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Estimation of the range for free space optical links between mobile terminals

Ozek F.

Journal of Technical Physics

2000

Vol. 41, no 4

429-436

The motivation being the modern trend towards mobile communication, the maximum estimated ranges of communication have been numerically evaluated for free space optical links between mobile on-sea terminals, for different bit rates and atmospheric conditions. An analysis of possible sources of noise, by day and night, is given. The advantages of a wide angle elliptic beam of medium power diodes at the transmitter and a four-quadrant detector at the receiver are emphasized. The effect of the size and position of the laser spot formed on the detector is pointed out.