CN205564287U - Holographic information recorded and reproducer, display device - Google Patents
Holographic information recorded and reproducer, display device Download PDFInfo
- Publication number
- CN205564287U CN205564287U CN201620128944.1U CN201620128944U CN205564287U CN 205564287 U CN205564287 U CN 205564287U CN 201620128944 U CN201620128944 U CN 201620128944U CN 205564287 U CN205564287 U CN 205564287U
- Authority
- CN
- China
- Prior art keywords
- holographic information
- record medium
- light source
- reproduced
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Holo Graphy (AREA)
Abstract
The utility model discloses a holographic information recorded and reproducer, display device. Holographic information record carrier includes light source and recording medium, and this light source arranges and become to provide reference beam and thing light beam, and this holography information record carrier still includes the lightning regulatory element, and wherein this lightning regulatory element is arranged on waiting to reappear the light path between object and this recording medium, this thing light beam of waiting to reappear the object scattering of receipt follow to emitting direction and the focus of adjusting this thing light beam are in order to shine this recording medium, and this recording medium this thing light beam of arranging into this reference beam that the receipt comes from this light source and adjusting through this lightning regulatory element wherein to this reference beam forms in this recording medium and should wait to reappear the relevant information of object with this thing light beam. Through adopting the lightning regulatory element to adjust the emitting direction and the focus of light beam, need not rotatory recording medium and can realize holographic recording of information and reproduction to simplify the recording and reproduction process, improve the reliability.
Description
Technical field
This utility model relates to Display Technique field, is specifically related to a kind of holographic information recording recording device, holographic information transcriber and display device.
Background technology
Stereo display based on holographic information increasingly receives publicity.In the recording process of holographic information, along two laser beams of different propagated, i.e. reference beam and object beam, interfere formation optical fringe pattern.This optical interference pattern causes the chemically or physically change in photosensitive recording medium so that the information relevant with object to be reproduced is recorded in the recording medium.In the reproducing processes of holographic information, it is irradiated to record medium to the similar reference beam of reference beam for record so that the optical interference pattern in record medium carries out diffraction to reproduce object beam to reference beam, thus reproduces information.
Fig. 1 is the schematic diagram of a kind of holographic information recording and transcriber.As it is shown in figure 1, the light source 10 of such as laser instrument sends source beam 11, this source beam 11 is divided into reference beam 21 and object beam 22 by beam splitter 20.Reference beam 31 after reference beam 21 is reflected mirror 30 reflection is irradiated on photorefractive crystal 40.It addition, object beam 22 occurs diffuse-reflectance after being irradiated on object 70 to be reproduced, and it is irradiated on photorefractive crystal 40 through irreflexive object beam 72.Reference beam 31 and object beam 72 superposition produce to be interfered so that the information relevant with object 70 to be reproduced is by photorefractive crystal 40 record.
Utility model content
This utility model aims to provide holographic information recording and transcriber, the display device of a kind of improvement.
In first aspect, provide a kind of holographic information recording recording device, including light source and record medium, this light source is arranged to provide reference beam and object beam, this holographic information recording recording device also includes electric light regulating element, wherein this electric light regulating element is arranged in the light path between object to be reproduced and this record medium, receives from this object beam of this object scatter to be reproduced, and regulates the exit direction of this object beam and focal length to irradiate this record medium；And wherein this record dielectric cloth is set to receive this reference beam from this light source and this object beam through the regulation of this electric light regulating element, and this reference beam forms the information relevant with this object to be reproduced with this object beam in this record medium.When the signal of telecommunication such as change in voltage applied, the refractive index of this electric light regulating element changes, so that incident beam direction after its transmission and focal length change.According to this utility model, realized the record of holographic information by the exit direction and focal length using electric light regulating element instrumentality light beam so that need not rotating recording medium with recording holographic information.This simplify recording process and improve the reliability of record.Additionally, due to need not provide the actuation means making record medium rotate in recording process, the part count in this holographic information recording recording device reduces, and structure simplifies and cost reduces.Furthermore, owing to record medium need not rotate, therefore it is possible to prevent the crosstalk owing to causing when rotating recording medium records.
