CN114363594A - Multi-spatial light modulator control system and control method thereof - Google Patents
Multi-spatial light modulator control system and control method thereof Download PDFInfo
- Publication number
- CN114363594A CN114363594A CN202111647776.9A CN202111647776A CN114363594A CN 114363594 A CN114363594 A CN 114363594A CN 202111647776 A CN202111647776 A CN 202111647776A CN 114363594 A CN114363594 A CN 114363594A
- Authority
- CN
- China
- Prior art keywords
- spatial light
- light modulator
- original data
- gate array
- field programmable
- 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.)
- Pending
Links
Images
Landscapes
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The application discloses a multi-spatial light modulator control system and a control method thereof, and relates to the technical field of electronics. The system comprises a field programmable logic gate array, a memory, a plurality of spatial light modulator driving modules and a plurality of spatial light modulators, wherein the plurality of spatial light modulator driving modules are connected with the plurality of spatial light modulators in a one-to-one correspondence manner, the field programmable logic gate array is respectively connected with the memory, the spatial light modulator driving modules and a data source, the memory is used for storing multiple paths of original data, and the field programmable logic gate array is used for sending at least one path of the multiple paths of original data to one or more spatial light modulator driving modules so that the spatial light modulator connected with the spatial light modulator driving module receiving the original data can display the received original data according to a display strategy indicated by an external trigger signal. The multi-spatial light modulator control system and the control method thereof can realize flexible control of the spatial light modulator.
Description
Technical Field
The present disclosure relates to the field of electronic technologies, and in particular, to a multi-spatial light modulator control system and a control method thereof.
Background
Spatial Light Modulator (SLM) is widely used in various fields such as scientific research and industry as a Light wave Spatial parameter modulation device. At present, most of spatial light modulators appearing on the market are applied to projection video splicing, for example, a patent with application number CN201410271750.2 provides a projection control system, which has a main function of providing one path of video data, and dividing the video data into several paths to be sent to different spatial light modulators for display, thereby achieving the function of projection display splicing.
However, in actual scientific research work, according to different actual requirements, the spatial light modulator is often required to be controlled to display according to different display strategies, and the application of the spatial light modulator in the prior art is often difficult to meet the requirements of the actual scientific research work.
Therefore, it is an urgent problem in the prior art to provide an effective solution for realizing flexible control of the spatial light modulator to meet the requirement of scientific research.
Disclosure of Invention
The invention aims to provide a multi-spatial light modulator control system and a control method thereof, and aims to solve the problem that the application of a spatial light modulator in the prior art is often difficult to meet the requirements of actual scientific research work.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present application provides a multi-spatial light modulator control system, including: a field programmable gate array, a memory, a plurality of spatial light modulator driver modules and a plurality of spatial light modulators, the plurality of spatial light modulator driving modules are connected with the plurality of spatial light modulators in a one-to-one correspondence manner in the same number, the field programmable gate array is respectively connected with the memory, the plurality of spatial light modulator driving modules and a data source, the memory is used for storing multiple paths of original data provided by a data source, the field programmable gate array is used for sending at least one path of the multiple paths of original data to one or more of the multiple spatial light modulator driving modules according to a received external trigger signal, the spatial light modulator connected with the spatial light modulator driving module receiving the original data displays the received original data according to the display strategy indicated by the external trigger signal;
wherein the original data is video data or image data.
In one possible design, the multiple spatial light modulator control system further includes the data source.
In one possible design, the data source is a computer, a high-speed data acquisition and processing board card, or a high-speed data storage.
In one possible design, the field programmable gate array is connected to the data source via a PCIE bus.
In one possible design, the field programmable gate array is connected to an external device, the external device is configured to send the external trigger signal to the field programmable gate array, and the field programmable gate array is further configured to send a trigger output signal to the external device, so that the external device executes an operation corresponding to the trigger output signal.
In one possible design, the memory is a memory or a high speed memory card.
In one possible design, the spatial light modulator employs an LCOS chip, a DMD chip, or a MEMS chip.
