Space Laser Communication May Open a New Era of Data Transmission for Future Space Military Applicat

The development of the information age requires the establishment of a communication network system with fast transmission rate, large amount of information and wide coverage space. Space laser communication mainly uses the laser as the carrier to load the information onto the laser and transmit it in free space such as outer space. At the receiving end, information transmission and communication can be realized through a series of photoelectric transformations. In today's increasingly crowded space satellites, they have received extensive attention and research from various space military powers.

Space laser communication system has smaller volume, lighter weight and lower power consumption, which is the power source to help it go to space. Previously, the United States has accumulated a solid technical foundation through a series of research projects such as "laser communication Demonstration System", "international orbital space station optical communication", "synchronous orbit Lightweight Technology Experiment", "Mars laser communication Demonstration System" and "transformation satellite communication system". At the same time, Europe and Japan have successively carried out inter satellite laser communication experiments. Russia has also used laser communication to transmit electronic data back to the ground receiving station, and transmitted 2.8gb of space data in one breath.

Compared with the traditional radio communication, space laser communication technology uses light wave as the information carrier and has a larger available frequency band. At the same time, laser communication greatly reduces the possibility of information interception in the communication process, and has better confidentiality and security. It also effectively avoids the dilemma of lack of global radio spectrum resources, or will open a new era of data transmission for space military applications in the future.

At the same time, space laser communication will also have great prospects in the civil field. Several commercial companies in the United States have invested heavily in the research and construction of space laser communication network, which will further promote the practical process of space laser communication.

In the future, space laser communication is expected to become the key technology of data transmission between satellites and earth, and complement the ground optical fiber network, so as to establish a three-dimensional cross laser communication network including satellites and inside and outside the atmosphere, completely subvert the existing global communication system, and become a large bandwidth and high-speed communication network to meet the information transmission needs of the Internet of things era.

Space Laser Communication May Open a New Era of Data Transmission for Future Space Military Applicat 1

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