Such as, this holographic information recording recording device also includes that beam separation of component, the source beam that wherein this beam separation of component is arranged to be launched by this light source are separated into this reference beam and this object beam.This beam separation of component can be Amici prism, polarization beam apparatus etc..Source beam can be divided the reflection light beam and transmitted light beam formed an angle by this Amici prism according to a certain percentage.Exemplarily, source beam can be separated into this reference beam and this object beam according to the ratio of 1:1 by this Amici prism, and wherein this reference beam is transmitted light beam, and this object beam is reflection light beam.This beam separation of component can also is that other optical element that those skilled in the art know, as long as this can be not construed as limiting by it by source beam beam splitting, this utility model.
Such as, this holographic information recording recording device also includes at least one Beam steering elements, and wherein this Beam steering elements is arranged to this reference beam deflects into this record medium and this object beam deflects into this object to be reproduced.This Beam steering elements can be reflecting mirror, total reflection prism etc..By providing this Beam steering elements, the design freedom of light path to significantly improve in holographic information recording recording device.This Beam steering elements can also is that other optical element that those skilled in the art know, as long as this can be not construed as limiting by it by light beam steering, this utility model.
Such as, this holographic information recording recording device also includes beam spread element, wherein this beam spread element is arranged in the light path between this light source and this beam separation of component, receives the source beam that this light source is launched, and irradiates this beam separation of component after this source beam beam-expanding collimation.This beam spread element with the diameter of extended source light beam, and can reduce the angle of divergence of source beam.This beam spread element can be Kepler-type beam expander, Galilean type beam expander or other lens combination.This beam spread element can also is that other optical element that those skilled in the art know, as long as it can carry out beam-expanding collimation to the source beam that light source is launched, this is not construed as limiting by this utility model.
Such as, this holographic information recording recording device also includes that light beam assembles element, and wherein this light beam gathering element is arranged in the upstream of this object to be reproduced, and object beam converges to this object to be reproduced.This light beam assembles the optical element that element can be such as convex lens, is used for assembling object beam to improve its utilization ratio.This light beam is assembled element and be can also is that other optical element that those skilled in the art know, as long as object beam can be assembled by it, this is not construed as limiting by this utility model.
Such as, this electric light regulating element is liquid crystal lens.Ordinary optical lens are single with focal length owing to relying on thickness, refractive index, can not meet the requirement of fine small optical system.By contrast, liquid crystal lens has that size is small, thickness is thin, is easily integrated, good imaging quality, response time are relatively fast, the advantage such as focus adjustable.Such as, liquid crystal lens can realize direction regulation and the change function of focal length of light beam in the response time of millisecond magnitude under electric field driven regulates.Use liquid crystal lens as electric light regulating element to realize the record (and reproduction) of holographic information, compared with using traditional optical elements, there is significant advantage.Traditional optical elements typically require multiple optical element for light splitting, collimate, deflect and convergence etc. so that light path is complicated, and the adjustment of light path is complicated and time-consuming, and system unit number is many and bulky.Use the electric light regulating element of such as liquid crystal lens when record (and reproduction) of holographic information, greatly simplify the light path of system so that light path adjusts simple.Due to the fast response time of liquid crystal lens, therefore can realize quick light beam regulation, thus quickly complete the record (and reproduction) of holographic information.Liquid crystal lens low-profile and being easily integrated, this is conducive to improving the miniaturization of holographic information recording (and reproduction) device and integrated.Furthermore, compared with the traditional optical elements of such as lens, lens arra or lens combination, liquid crystal lens more advantage in price, this is conducive to the cost extensively applying and reducing holographic information recording (and reproduction) device of liquid crystal lens.
Such as, this record medium be photorefractive crystal, photorefractive grating, photopolymer and photochromic material one of them.This record medium can be formed by any hologram recording material can made the light beam of a certain wavelength accordingly and inner refractive index changes.
Such as, this light source is laser instrument, and this reference beam and this object beam are coherent beam.Use laser instrument as the light source of holographic information recording recording device, reference beam relevant each other and object beam can be provided easily, make this reference beam and object beam interfere formation optical fringe pattern, thus in this record medium, form the information relevant with this object to be reproduced.