In a second aspect, an embodiment of the present application provides a control method for a multiple spatial light modulator control system, which is applied to any one of the multiple spatial light modulator control systems described above, and includes:
the memory stores the multiple paths of original data provided by the data source;
the field programmable gate array sends at least one path of the multi-path original data to one or more of the plurality of spatial light modulator driving modules according to a received external trigger signal;
and the spatial light modulator connected with the spatial light modulator driving module which receives the original data displays the received original data according to the display strategy indicated by the external trigger signal.
The embodiment of the application adopts at least one technical scheme which can achieve the following beneficial effects:
the multi-spatial light modulator control system and the control method thereof provided by the embodiment of the application can send at least one path of multi-path original data stored in the memory to one or more of the plurality of spatial light modulator driving modules according to the external trigger signal, and the spatial light modulator connected with the spatial light modulator driving module receiving the original data displays the received data according to the display strategy indicated by the external trigger signal, so that the flexible control of the spatial light modulator can be realized, and the scientific research work requirement can be met.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a control system of multiple spatial light modulators according to a first embodiment of the present application;
fig. 2 is a schematic structural diagram of a control system of multiple spatial light modulators according to a second embodiment of the present application;
fig. 3 is a flowchart of a control method of a multi-spatial light modulator control system according to a third embodiment of the present application.
Icon: 100-field programmable gate array; 200-a memory; 300-a spatial light modulator driving module; 400-a spatial light modulator; 500-a data source; 600-external device.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.
It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.
First embodiment
Referring to fig. 1, the present application provides a multi-spatial light modulator control system, which includes a field programmable gate array 100, a memory 200, a plurality of spatial light modulator driver modules 300, a plurality of spatial light modulators 400, and a data source 500.
The plurality of spatial light modulator driving modules 300 and the plurality of spatial light modulators 400 are the same in number and are connected in a one-to-one correspondence manner, and the field programmable gate array 100 is respectively connected with the memory 200, the plurality of spatial light modulator driving modules 300 and the data source 500. The memory 200 is configured to store multiple paths of original data provided by the data source 500, and the field programmable gate array 100 is configured to send at least one path of the multiple paths of original data to one or more of the plurality of spatial light modulator driver modules 300 according to a received external trigger signal, so that the spatial light modulator 400 connected to the spatial light modulator driver module 300 that receives the original data displays the received original data according to a display policy indicated by the external trigger signal.
The data source 500 is used to provide multiple paths of raw data, and may be, but not limited to, a computer, a high-speed data acquisition and processing board, or a high-speed data storage, which is not specifically limited in this embodiment of the present invention.
The raw data may be video data or image data that is specially processed according to a spatial distribution function of a light wave parameter to be implemented, the light wave parameter may be at least one of amplitude, phase, and polarization direction of light.
In the embodiment of the present application, the field programmable gate array 100 and the data source 500 may be connected by, but not limited to, a PCIE bus, a network cable, or an optical fiber.
The memory 200 is connected to the field programmable gate array 100 and is used for storing multiple paths of original data provided by the data source 500, and the memory 200 may be, but is not limited to, a memory or a high-speed memory card.
The field programmable gate array 100 is connected to the memory 200, the plurality of spatial light modulator driver modules 300, and the data source 500, respectively, and the field programmable gate array 100 has the following functions: receiving multiple paths of original data provided by a data source 500; storing the received multiple paths of original data into a memory 200; the data stored in the memory 200 is transmitted to the spatial light modulator driving module 300.
In this embodiment, the field programmable gate array 100 is further connected to an external device, the external device is configured to send the external trigger signal to the field programmable gate array 100, and the field programmable gate array 100 is further configured to send at least one path of the multiple paths of original data to one or more of the plurality of spatial light modulator driving modules 300 according to the received external trigger signal, so that the spatial light modulator 400 connected to the spatial light modulator driving module 300 that receives the original data displays the received original data according to the display policy indicated by the external trigger signal. The display policy indicated by the external trigger signal may be to control switching of display contents, control one or more of the spatial light modulators 400 to simultaneously display the same content, control one or more of the spatial light modulators 400 to respectively display different contents, control one or more of the spatial light modulators 400 to display contents at a specified display speed, control one or more of the spatial light modulators 400 to display contents at a specified time interval, and the like, which is not specifically limited in this embodiment of the application and may be specifically set according to an actual situation.
