Dual-mode underwater wireless optical communication method
A wireless optical communication and two-party technology, applied in the field of dual-mode underwater wireless optical communication, can solve the problems of low modulation rate and difficult alignment
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[0013] Embodiments of the present invention are described in detail below, and the embodiments are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0014] Such as figure 1 As shown, Party A and Party B use blue-green light for underwater wireless communication. Party A installs an LD high-speed receiver in the center of the lens of the wireless optical communication device, and arranges LED arrays evenly around the periphery; Party B installs a four-quadrant photodetector in the center of the lens of the wireless optical communication device. An LD light source is installed near the detector. Party A’s communication light source uses LED (light emitting diode), and Party B’s communication light source uses LD (laser diode). After the communication starts, Party A uses the modulated LED to irradiate Party B. Since the beam divergence angle of the LED is very large, it is easy to irradiate the lens of Part...
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