In second aspect, this utility model provides a kind of holographic information transcriber, including light source and record medium, this light source is arranged to provide reference beam, and this record medium contains the information relevant with object to be reproduced formed by object beam with this reference beam, this holographic information recording recording device also includes electric light regulating element, and wherein this record dielectric cloth is set to receive this reference beam from this light source, and this reference beam interacts with the information in this record medium to produce reconstruction beam；And wherein this electric light regulating element is arranged in the downstream of this record medium in the optical path, receive this reconstruction beam from this record medium emission, and regulate the exit direction of this reconstruction beam and focal length to form the holographic images of this object to be reproduced.According to this utility model, realized the reproduction of holographic information by the exit direction and focal length using electric light regulating element regulation reconstruction beam so that need not rotating recording medium to reproduce holographic information.This simplify reproducing processes and improve the reliability of reproduction.Additionally, due to need not provide the actuation means making record medium rotate in reproducing processes, the part count in this holographic information transcriber reduces, and structure simplifies and cost reduces.Furthermore, owing to record medium need not rotate, therefore it is possible to prevent the crosstalk owing to causing when rotating recording medium reproduces.
Such as, this holographic information transcriber also includes beam spread element, and wherein this beam spread element is arranged to receive the source beam of this light source transmitting and irradiate this record medium by after this source beam beam-expanding collimation.This beam spread element with the diameter of extended source light beam, and can reduce the angle of divergence of source beam.
Such as, this electric light regulating element is liquid crystal lens.By using liquid crystal lens as electric light regulating element, the beneficially miniaturization of holographic information transcriber.
In the third aspect, this utility model provides a kind of display device, including holographic information recording recording device mentioned above and holographic information transcriber mentioned above.
Having and holographic information recording recording device mentioned above and the same or analogous benefit of holographic information transcriber according to display device of the present utility model, here is omitted.
According to holographic information recording of the present utility model and transcriber, display device, record and the reproduction of holographic information is realized so that need not rotating recording medium and with record and reproduce holographic information by the exit direction and focal length using electric light regulating element instrumentality light beam.This simplify record and reproducing processes and improve record and the reliability reproduced.Additionally, due to need not provide the actuation means making record medium rotate in record and reproducing processes, the part count in holographic information recording and transcriber reduces, and structure simplifies and cost reduces.Furthermore, owing to record medium need not rotate, therefore it is possible to prevent the crosstalk caused when recording due to rotating recording medium and reproduce.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, the accompanying drawing of embodiment will be done simple introduction below.Should be understood that the accompanying drawing in describing below merely relates to embodiments more of the present utility model rather than is intended to limit this utility model.
Fig. 1 is the schematic diagram of known holographic information recording and transcriber；
The schematic diagram of the holographic information recording recording device that Fig. 2 provides for this utility model embodiment；
Fig. 3 A and 3B carries out the schematic diagram of holographic information recording for the electric light regulating element that this utility model embodiment provides；And
The schematic diagram of the holographic information transcriber that Fig. 4 provides for this utility model embodiment.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical solution of the utility model; below in conjunction with accompanying drawing, structure of the present utility model and principle are described in detail; illustrated embodiment is only used for explaining this utility model, not limits protection domain of the present utility model with this.
Parts mark shown in accompanying drawing is as follows: 10 light sources；11 source beams；20 beam splitters；21 reference beams；22 object beams；30 reflecting mirrors；31 reference beams；40 photorefractive crystals；70 objects to be reproduced；72 object beams；100 light sources；101 source beams；110 beam spread elements；120 beam separation of component；121 reference beams；122 object beams；130 Beam steering elements；140 record media；142 reconstruction beams；150 Beam steering elements；152 object beams；160 light beams assemble element；162 object beams；170 objects to be reproduced；172 object beams；180 electric light regulating elements；182,182' object beam；183 reconstruction beams；190 holographic images.
In the recording process of the holographic information recording shown in Fig. 1 and transcriber, after photorefractive crystal 40 is arranged on an angle, this holographic information recording and transcriber can only record irreflexive object beam 72 of the object to be reproduced 70 received in respective angles.If recording complete irreflexive object beam 72 of object 70 to be reproduced, photorefractive crystal 40 needs to rotate to multiple angle respectively, make the object 70 to be reproduced irreflexive object beam 72 under these angles by photorefractive crystal 40 record, thus record this object 70 to be reproduced more realistically.That is, this holographic information recording and transcriber are when recording holographic information, and photorefractive crystal 40 needs different rotation angle to realize the record of holographic information.Similarly, in the reproducing processes of this holographic information, photorefractive crystal 40 is also required to rotate with the reproduction realizing holographic information.Therefore, this holographic information recording and transcriber need be additionally provided the actuation means making photorefractive crystal rotate, which increase the complexity of design.
