CN216625742U - Optical imaging and laser communication integrated system - Google Patents
Optical imaging and laser communication integrated system Download PDFInfo
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- CN216625742U CN216625742U CN202220273522.9U CN202220273522U CN216625742U CN 216625742 U CN216625742 U CN 216625742U CN 202220273522 U CN202220273522 U CN 202220273522U CN 216625742 U CN216625742 U CN 216625742U
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Abstract
The utility model relates to an optical imaging and laser communication integrated system, which comprises an optical antenna, a narrow-band optical filter, an optical imaging device, a fine tracking fast reflecting mirror, a spectroscope, a fine tracking device and a laser communication device, wherein the narrow-band optical filter is arranged on the optical imaging device; the narrow-band optical filter is arranged on a signal receiving and transmitting light path of the optical antenna, the optical imaging device is arranged on a reflection light path of the narrow-band optical filter, the fine tracking fast reflecting mirror is arranged on a transmission light path of the narrow-band optical filter, the spectroscope is arranged on a reflection light path of the fine tracking fast reflecting mirror, and the fine tracking device and the laser communication device are respectively arranged on two light splitting light paths of the spectroscope. The laser communication and optical imaging are integrally designed, and visual detection and data communication can be simultaneously carried out on own target; the optical imaging and the laser communication work in different optical wave bands respectively and are not interfered with each other.
Description
Technical Field
The utility model relates to the field of communication, in particular to an optical imaging and laser communication integrated system.
Background
With the continuous development and progress of information technology, optics plays an increasingly important role in information acquisition and transmission, laser becomes an important medium for information transmission due to its unique properties, and laser communication gradually becomes the first choice for ultrahigh-rate communication. Meanwhile, optical imaging still is a good choice for directly acquiring visual information, and ultraviolet, visible light, near infrared, far infrared and other waveband imaging technologies are fully developed and utilized, so that human beings can acquire visual information from various spectral dimensions. Currently, laser communication and optical imaging are rapidly advancing in each direction, and there are few practical applications that combine the two technologies.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an optical imaging and laser communication integrated system which has the functions of optical imaging detection and laser communication.
The technical scheme for solving the technical problems is as follows: an optical imaging and laser communication integrated system comprises an optical antenna, a narrow-band optical filter, an optical imaging device, a fine tracking fast reflecting mirror, a spectroscope, a fine tracking device and a laser communication device; the narrow-band optical filter is arranged on a signal receiving and transmitting light path of the optical antenna, the optical imaging device is arranged on a reflecting light path of the narrow-band optical filter, the fine tracking fast reflecting mirror is arranged on a transmitting light path of the narrow-band optical filter, the spectroscope is arranged on a reflecting light path of the fine tracking fast reflecting mirror, and the fine tracking device and the laser communication device are respectively arranged on two light splitting light paths of the spectroscope.
The utility model has the beneficial effects that: the optical imaging and laser communication integrated system integrally designs laser communication and optical imaging, and can simultaneously carry out visual detection and data communication on a target of a self party; the optical imaging and the laser communication respectively work in different optical wave bands and are not interfered with each other, the optical imaging can carry out visual detection on the appearance, the shape, the action, the surrounding environment and the like of a target, and the laser communication provides the capability of carrying out data communication with the target of the own party.
On the basis of the technical scheme, the utility model can be further improved as follows.
Further, the two light splitting light paths are respectively a transmission light path and a reflection light path of the spectroscope; the fine tracking device is arranged on a reflection light path of the spectroscope, and the laser communication device is arranged on a transmission light path of the spectroscope; or, the fine tracking device is arranged on a transmission light path of the spectroscope, and the laser communication device is arranged on a reflection light path of the spectroscope.
Further, the laser communication device comprises a communication relay optical component and a communication electronics component; when the laser communication device is arranged on the transmission light path of the spectroscope, the communication relay optical component is arranged on the transmission light path of the spectroscope and is connected with the communication electronic component; when the laser communication device is arranged on the reflection light path of the spectroscope, the communication relay optical assembly is arranged on the reflection light path of the spectroscope and connected with the communication electronic assembly.
The beneficial effect of adopting the further scheme is that: the communication relay optical component is mainly used for processing the receiving and transmitting separation of laser signals, the communication electronic component has the receiving and transmitting functions of the laser signals, and the combination of the communication relay optical component and the communication electronic component realizes laser communication.
