09-26 | 奥林巴斯株式会社 | Light scanning apparatus |
| CN107427184A (en) * | 2015-03-18 | 2017-12-01 | 奥林巴斯株式会社 | The calibration method and calibrating installation of light scanning apparatus |
-
2017
- 2017-12-07 CN CN201711287253.1A patent/CN108803010A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1374555A (en) * | 2001-03-09 | 2002-10-16 | 姜牧 | Synchronous scanning forward-projecting reflecting screen with zonal shutter |
| CN1648765A (en) * | 2004-01-30 | 2005-08-03 | 精工爱普生株式会社 | Illumination device, display device, and projection type display device |
| CN102368374A (en) * | 2011-09-16 | 2012-03-07 | 广东威创视讯科技股份有限公司 | Device for increasing resolution ratio of dot-matrix display screen and dot-matrix display screen system |
| CN102525384A (en) * | 2011-12-23 | 2012-07-04 | 华中科技大学 | Two-dimensional grid-type scanning method adopting optical fiber cantilever resonance-type scanner |
| CN104620156A (en) * | 2012-10-01 | 2015-05-13 | 奥林巴斯株式会社 | Optical fiber scanner |
| CN104678553A (en) * | 2013-11-26 | 2015-06-03 | 吴小平 | Group scanning laser projection television and multi-area light valve screen matched with same |
| CN107003511A (en) * | 2014-11-18 | 2017-08-01 | 奥林巴斯株式会社 | Optical scanning actuator and light scanning apparatus |
| CN107209364A (en) * | 2015-01-23 | 2017-09-26 | 奥林巴斯株式会社 | Light scanning apparatus |
| CN107427184A (en) * | 2015-03-18 | 2017-12-01 | 奥林巴斯株式会社 | The calibration method and calibrating installation of light scanning apparatus |
| CN104856634A (en) * | 2015-04-01 | 2015-08-26 | 上海交通大学 | Large-scan-angle single optical fiber endoscope scan probe and preparation method thereof |
| WO2017127547A1 (en) * | 2016-01-20 | 2017-07-27 | Magic Leap, Inc. | Polarizing maintaining optical fiber in virtual/augmented reality system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109634002A (en) * | 2019-02-22 | 2019-04-16 | 京东方科技集团股份有限公司 | A kind of mechanism of diaphragm, its driving method and compound eye imaging system |
| CN109634002B (en) * | 2019-02-22 | 2022-01-11 | 京东方科技集团股份有限公司 | Diaphragm structure, driving method thereof and compound eye imaging system |
| CN110113586A (en) * | 2019-04-30 | 2019-08-09 | 成都理想境界科技有限公司 | A kind of scanning display apparatus and projection device |
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Application publication date: 20181113 |