For this, an embodiment of the present utility model provides a kind of holographic information recording recording device, including light source and record medium, this light source is arranged to provide reference beam and object beam, this holographic information recording recording device also includes electric light regulating element, wherein this electric light regulating element is arranged in the light path between object to be reproduced and this record medium, receives from this object beam of this object scatter to be reproduced, and regulates the exit direction of this object beam and focal length to irradiate this record medium；And wherein this record dielectric cloth is set to receive this reference beam from this light source and this object beam through the regulation of this electric light regulating element, and this reference beam forms the information relevant with this object to be reproduced with this object beam in this record medium.
The detailed description of the invention of holographic information recording recording device is illustrated below in conjunction with Fig. 2.The schematic diagram of the holographic information recording recording device that Fig. 2 provides for this utility model embodiment.As in figure 2 it is shown, this holographic information recording recording device includes light source 100 and record medium 140.Light source 100 is arranged to provide reference beam 121 and object beam 122.This holographic information recording recording device also includes electric light regulating element 180, it is arranged in the light path between object 170 to be reproduced and record medium 140, receive the object beam 172 from object 170 to be reproduced scattering, and the exit direction of instrumentality light beam 182 and focal length are to irradiate record medium 140.Record medium 140 is arranged to receive the reference beam 131 from light source 100 and the object beam 182 through electric light regulating element 180 regulation.Reference beam 131 and object beam 182 form the information relevant with object 170 to be reproduced in record medium 140.
According to this utility model, realized the record of holographic information by the exit direction and focal length using electric light regulating element instrumentality light beam so that need not rotating recording medium with recording holographic information.This simplify recording process and improve the reliability of record.Additionally, due to need not provide the actuation means making record medium rotate in recording process, the part count in this holographic information recording recording device reduces, and structure simplifies and cost reduces.Furthermore, owing to record medium need not rotate, therefore it is possible to prevent the crosstalk owing to causing when rotating recording medium records.
This holographic information recording recording device can also include beam separation of component 120.The source beam 101 that beam separation of component 120 is arranged to be launched by light source 100 is separated into reference beam 121 and object beam 122.Beam separation of component 120 can be Amici prism, polarization beam apparatus etc..Exemplarily, beam separation of component 120 is Amici prism, and source beam 101 is separated into reference beam 121 and object beam 122 according to the ratio of 1:1 by it.As indicated, reference beam 121 can be transmitted light beam, and object beam 122 can be reflection light beam.
This holographic information recording recording device can also include at least one Beam steering elements 130,150.Beam steering elements 130 is arranged to reference beam 121 deflects into record medium 140.Beam steering elements 150 is arranged to deflect into object beam 122 object 170 to be reproduced.Beam steering elements 130,150 can be reflecting mirror, total reflection prism etc..
This holographic information recording recording device can also include beam spread element 110.Beam spread element 110 is arranged in the light path between light source 100 and beam separation of component 120, receives the source beam 101 that light source 100 is launched, and by illumination beam resolution element 120 after source beam 101 beam-expanding collimation.Beam spread element 110 with the diameter of extended source light beam 101, and can reduce the angle of divergence of source beam 101.Beam spread element 110 can be Kepler-type beam expander, Galilean type beam expander or other lens combination.
This holographic information recording recording device can also include that light beam assembles element 160.Light beam is assembled element 160 and is arranged in the upstream of object 170 to be reproduced, and the object beam 152 deflected through Beam steering elements 150 is converged to object 170 to be reproduced.Light beam assembles the optical element that element 160 can be such as convex lens, for forming the object beam 162 of convergence to improve utilization ratio.
This electric light regulating element 180 can be liquid crystal lens.Liquid crystal lens is a kind of typical micro optical element, have that size is small, thickness is thin, be easily integrated, good imaging quality, response time relatively fast, the advantage such as focus adjustable.Such as, liquid crystal lens can realize direction regulation and the change function of focal length of light beam within the response time of millisecond magnitude under electric field driven regulates.Therefore, by using liquid crystal lens as electric light regulating element 180, the beneficially miniaturization of holographic information recording recording device.This liquid crystal lens can be PDLC (PDLC) lens, it is also possible to is other type of liquid crystal lens.