Furthermore, the reflection light path of the narrow-band filter is parallel to the transmission light path of the spectroscope.
Furthermore, the narrow-band optical filter is arranged at an angle of 45 degrees relative to a signal transceiving optical path of the optical antenna.
Furthermore, the transmission waveband range of the narrow-band filter is 1.53 um-1.57 um.
The beneficial effect of adopting the further scheme is that: the transmission waveband of the narrow-band filter is a laser communication waveband, the range of the transmission waveband is 1.53 um-1.57 um, and the rest wavebands are totally reflected and used for optical imaging.
Further, the optical imaging device comprises an imaging relay optical assembly and an imaging electronics assembly, wherein the imaging relay optical assembly is arranged on the reflection optical path of the narrow-band filter and connected with the imaging electronics assembly.
Further, the imaging relay optics assembly comprises a visible light imaging relay optics assembly and an infrared imaging relay optics assembly, and the imaging electronics assembly comprises a visible light imaging electronics assembly and an infrared imaging electronics assembly; the optical imaging device further comprises an imaging spectroscope; the imaging spectroscope is arranged on a reflection light path of the narrow-band optical filter, the visible light imaging relay optical assembly is arranged on the reflection light path of the imaging spectroscope and connected with the visible light imaging electronic assembly, and the infrared imaging relay optical assembly is arranged on a transmission light path of the imaging spectroscope and connected with the infrared imaging electronic assembly; the imaging spectroscope is a high-pass filter which reflects all visible light wave bands and transmits all infrared light.
The beneficial effect of adopting the further scheme is that: the optical imaging adopts a dual-waveband design, can image a target at two wavebands (a visible light waveband and an infrared light waveband) simultaneously, expands the dynamic range of the image, integrates different characteristics of the two wavebands, and performs better visual display on the target.
Further, the imaging relay optics assembly comprises a visible light imaging relay optics assembly and an infrared imaging relay optics assembly, and the imaging electronics assembly comprises a visible light imaging electronics assembly and an infrared imaging electronics assembly; the optical imaging device further comprises an imaging spectroscope; the imaging spectroscope is arranged on a reflection light path of the narrow-band optical filter, the visible light imaging relay optical assembly is arranged on a transmission light path of the imaging spectroscope and is connected with the visible light imaging electronic assembly, and the infrared imaging relay optical assembly is arranged on a reflection light path of the imaging spectroscope and is connected with the infrared imaging electronic assembly; the imaging spectroscope is specifically a low-pass filter which transmits all visible light wave bands and reflects all infrared light.
Further, the device also comprises a coarse tracking device which is arranged and installed coaxially with the optical antenna.
Drawings
FIG. 1 is a schematic diagram of an integrated optical imaging and laser communication system according to the present invention;
fig. 2 is another structural schematic diagram of an optical imaging and laser communication integrated system according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the system comprises an optical antenna, 2, a narrow-band filter, 3, an optical imaging device, 31, an imaging relay optical component, 311, a visible light imaging relay optical component, 312, an infrared imaging relay optical component, 32, an imaging electronic component, 321, a visible light imaging electronic component, 322, an infrared imaging electronic component, 33, an imaging spectroscope, 4, a fine tracking quick reflection mirror, 5, a spectroscope, 6, a fine tracking device, 7, a laser communication device, 71, a communication relay optical component, 72, a communication electronic component, 8 and a coarse tracking device.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, an optical imaging and laser communication integrated system includes an optical antenna 1, a narrowband optical filter 2, an optical imaging device 3, a fine tracking fast reflection mirror 4, a spectroscope 5, a fine tracking device 6 and a laser communication device 7; the narrow-band optical filter 2 is arranged on a signal receiving and transmitting light path of the optical antenna 1, the optical imaging device 3 is arranged on a reflection light path of the narrow-band optical filter 2, the fine tracking fast reflecting mirror 4 is arranged on a transmission light path of the narrow-band optical filter 2, the spectroscope 5 is arranged on the reflection light path of the fine tracking fast reflecting mirror 4, and the fine tracking device 6 and the laser communication device 7 are respectively arranged on two light splitting light paths of the spectroscope 5.