In this embodiment, the fpga 100 may be further configured to send a trigger output signal to an external device, so that the external device performs an operation corresponding to the trigger output signal. The external device may be, but is not limited to, a computer for display, a camera for photographing, and the like. The operation performed by the external device may be, but is not limited to, switching display content, capturing video or images, and the like. For example, in one embodiment, when the spatial light modulator 400 is controlled to switch the display content, a trigger output signal may be sent to the external device to inform the external device so that the external device switches the display content synchronously.
It is understood that the above is merely exemplary, and in other embodiments, the operation performed by the external device corresponding to the trigger output signal may have other forms.
The spatial light modulator driving module 300 is used to drive the spatial light modulator 400 connected thereto for displaying. In the embodiment of the present application, the spatial light modulator driving module 300 may be onboard, or may be an external existing driving module connected by a cable.
The spatial light modulator 400 is configured to display the received raw data according to a display policy indicated by the external trigger signal, and may adopt an LCOS chip, a DMD chip, or an MEMS chip, which is not specifically limited in this embodiment of the application.
When the multi-spatial light modulator control system is used, the data source 500 provides multiple paths of original data, the field programmable gate array 100 receives the multiple paths of original data provided by the data source 500 and stores the received multiple paths of original data in the memory 200, meanwhile, the field programmable gate array 100 receives an external trigger signal sent by an external device and sends at least one path of the multiple paths of original data to one or more of the multiple spatial light modulator driving modules 300 according to the received external trigger signal, the spatial light modulator 400 connected with the spatial light modulator driving module 300 which receives the original data displays the received original data according to a display strategy indicated by the external trigger signal, and the display strategy indicated by the external trigger signal can be control to switch display contents, control one or more of the spatial light modulators 400 to simultaneously display the same contents, control to display the same contents, and control to display the same contents on the same display strategy, Control one or more of the spatial light modulators 400 to display different content, control one or more of the spatial light modulators 400 to display content at a specified display speed, control one or more of the spatial light modulators 400 to display content at specified time intervals, and the like.
To sum up, the multi-spatial light modulator control system provided in the embodiment of the present application can send at least one of the multiple paths of original data stored in the memory to one or more of the multiple spatial light modulator driving modules according to the external trigger signal, and the spatial light modulator connected to the spatial light modulator driving module that receives the original data displays the received data according to the display policy indicated by the external trigger signal, so that flexible control of the spatial light modulator can be achieved, and scientific research requirements can be met.
Second embodiment
Referring to fig. 2, the embodiment of the present application further provides another multi-spatial light modulator control system, which includes a field programmable gate array 100, a memory 200, a plurality of spatial light modulator driving modules 300, a plurality of spatial light modulators 400, a data source 500, and an external device 600.
The plurality of spatial light modulator driving modules 300 and the plurality of spatial light modulators 400 are the same in number and are connected in a one-to-one correspondence manner, and the field programmable gate array 100 is respectively connected with the memory 200, the plurality of spatial light modulator driving modules 300, the data source 500 and the external device 600. The memory 200 is configured to store multiple paths of raw data provided by the data source 500, and the field programmable gate array 100 is configured to send at least one path of the multiple paths of raw data to one or more of the plurality of spatial light modulator driving modules 300 according to an external trigger signal received from the external device 600, so that the spatial light modulator 400 connected to the spatial light modulator driving module 300 that receives the raw data displays the received raw data according to a display policy indicated by the external trigger signal.
To sum up, the multi-spatial light modulator control system provided in the embodiment of the present application can send at least one of the multiple paths of original data stored in the memory to one or more of the multiple spatial light modulator driving modules according to the external trigger signal, and the spatial light modulator connected to the spatial light modulator driving module that receives the original data displays the received data according to the display policy indicated by the external trigger signal, so that flexible control of the spatial light modulator can be achieved, and scientific research requirements can be met.
Third embodiment
Referring to fig. 3, an embodiment of the present application provides a method for controlling a multi-spatial light modulator control system, where the method is applied to the multi-spatial light modulator control system shown in fig. 1, and the method for controlling the multi-spatial light modulator control system may include the following steps:
in step S301, the memory stores multiple paths of original data provided by the data source.
Step S302, the field programmable gate array sends at least one path of the multi-path original data to one or more of the plurality of spatial light modulator driving modules according to the received external trigger signal.