Liquid crystal lens can realize by having the liquid crystal cell of Asymmetric Electric electrode structure.Such as, by the electro-conductive glass of liquid crystal cell one side is etched the shape such as circular hole or annulus, form the unsymmetric structure of upper and lower glass electrically-conductive backing plate, thus make liquid crystal lens.When applying voltage between two panels electro-conductive glass, produce inhomogeneous field distribution in liquid crystal cell, liquid crystal director is produced induction, form effective refractive index heterogeneous distribution.That is, liquid crystal presents optical lens graded index Gradient distribution, causes the deviation to light, reaches focusing effect, forms focusing optical lenses.Owing to only need to form circular hole or annulus on the surface of an electro-conductive glass, thus forming asymmetric electrode to realize lens function, this liquid crystal lens structure is simple and can the current process of preferably compatible liquid crystal panel.
Alternatively, liquid crystal lens can be realized by the liquid crystal cell with spherical cavity.Such as, become the sphere surface structure of projection at the conduction liquid crystal cell internal production that flat board is symmetrical, liquid crystal injected spherical structure, produce focus on, and under electric field regulates and controls liquid crystal optic axis rotate the change producing refractive index, it is achieved the purpose focused.It is internally formed spherical cavity and by liquid crystal filling in this spherical cavity, this index distribution being equivalent to realize light beam by changing material thickness, thus beneficially electric light regulating element stability during holographic information recording (and reproduction) at liquid crystal cell.
Record medium 140 can be photorefractive crystal, photorefractive grating, photopolymer and photochromic material one of them.In embodiment of the present utility model, it is illustrated for photorefractive crystal as example recording medium 140.Photorefractive crystal mainly includes electro-optic crystal and sillenite, and wherein the electro-optic coefficient of electro-optic crystal is big and diffraction efficiency is high, and the response time of sillenite crystal is short and Preset grating sensitivity is bigger.Common photorefractive crystal includes Lithium metaniobate (LiNbO3), lithium tantalate (LiTaO3), Barium metatitanate. (BaTiO3), potassium niobate (KNbO3), bismuth silicate (Bi12SiO20), bismuth germanium oxide (Bi12GeO20) etc..Photopolymer has the advantages such as high luminous sensitivity, big dynamic range and high packing density, it is also possible to be applied to record medium 140 of the present utility model.Additionally, record medium 140 can be photorefractive grating, such as PMMA:DTNB:C60, PQ/PMMA etc..
Light source 100 can be laser instrument, thereby can provide reference beam 121 relevant each other and object beam 122 easily.Light source 100 can also be that other can produce and send the optics of laser.
Fig. 3 A and 3B carries out the schematic diagram of holographic information recording for the electric light regulating element that this utility model embodiment provides.As it can be seen, when applying a signal of telecommunication, object beam 182 is focused on the certain point on record medium 140 by electric light regulating element 180.When this change in electric, electric light regulating element 180 makes object beam 182 deflect and focus on another point on record medium 140.Exemplarily, this signal of telecommunication can be voltage signal.As can be seen here, the exit direction and focal length by using electric light regulating element instrumentality light beam realizes the record of holographic information so that in the recording process of holographic information, it is not necessary to rotating recording medium.
An embodiment of the present utility model provides a kind of holographic information transcriber, including light source and record medium, this light source is arranged to provide reference beam, and this record medium contains the information relevant with object to be reproduced formed by object beam with this reference beam, this holographic information recording recording device also includes electric light regulating element, wherein this record dielectric cloth is set to receive this reference beam from this light source, and this reference beam interacts with the information in this record medium to produce reconstruction beam；And wherein this electric light regulating element is arranged in the downstream of this record medium in the optical path, receive this reconstruction beam from this record medium emission, and regulate the exit direction of this reconstruction beam and focal length to form the holographic images of this object to be reproduced.
The detailed description of the invention of holographic information transcriber is illustrated below in conjunction with Fig. 4.The schematic diagram of the holographic information transcriber that Fig. 4 provides for this utility model embodiment.As shown in Figure 4, this holographic information transcriber includes light source 100 and record medium 140.Light source 100 is arranged to provide reference beam.Record medium 140 is containing the information relevant with object to be reproduced formed with this reference beam by object beam.This holographic information recording recording device also includes electric light regulating element 180.Record medium 140 is arranged to receive the reference beam from this light source 100, and reference beam interacts with the information in record medium 140 to produce reconstruction beam 142.Electric light regulating element 180 is arranged in the downstream of record medium 140 in the optical path, receives the reconstruction beam 142 launched from record medium 140, and regulates the exit direction of reconstruction beam 183 and focal length to form the holographic images 190 of object 170 to be reproduced.