In this particular embodiment: the two light splitting light paths are respectively a transmission light path and a reflection light path of the spectroscope 5; the fine tracking device 6 is arranged on a reflection light path of the spectroscope 5, and the laser communication device 7 is arranged on a transmission light path of the spectroscope 5.
In other specific embodiments: the fine tracking device 6 is arranged on a transmission light path of the spectroscope 5, and the laser communication device 7 is arranged on a reflection light path of the spectroscope 5.
In this particular embodiment: the laser communication device 7 comprises a communication relay optical component 71 and a communication electronic component 72; the laser communication device 7 is arranged on the transmission light path of the spectroscope 5, and the communication relay optical assembly 71 is arranged on the transmission light path of the spectroscope 5 and connected with the communication electronic assembly 72.
In other specific embodiments: the laser communication device 7 comprises a communication relay optical component 71 and a communication electronic component 72; the laser communication device 7 is disposed on the reflected light path of the spectroscope 5, and the communication relay optical assembly 71 is disposed on the reflected light path of the spectroscope 5 and connected to the communication electronic assembly 72.
In the present invention: the communication relay optical assembly 701 is mainly used for processing the transceiving separation of laser signals, and the communication electronic assembly 702 has the receiving and transmitting functions of the laser signals.
In this particular embodiment: the reflection light path of the narrow-band filter 2 is parallel to the transmission light path of the spectroscope 5. Specifically, the narrow-band filter 2, the fine tracking fast reflecting mirror 4, the reflection light path and the spectroscope 5 are parallel to each other.
In this particular embodiment: the narrow-band filter 2 is arranged at an angle of 45 degrees relative to a signal transceiving light path of the optical antenna 1.
In this particular embodiment: the transmission waveband range of the narrow-band filter 2 is 1.53 um-1.57 um. The transmission waveband of the narrow-band filter 2 is a laser communication waveband, the range of the transmission waveband is 1.53 um-1.57 um, and the rest wavebands are totally reflected and used for optical imaging.
In this particular embodiment: the splitting ratio (ratio of reflected light to transmitted light) of the beam splitter 5 is generally 1: 9, in other embodiments, other splitting ratios can be selected according to actual requirements.
In this particular embodiment: the optical imaging device 3 comprises an imaging relay optical assembly 31 and an imaging electronics assembly 32, wherein the imaging relay optical assembly 31 is arranged on the reflected light path of the narrow-band filter 2 and is connected with the imaging electronics assembly 32. According to different components of the imaging electronic component, one of a visible light wave band, an infrared wave band (including a near infrared wave band, a middle infrared wave band and a far infrared wave band) and an ultraviolet wave band can be selected for imaging.
In this particular embodiment: the imaging relay optics assembly 31 comprises a visible light imaging relay optics assembly 311 and an infrared imaging relay optics assembly 312, and the imaging electronics assembly 32 comprises a visible light imaging electronics assembly 321 and an infrared imaging electronics assembly 322; the optical imaging device 3 further comprises an imaging beam splitter 33; the imaging spectroscope 33 is arranged on the reflected light path of the narrow-band filter 2, the visible light imaging relay optical assembly 311 is arranged on the reflected light path of the imaging spectroscope 33 and connected with the visible light imaging electronic assembly 321, and the infrared imaging relay optical assembly 312 is arranged on the transmitted light path of the imaging spectroscope 33 and connected with the infrared imaging electronic assembly 322; the imaging beam splitter 33 is a high-pass filter that reflects all visible light bands and transmits all infrared light. The visible light imaging relay optical assembly 311 and the visible light imaging electronic assembly 321 constitute a visible light imaging device, and the infrared imaging relay optical assembly 312 and the infrared imaging electronic assembly 322 constitute an infrared imaging device.
In other specific embodiments: the imaging relay optics assembly 31 comprises a visible light imaging relay optics assembly 311 and an infrared imaging relay optics assembly 312, and the imaging electronics assembly 32 comprises a visible light imaging electronics assembly 321 and an infrared imaging electronics assembly 322; the optical imaging device 3 further comprises an imaging beam splitter 33; the imaging spectroscope 33 is arranged on a reflected light path of the narrow-band filter 2, the visible light imaging relay optical assembly 311 is arranged on a transmitted light path of the imaging spectroscope 33 and connected with the visible light imaging electronic assembly 321, and the infrared imaging relay optical assembly 312 is arranged on a reflected light path of the imaging spectroscope 33 and connected with the infrared imaging electronic assembly 322; the imaging beam splitter 33 is specifically a low pass filter that transmits all visible light bands and reflects all infrared light.
