1 October 1974 Tactical Optical Communications Set
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Optical Engineering, 13(5), 135401 (1974). doi:10.1117/12.7971739
The replacement of currently employed 26-pair and 27-pair cables within tactical communications Command Posts and data processing facilities has long been a goal of Army communications personnel. The use of optical atmospheric and fiber optic links offers advantages in cost, mobility, size, and security over current cable systems. The AN/TVC-4 is an advanced development model of a tactical optical communications set. It utilizes a GaAs laser diode source and an avalanche photodiode detector to provide full duplex data and voice transmission. Maximum data rate is 200 kilobits/sec with a close-confinement, single heterostructure laser diode and 5 megabits/sec with a Large Optical Cavity (LOC) laser diode. The system is designed to maintain a 10-6 probability of error (Pe) at a 3-km range under conditions of 10 dB/km atmospheric attenuation. The complete transceiver, less battery pack, is housed in a rugged 7 X 7 X 7.5 in. package which has undergone temperature, shock, vibration and humidity qualification testing. System design, component selection and performance analysis are described in detail and the results of field tests are presented.
Larry Dworkin, Louis Coryell, Warren A. Birge, Richard J. Wangler, "Tactical Optical Communications Set," Optical Engineering 13(5), 135401 (1 October 1974). https://doi.org/10.1117/12.7971739

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