According to this utility model, realized the reproduction of holographic information by the exit direction and focal length using electric light regulating element regulation reconstruction beam so that need not rotating recording medium to reproduce holographic information.This simplify reproducing processes and improve the reliability of reproduction.Additionally, due to need not provide the actuation means making record medium rotate in reproducing processes, the part count in this holographic information transcriber reduces, and structure simplifies and cost reduces.Furthermore, owing to record medium need not rotate, therefore it is possible to prevent the crosstalk owing to causing when rotating recording medium reproduces.
It should be noted that holographic information transcriber described in conjunction with Figure 4 can be formed on the basis of holographic information recording recording device described in conjunction with Figure 2, it is also possible to independently form.In view of factors such as framework cost and stability of layout, this holographic information transcriber is formed on the basis of being typically above-mentioned holographic information recording recording device.In a kind of situation, the light path recording medium 140 upstream in Fig. 4 can use the light path of Beam steering elements 130 upstream in Fig. 2, thus utilizes reference beam 121 to provide the reference beam for reproducing holographic information.In another situation, the light path recording medium 140 upstream in Fig. 4 can use the light path comprising Beam steering elements 130 recording medium 140 upstream in Fig. 2, thus utilizes reference beam 131 to provide the reference beam for reproducing holographic information.In above two situation, such as, by shading plate washer in fig. 2, object beam 122 is blocked, and suitably adjust electric light regulating element 180 and record medium 140 position in the optical path, the holographic information transcriber shown in Fig. 4 can be obtained.Therefore, each component representation for holographic information recording recording device shown in Fig. 2 is also applied for the corresponding component of the holographic information transcriber shown in Fig. 4.Exemplarily, this holographic information transcriber can also include beam spread element 110.Similarly, this electric light regulating element 180 can be liquid crystal lens.
It should be noted that the device shown in Fig. 2 and Fig. 4 can also include electric component, such as driving the drive circuit etc. of electric light regulating element 180.Device shown in Fig. 2 and Fig. 4 can also include other opticses.Such as, in fig. 2, light beam can be there is between object 170 to be reproduced and electric light regulating element 180 and assemble element, for object beam 172 is converged to electric light regulating element 180.Similarly, in the diagram, light beam can be there is between record medium 140 and electric light regulating element 180 and assemble element, for reconstruction beam 142 is converged to electric light regulating element 180.Additionally, in Fig. 2 and Fig. 4, the downstream of light source 100 is also provided with optical gate (shutter) to adjust the intensity of source beam 101.In the diagram, source beam 101 can be regulated to provide the reference beam for reproducing by optical gate.Alternatively, it is also possible to by the beam separation of component 120 shown in Fig. 2, source beam 101 is separated into reference beam for reproduction.
It should be noted that statement " light beam is assembled element and is arranged in the upstream of object to be reproduced " herein refers to that light beam is assembled element and is arranged in the upstream of object to be reproduced in the light path of holographic information recording recording device.That is, object beam incides object to be reproduced after assembling element through light beam.In this holographic information recording recording device, light beam concentrating element can be close to object to be reproduced and arrange, does not the most arrange other optical element.Certainly, can also there is other optical element between arranging in light beam concentrating element and reconstructed object.Similarly, statement " electric light regulating element is arranged in the downstream recording medium in the optical path " herein refers to that electric light regulating element is arranged in the downstream of record medium in the light path of holographic information transcriber.That is, producing reconstruction beam after reference beam incidence on the recording medium, this reconstruction beam incides electric light regulating element.In this holographic information transcriber, other optical element can be not provided with between record medium and electric light regulating element, it is also possible to there is other optical element.
An embodiment of the present utility model provides a kind of display device, including holographic information recording recording device described in conjunction with Figure 2 and holographic information transcriber described in conjunction with Figure 4.