In this particular embodiment: the imaging beam splitter 33 is placed at an angle of 90 degrees with respect to the narrowband filter 2.
In this particular embodiment: the optical imaging and laser communication integrated system further comprises a coarse tracking device 8, and the coarse tracking device 8 and the optical antenna 1 are coaxially arranged and installed.
In the optical imaging and laser communication integrated system, a visible light imaging device, an infrared imaging device, a laser communication device 7 and a fine tracking device 6 share an optical antenna 1, and a coarse tracking device 8 and the optical antenna 1 are coaxially arranged. The coarse tracking device 8 comprises a coarse tracking lens and a coarse tracking camera and mainly completes initial capture and alignment of a target, and the optical antenna 1 is responsible for collecting optical signals and is used for rear-end fine tracking, optical imaging and laser communication.
The working process of the optical imaging and laser communication integrated system is as follows:
the rough tracking device 8 captures beacon light emitted by a target, calculates the azimuth of the target, and helps the optical imaging and laser communication integrated system to complete the capture and initial pointing of the target. The optical antenna 1 collects the imaging and communication composite optical signal coming from the direction of the target, wherein the laser signal contained therein for communication is actively emitted by the target. The narrowband filter 2 receives the optical signal from the optical antenna 1, transmits the communication light, and reflects light in other wavelength bands. The optical imaging unit 3 receives the reflected light from the narrow-band filter 2, focuses the reflected light by the relay optical assembly 31, transmits the focused reflected light to the imaging electronic assembly 32, performs optical imaging on a target and performs visual detection; specifically, the visible light imaging device receives the reflected light from the imaging beam splitter 33, focuses the reflected light by the visible light relay optical component 311, transmits the focused reflected light to the visible light imaging electronic component 321, and performs visible light imaging on the target; the IR imaging device receives the transmitted light from the imaging beamsplitter 33, focuses it by the IR imaging relay optics 312, and passes it to IR imaging electronics 322 for IR imaging of the target. The fine tracking fast reflecting mirror 4 receives the transmitted light of the narrow band filter 2 and transmits the transmitted light to the spectroscope 5. And the fine tracking device 6 receives the reflected light part from the spectroscope 5, accurately calculates the target position, and drives the fine tracking fast reflecting mirror 4 to perform fine tracking on the target. The laser communication device 7 receives the transmitted light from the spectroscope 5, and the communication relay optical unit 71 transmits the received signal light to the signal receiving section of the communication electronic unit 72 to perform data reception processing. When data needs to be sent to a target, signal light is generated by a signal emitting part of the communication electronic component 72 and is emitted to the target through the communication relay optical component 71, the spectroscope 5, the fine tracking fast reflection mirror 4, the narrow band filter 2 and the optical antenna 1 in sequence.
The utility model carries out highly integrated design on the laser communication and optical imaging technology, so that one system has two functions of laser communication and optical imaging detection, the two functions work in specific optical wave bands respectively without mutual interference, the optical spectrum is more fully utilized, and a new technical direction is provided for a composite type photoelectric system. For specific applications such as aviation flight, space launching, deep space exploration and satellite communication, the requirements of data transmission and imaging exploration exist at the same time, so that the method has important practical significance by combining laser communication with an optical imaging technology.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An optical imaging and laser communication integrated system is characterized in that: the device comprises an optical antenna (1), a narrow-band optical filter (2), an optical imaging device (3), a fine tracking fast reflecting mirror (4), a spectroscope (5), a fine tracking device (6) and a laser communication device (7); narrowband optical filter (2) set up on the signal receiving and dispatching light path of optical antenna (1), optical imaging device (3) set up on the reflection light path of narrowband optical filter (2), accurate tracking fast-reflection mirror (4) set up on the transmission light path of narrowband optical filter (2), spectroscope (5) set up on the reflection light path of accurate tracking fast-reflection mirror (4), accurate tracking device (6) with laser communication device (7) set up respectively on two beam split light paths of spectroscope (5).
