Space Laser Communication Transmitter System Based on Passive Optical Switch
A forwarding system and laser communication technology, applied in the field of space optical communication, can solve the problems of long networking period, high cost and speed up, and achieve the effect of solving the rate bottleneck, reducing load and power consumption requirements.
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[0027] see figure 1 As shown, the present invention provides a passive optical switch based space laser communication forwarding system, the system includes:
[0028] An optical transmitter 1, used to provide signal light to be transmitted, the optical signal can be a digital signal or an analog signal, a high-speed signal or a low-speed signal, a coherent optical signal or an incoherent optical signal Optical signal; the communication wavelength of the light source used by the optical transmitter is selected within the range of the atmospheric window, and the modulator used can be an intensity modulator or a phase modulator;
[0029] An alignment system 2, which consists of a positioning module, an acquisition, tracking and targeting (ATP) system, and an optical antenna: the positioning module is used for positioning the ground station, in order to facilitate the coarse alignment of the self-use space optical link, which can be based on GPS The positioning module can also be...
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