An embodiment of the present utility model provides a kind of holographic information recording and reproducting method.With reference to shown in Fig. 2, when recording the information relevant with object to be reproduced, the method can include step:
Utilize electric light regulating element 180 to receive the object beam 172 from object 170 to be reproduced scattering, and the exit direction of instrumentality light beam 182 and focal length are to irradiate record medium 140；And
Reference beam 131 is utilized to irradiate this record medium so that reference beam 131 and object beam 182 form the information relevant with object 170 to be reproduced in record medium 140.
As in figure 2 it is shown, when recording relevant with object to be reproduced information, the method can also include step:
The source beam 101 launched by light source 100 is separated into reference beam 121 and object beam 122；
Object beam 122 is utilized to irradiate object 170 to be reproduced；
Electric light regulating element 180 is utilized to regulate exit direction and the focal length of the object beam 172 scattered by object 170 to be reproduced；And
While utilizing reference beam 121 to irradiate record medium 140, object beam 122 is utilized to irradiate this record medium.
The method can also include step: before the source beam 101 launched by light source 100 is separated into reference beam 121 and object beam 122, and source beam 101 is carried out beam-expanding collimation.
The method can also include step: utilizes Beam steering elements 130 deflection reference light beam 121；And use the reference beam 131 through deflection to irradiate record medium 140.The method can also include step: utilizes Beam steering elements 150 to deflect object beam 122, and uses the object beam 152 through deflection to irradiate object 170 to be reproduced.
The step utilizing object beam 122 to irradiate object 170 to be reproduced can also include: makes the object beam 152 through deflection assemble, and uses concentrated object beam 162 to irradiate object 170 to be reproduced.
With reference to shown in Fig. 4, when reproducing the information relevant with object to be reproduced, the method can include step:
Reference beam is utilized to irradiate record medium 140 to produce reconstruction beam 142；And
Utilize electric light regulating element 180 to receive reconstruction beam 142, and regulate the exit direction of reconstruction beam 183 and focal length to form the holographic images 190 of object 170 to be reproduced.
As it has been described above, electric light regulating element 180 can be liquid crystal lens.
Be given this utility model embodiment merely for the sake of diagram and descriptive purpose is described above.They are not intended to be exhaustive or limit content of the present utility model.Therefore, those skilled in the art will readily occur to many adjustment and modification, and these adjust and deformation all falls within protection domain of the present utility model.In brief, protection domain of the present utility model is defined by the independent claims.
Claims (11)
1. a holographic information recording recording device, including light source and record medium, this light source is arranged to provide reference beam and object beam, it is characterised in that: this holographic information recording recording device also includes electric light regulating element,
Wherein this electric light regulating element is arranged in the light path between object to be reproduced and this record medium, receives from this object beam of this object scatter to be reproduced, and regulates the exit direction of this object beam and focal length to irradiate this record medium；And
Wherein this record dielectric cloth is set to receive this reference beam from this light source and this object beam through the regulation of this electric light regulating element, and this reference beam forms the information relevant with this object to be reproduced with this object beam in this record medium.
Holographic information recording recording device the most according to claim 1, it is characterised in that also include beam separation of component,
The source beam that wherein this beam separation of component is arranged to be launched by this light source is separated into this reference beam and this object beam.
Holographic information recording recording device the most according to claim 1, it is characterised in that also include at least one Beam steering elements,
Wherein this Beam steering elements is arranged to this reference beam deflects into this record medium and this object beam deflects into this object to be reproduced.
Holographic information recording recording device the most according to claim 1, it is characterised in that also include beam spread element,
Wherein this beam spread element is arranged in the light path between this light source and this beam separation of component, receives the source beam that this light source is launched, and irradiates this beam separation of component after this source beam beam-expanding collimation.
Holographic information recording recording device the most according to claim 1, it is characterised in that also include that light beam assembles element,
Wherein this light beam gathering element is arranged in the upstream of this object to be reproduced, and object beam converges to this object to be reproduced.
Holographic information recording recording device the most according to claim 1, it is characterised in that:
This electric light regulating element is liquid crystal lens.
Holographic information recording recording device the most according to claim 1, it is characterised in that:
This record medium be photorefractive crystal, photorefractive grating, photopolymer and photochromic material one of them.
Holographic information recording recording device the most according to claim 1, it is characterised in that:
This light source is laser instrument, and this reference beam and this object beam are coherent beam.