2. The integrated optical imaging and laser communication system of claim 1, wherein: the two light splitting light paths are respectively a transmission light path and a reflection light path of the spectroscope (5); the fine tracking device (6) is arranged on a reflection light path of the spectroscope (5), and the laser communication device (7) is arranged on a transmission light path of the spectroscope (5); or, the fine tracking device (6) is arranged on a transmission light path of the spectroscope (5), and the laser communication device (7) is arranged on a reflection light path of the spectroscope (5).
3. The integrated optical imaging and laser communication system of claim 2, wherein: the laser communication device (7) comprises a communication relay optical assembly (71) and a communication electronics assembly (72); when the laser communication device (7) is arranged on the transmission light path of the spectroscope (5), the communication relay optical component (71) is arranged on the transmission light path of the spectroscope (5) and is connected with the communication electronic component (72); when the laser communication device (7) is arranged on the reflected light path of the spectroscope (5), the communication relay optical component (71) is arranged on the reflected light path of the spectroscope (5) and connected with the communication electronic component (72).
4. The integrated optical imaging and laser communication system of claim 2, wherein: and the reflection light path of the narrow-band filter (2) is parallel to the transmission light path of the spectroscope (5).
5. The integrated optical imaging and laser communication system of claim 1, wherein: the narrow-band filter (2) is arranged at an angle of 45 degrees relative to a signal transceiving light path of the optical antenna (1).
6. The integrated optical imaging and laser communication system of claim 1, wherein: the transmission waveband range of the narrow-band filter (2) is 1.53 um-1.57 um.
7. An integrated optical imaging and laser communication system according to claim 1, wherein: the optical imaging device (3) comprises an imaging relay optical assembly (31) and an imaging electronics assembly (32), wherein the imaging relay optical assembly (31) is arranged on a reflection optical path of the narrow-band filter (2) and is connected with the imaging electronics assembly (32).
8. The integrated optical imaging and laser communication system of claim 7, wherein: the imaging relay optics assembly (31) comprises a visible light imaging relay optics assembly (311) and an infrared imaging relay optics assembly (312), the imaging electronics assembly (32) comprises a visible light imaging electronics assembly (321) and an infrared imaging electronics assembly (322); the optical imaging device (3) further comprises an imaging beam splitter (33); the imaging spectroscope (33) is arranged on a reflected light path of the narrowband filter (2), the visible light imaging relay optical component (311) is arranged on the reflected light path of the imaging spectroscope (33) and is connected with the visible light imaging electronic component (321), and the infrared imaging relay optical component (312) is arranged on a transmitted light path of the imaging spectroscope (33) and is connected with the infrared imaging electronic component (322); the imaging spectroscope (33) is a high-pass filter which totally reflects visible light wave bands and totally transmits infrared light.
9. The integrated optical imaging and laser communication system of claim 7, wherein: the imaging relay optics assembly (31) comprises a visible light imaging relay optics assembly (311) and an infrared imaging relay optics assembly (312), the imaging electronics assembly (32) comprises a visible light imaging electronics assembly (321) and an infrared imaging electronics assembly (322); the optical imaging device (3) further comprises an imaging beam splitter (33); the imaging spectroscope (33) is arranged on a reflected light path of the narrowband filter (2), the visible light imaging relay optical component (311) is arranged on a transmitted light path of the imaging spectroscope (33) and is connected with the visible light imaging electronic component (321), and the infrared imaging relay optical component (312) is arranged on a reflected light path of the imaging spectroscope (33) and is connected with the infrared imaging electronic component (322); the imaging spectroscope (33) is a low-pass filter which transmits all visible light wave bands and reflects all infrared light.
10. The integrated optical imaging and laser communication system according to any one of claims 1 to 9, wherein: the tracking device further comprises a coarse tracking device (8), and the coarse tracking device (8) and the optical antenna (1) are coaxially arranged and installed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220273522.9U CN216625742U (en) | 2022-02-10 | 2022-02-10 | Optical imaging and laser communication integrated system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220273522.9U CN216625742U (en) | 2022-02-10 | 2022-02-10 | Optical imaging and laser communication integrated system |
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| CN216625742U true CN216625742U (en) | 2022-05-27 |
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| CN202220273522.9U Active CN216625742U (en) | 2022-02-10 | 2022-02-10 | Optical imaging and laser communication integrated system |
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