All-fiber laser transmitting and receiving system
阅读说明：本技术 一种全光纤式激光发射接收系统 (All-fiber laser transmitting and receiving system ) 是由 亓玉凯 于 2020-06-12 设计创作，主要内容包括：本发明适用于激光设备技术领域,提供了一种全光纤式激光发射接收系统。其中,激光发射装置包括激光器、光学透镜和准直透镜,激光器和光学透镜集成在一起,在光学透镜和准直透镜之间设置光纤传输光路；激光接收装置包括光电接收器件、信号放大电路、信号及位置处理电路,及激光接收器,其中,光电接收器件、信号放大电路、信号及位置处理电路集成在一起,所述激光接收器通过光纤连接所述光电接收器件。本发明的激光发射接收系统,改变了现有激光发射和接收装置的整体构造,使得设备整体使用、布局更加灵活,并且由于光纤的使用,改善了激光设备的环境耐受性。(The invention is suitable for the technical field of laser equipment, and provides an all-fiber laser transmitting and receiving system. The laser emitting device comprises a laser, an optical lens and a collimating lens, wherein the laser and the optical lens are integrated together, and an optical fiber transmission light path is arranged between the optical lens and the collimating lens; the laser receiving device comprises a photoelectric receiving device, a signal amplifying circuit, a signal and position processing circuit and a laser receiver, wherein the photoelectric receiving device, the signal amplifying circuit and the signal and position processing circuit are integrated together, and the laser receiver is connected with the photoelectric receiving device through an optical fiber. The laser transmitting and receiving system changes the integral structure of the existing laser transmitting and receiving device, so that the integral use and layout of the equipment are more flexible, and the environmental tolerance of the laser equipment is improved due to the use of the optical fiber.)
1. A laser transmitter includes a laser, an optical lens and a collimating lens, wherein a fiber transmission optical path is provided between the optical lens and the collimating lens, and the laser and the optical lens are integrated.
2. The laser transmitter of claim 1, comprising a plurality of fiber transmission paths, each fiber transmission path being connected to a respective collimating lens.
3. A laser receiving device comprises a photoelectric receiving device, a signal amplifying circuit and a signal and position processing circuit, and is characterized in that the photoelectric receiving device, the signal amplifying circuit and the signal and position processing circuit are integrated together;
the photoelectric receiving device also comprises a laser receiver which is connected with the photoelectric receiving device through an optical fiber.
4. A laser receiver as claimed in claim 3, wherein said laser receiver comprises a bare optical fiber, a condenser lens, a ball-nose optical fiber.
5. A laser receiver as claimed in claim 3 or 4, comprising a plurality of laser receivers, each of which is connected to the said photo-electric receiver by a respective optical fibre.
6. An all-fiber laser transmitter-receiver system, comprising the laser transmitter according to any one of claims 1 and 2 and the laser receiver according to any one of claims 3 to 5.
7. The all-fiber laser transmitter-receiver system of claim 6, wherein the system is applied in the fields of laser position recognition, laser information transmission, and laser simulation countermeasure.
Technical Field
The invention belongs to the technical field of laser equipment, and particularly relates to an all-fiber laser transmitting and receiving system.
Background
Due to the high collimation characteristic of the laser, the laser has important application in a plurality of fields such as communication, analog countermeasure, positioning and the like.
A conventional laser transmitter-receiver system is shown in fig. 1 and 2, in which a laser transmitter is shown in fig. 1 and a laser receiver is shown in fig. 2. The
For the laser emitting device, since the laser output end is integrated with the laser, the application of the laser emitting device is limited in many fields, for example, in the simulation countermeasure, the laser emitting device can only be integrally installed at the position of the muzzle, so that the weight of the muzzle becomes large, and the design of the muzzle body is limited. For the laser receiving device, the existing laser receiver is integrated singly, when the laser receiving device is used for simulating confrontation, in order to judge the specific hitting position of the hit target, a plurality of laser receiving devices need to be installed on the body of the hit target, and each laser receiving device is provided with a signal processing circuit, so that a plurality of circuit boards are arranged on the body of the hit target, the weight is large, the cost is high, the installation is inconvenient, and the flexibility is low. Moreover, due to poor environmental tolerance of the laser device, the laser emission power is greatly reduced under the high-temperature and high-humidity environment of the simulation countermeasure, and the use performance is affected.
Disclosure of Invention
The invention aims to provide an all-fiber laser transmitting and receiving system with high environmental tolerance and high use freedom.
The invention is realized by the following steps:
a laser emitting device includes a laser, an optical lens, and a collimating lens, a fiber transmission optical path is provided between the optical lens and the collimating lens, and the laser and the optical lens are integrated together.
Furthermore, the laser emitting device comprises a plurality of optical fiber transmission optical paths, and each optical fiber transmission optical path is connected with a collimating lens.
A laser receiving device comprises a photoelectric receiving device, a signal amplifying circuit, a signal and position processing circuit and a laser receiver, wherein the photoelectric receiving device, the signal amplifying circuit and the signal and position processing circuit are integrated together; the laser receiver is connected with the photoelectric receiving device through an optical fiber.
Further, the laser receiver comprises a bare optical fiber, a condenser lens and a spherical head optical fiber.
Further, the laser receiving device comprises a plurality of laser receivers, and each laser receiver is connected with the photoelectric receiving device through an optical fiber.
The invention also provides an all-fiber laser transmitting and receiving system, which comprises the laser transmitting device and the laser receiving device.
Further, the system is applied to the fields of laser position identification, laser information transmission and laser simulation countermeasure.
The all-fiber laser transmitting and receiving system has the following advantages:
1. according to the laser emitting device provided by the invention, the laser and the laser emitting end are separated, and the laser emitting end are connected by adopting the optical fiber, so that when the laser emitting device is used, the adjustment of the laser emitting angle in multiple angles and multiple directions can be realized only by adjusting the position and the angle of the laser emitting end;
2. according to the laser emitting device, the laser and the laser emitting end are separated, so that the laser emitting end is only required to be arranged at a required position during installation, the lasers can be arranged at any other convenient position, and the flexibility is higher during use; and the laser can be separated and placed in a better environment, so that the environmental tolerance of the whole device is improved.
3. According to the laser receiving device, the plurality of laser receivers receive laser and transmit the laser to the photoelectric receiver at the rear end through the optical fiber, and signal processing is performed uniformly, so that the problem that a signal processing circuit needs to be arranged at each single laser receiving end in the conventional laser receiving device is solved, the layout difficulty of the circuit is greatly simplified, and the weight of the laser receiving device is integrally reduced.
4. The all-fiber laser transmitting and receiving system adopts the optical fiber as the transmission medium of the laser signal, and the electromagnetic compatibility of the optical fiber is excellent, so that the electromagnetic compatibility problem of the traditional photoelectric detection is solved, and the signal anti-interference capability is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention or in the description of the prior art will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art laser emitting device;
FIG. 2 is a schematic diagram of a prior art laser receiver;
fig. 3 is a schematic diagram of a laser emitting device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a laser receiving apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.