Step S303, the spatial light modulator connected to the spatial light modulator driving module that receives the raw data displays the received raw data according to the display policy indicated by the external trigger signal.
The working process, working details and technical effects of the method provided by this embodiment may refer to the first embodiment, and are not described herein again.
To sum up, the control method for a multi-spatial light modulator control system provided in the embodiment of the present application can send at least one path of the multiple paths of original data stored in the memory to one or more of the multiple spatial light modulator driving modules according to the external trigger signal, and the spatial light modulator connected to the spatial light modulator driving module that receives the original data displays the received data according to the display policy indicated by the external trigger signal, so that flexible control of the spatial light modulator can be achieved, and scientific research requirements can be met.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A multi-spatial light modulator control system, comprising: a field programmable gate array, a memory, a plurality of spatial light modulator driver modules and a plurality of spatial light modulators, the plurality of spatial light modulator driving modules are connected with the plurality of spatial light modulators in a one-to-one correspondence manner in the same number, the field programmable gate array is respectively connected with the memory, the plurality of spatial light modulator driving modules and a data source, the memory is used for storing multiple paths of original data provided by a data source, the field programmable gate array is used for sending at least one path of the multiple paths of original data to one or more of the multiple spatial light modulator driving modules according to a received external trigger signal, the spatial light modulator connected with the spatial light modulator driving module receiving the original data displays the received original data according to the display strategy indicated by the external trigger signal;
wherein the original data is video data or image data.
2. The multi-spatial-light-modulator control system of claim 1, further comprising the data source.
3. The multi-slm control system according to claim 2, characterized in that the data source is a computer, a high speed data acquisition processing board or a high speed data memory.
4. The multi-slm control system according to claim 2, characterized in that the field programmable gate array and the data source are connected by a PCIE bus.
5. The system according to claim 1, wherein an external device is connected to the field programmable gate array, the external device is configured to send the external trigger signal to the field programmable gate array, and the field programmable gate array is further configured to send a trigger output signal to the external device, so that the external device performs an operation corresponding to the trigger output signal.
6. The multi-spatial-light-modulator control system of claim 1, wherein the memory is a memory or a high-speed memory card.
7. The multiple spatial light modulator control system of claim 1, wherein the spatial light modulator is an LCOS chip, a DMD chip, or a MEMS chip.
8. A control method of a multi-spatial light modulator control system applied to the multi-spatial light modulator control system according to any one of claims 1 to 7, comprising:
the memory stores the multiple paths of original data provided by the data source;
the field programmable gate array sends at least one path of the multi-path original data to one or more of the plurality of spatial light modulator driving modules according to a received external trigger signal;
and the spatial light modulator connected with the spatial light modulator driving module which receives the original data displays the received original data according to the display strategy indicated by the external trigger signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111647776.9A CN114363594A (en) | 2021-12-29 | 2021-12-29 | Multi-spatial light modulator control system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111647776.9A CN114363594A (en) | 2021-12-29 | 2021-12-29 | Multi-spatial light modulator control system and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114363594A true CN114363594A (en) | 2022-04-15 |
Family
ID=81102716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111647776.9A Pending CN114363594A (en) | 2021-12-29 | 2021-12-29 | Multi-spatial light modulator control system and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114363594A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117220775A (en) * | 2023-11-07 | 2023-12-12 | 长春理工大学 | Multipath laser communication device, system, method and electronic equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102089705A (en) * | 2008-01-28 | 2011-06-08 | 杜比实验室特许公司 | Display with two binary spatial light modulators |