9. a holographic information transcriber, including light source and record medium, this light source is arranged to provide reference beam, and this record medium contains the information relevant with object to be reproduced formed by object beam with this reference beam, it is characterized in that: this holographic information recording recording device also includes electric light regulating element
Wherein this record dielectric cloth is set to receive this reference beam from this light source, and this reference beam interacts with the information in this record medium to produce reconstruction beam；And
Wherein this electric light regulating element is arranged in the downstream of this record medium in the optical path, receives this reconstruction beam from this record medium emission, and regulates the exit direction of this reconstruction beam and focal length to form the holographic images of this object to be reproduced.
Holographic information transcriber the most according to claim 9, it is characterised in that also include beam spread element,
Wherein this beam spread element is arranged to receive the source beam of this light source transmitting and irradiate this record medium by after this source beam beam-expanding collimation.
11. 1 kinds of display devices, it is characterised in that include the holographic information recording recording device as described in any one in claim 1-8 and the holographic information transcriber as described in any one in claim 9-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128944.1U CN205564287U (en) | 2016-02-19 | 2016-02-19 | Holographic information recorded and reproducer, display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128944.1U CN205564287U (en) | 2016-02-19 | 2016-02-19 | Holographic information recorded and reproducer, display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564287U true CN205564287U (en) | 2016-09-07 |
Family
ID=56819230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620128944.1U Expired - Fee Related CN205564287U (en) | 2016-02-19 | 2016-02-19 | Holographic information recorded and reproducer, display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205564287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551508A (en) * | 2016-02-19 | 2016-05-04 | 京东方科技集团股份有限公司 | Holographic information record device, a reproduction device and method and display device |
-
2016
- 2016-02-19 CN CN201620128944.1U patent/CN205564287U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551508A (en) * | 2016-02-19 | 2016-05-04 | 京东方科技集团股份有限公司 | Holographic information record device, a reproduction device and method and display device |
| CN105551508B (en) * | 2016-02-19 | 2019-06-28 | 京东方科技集团股份有限公司 | Holographic information recording and transcriber and method, display equipment |
| US10401795B2 (en) | 2016-02-19 | 2019-09-03 | Boe Technology Group Co., Ltd. | Device and method for recording and reproducing holographic information, display apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6256281B1 (en) | Volume holographic memory-based optical information-recording/reproducing apparatus | |
| KR102456533B1 (en) | Apparatus for reconstruction of holograms and method thereof | |
| JPH11282331A (en) | Regenerating device for volume holographic memory light information record | |
| CN112711141B (en) | Holographic optical waveguide device for three-dimensional dynamic display and augmented reality display equipment | |
| US7859973B2 (en) | Method for recording and reproducing a hologram and apparatus therefor | |
| CN103105634B (en) | Thin flat type convergence lens | |
| CN106338905B (en) | A kind of display device and its display methods | |
| CN101539753B (en) | Optical reproduction device, optical recording/reproduction device, and optical reproduction method | |
| US20090262408A1 (en) | Optical pickup apparatus and hologram recording and reproducing system | |
| CN105551508B (en) | Holographic information recording and transcriber and method, display equipment | |
| US20090279406A1 (en) | Hologram recording and reproducing system | |
| US6862120B2 (en) | Hologram recording medium, hologram recording method and hologram recording and reproducing apparatus | |
| WO2007043451A1 (en) | Hologram recording/reproducing system | |
| CN205564287U (en) | Holographic information recorded and reproducer, display device | |
| CN211403128U (en) | Processing and copying system of holographic optical device | |
| CN103578500A (en) | Optical information recording/reproducing apparatus | |
| CN101256787B (en) | Optical head and optical recording/reproducing apparatus provided with the same | |
| JPWO2007105679A1 (en) | Hologram apparatus and optical deflection element | |
| CN101512643B (en) | Information recording device and information reproducing device | |
| CN106773588B (en) | A kind of holographic display and its control method | |
| JPWO2007000800A1 (en) | Optical information recording medium | |
| CN118519329A (en) | Optical transmission type integrated imaging 3D display device with large depth of field | |
| KR101987681B1 (en) | Method Of Recording And Reconstructing Information Using Hologram Apparatus Including Holographic Optical Element | |
| JP2010169826A (en) | Device for reproducing image data multiplexed hologram | |
| JPH0339774A (en) | Image recording reproducing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Address before: Beijing economic and Technological Development Zone 100176 Beijing Zelu 9 Patentee before: BOE Technology Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210219 |