| CN105096779A (en) * | 2014-05-06 | 2015-11-25 | 深圳市绎立锐光科技开发有限公司 | Projection display synchronous control system |
| CN105227941A (en) * | 2014-06-18 | 2016-01-06 | 深圳市绎立锐光科技开发有限公司 | A kind of projection control system |
| US20160223986A1 (en) * | 2013-09-04 | 2016-08-04 | Essilor International (Compagnie Generale D'optique) | Methods And Systems For Augmented Reality |
| CN111007730A (en) * | 2019-10-22 | 2020-04-14 | 上海瑞立柯信息技术有限公司 | Spatial light modulator control system and control method thereof |
| US10665182B1 (en) * | 2016-10-12 | 2020-05-26 | Silicon Light Machines Corporation | Efficient data transmission in analog spatial light modulators |
| CN112671461A (en) * | 2020-11-27 | 2021-04-16 | 斐思光电科技武汉有限公司 | Spatial light modulator cluster control method and system |
| CN113325657A (en) * | 2021-08-03 | 2021-08-31 | 杭州中科极光科技有限公司 | Projection system, projection display method and terminal equipment |
| US20210373332A1 (en) * | 2020-06-02 | 2021-12-02 | Dualitas Ltd | Display Device and System |
-
2021
- 2021-12-29 CN CN202111647776.9A patent/CN114363594A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102089705A (en) * | 2008-01-28 | 2011-06-08 | 杜比实验室特许公司 | Display with two binary spatial light modulators |
| US20160223986A1 (en) * | 2013-09-04 | 2016-08-04 | Essilor International (Compagnie Generale D'optique) | Methods And Systems For Augmented Reality |
| CN105096779A (en) * | 2014-05-06 | 2015-11-25 | 深圳市绎立锐光科技开发有限公司 | Projection display synchronous control system |
| CN105227941A (en) * | 2014-06-18 | 2016-01-06 | 深圳市绎立锐光科技开发有限公司 | A kind of projection control system |
| US10665182B1 (en) * | 2016-10-12 | 2020-05-26 | Silicon Light Machines Corporation | Efficient data transmission in analog spatial light modulators |
| CN111007730A (en) * | 2019-10-22 | 2020-04-14 | 上海瑞立柯信息技术有限公司 | Spatial light modulator control system and control method thereof |
| US20210373332A1 (en) * | 2020-06-02 | 2021-12-02 | Dualitas Ltd | Display Device and System |
| CN112671461A (en) * | 2020-11-27 | 2021-04-16 | 斐思光电科技武汉有限公司 | Spatial light modulator cluster control method and system |
| CN113325657A (en) * | 2021-08-03 | 2021-08-31 | 杭州中科极光科技有限公司 | Projection system, projection display method and terminal equipment |
Non-Patent Citations (1)
| Title |
|---|
| 何志毅;黄裕;张雨益;何宁;: "空间光调制器扫描接收的距离选通成像激光雷达", 光学学报, no. 12, pages 7 - 13 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117220775A (en) * | 2023-11-07 | 2023-12-12 | 长春理工大学 | Multipath laser communication device, system, method and electronic equipment |
| CN117220775B (en) * | 2023-11-07 | 2024-02-02 | 长春理工大学 | Multipath laser communication device, system, method and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105607782A (en) | Display method and display equipment | |
| CN114363594A (en) | Multi-spatial light modulator control system and control method thereof | |
| US6844879B2 (en) | Drawing apparatus | |
| CN107505824B (en) | Optical modulation method and device and holographic display equipment | |
| CN105573024A (en) | 4K projector | |
| CN109300442A (en) | Display system and its electronic equipment | |
| DE102011117557A1 (en) | Device for sharing media | |
| CN113852795A (en) | Video picture adjusting method and device, electronic equipment and storage medium | |
| CN108898985B (en) | Master-slave optical fiber video playing system | |
| CN106557148B (en) | A kind of interface circuit, display driver, terminal device and display control method | |
| CN114267293A (en) | Display device and display method thereof | |
| US10634850B2 (en) | Large-capacity optical fiber switch device and the program-controlled exchange method | |
| CN111083394B (en) | High-efficiency video splicing device and method | |
| KR20010074966A (en) | Digital video-processing unit | |
| CN111277792A (en) | Small boat control system and method based on mobile terminal | |
| CN214067497U (en) | Projection optical system and head-up display device of automobile | |
| GB2612388A (en) | Optical link system for head mounted display and method of controlling the same | |
| CN111625154B (en) | Application display method and device | |
| CN108566522A (en) | A kind of multi-channel video director system and method | |
| CN105096779A (en) | Projection display synchronous control system | |
| CN113205764B (en) | Control method, photoelectric conversion equipment, display control system and LED display system | |
| CN202334787U (en) | Three-dimensional liquid crystal glasses | |
| CN105898989A (en) | Function expanding PCB device, module board and method | |
| CN103365808A (en) | USB (universal serial bus) equipment sharing method and system | |
| CN1316164A (en) | Digital video-processing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |