Free space optical communication based on pulsed lasers

Tadeusz Drozd; Zygmunt Mierczyk; Marek Zygmunt; Jacek Wojtanowski

doi:10.1117/12.2262099

8 December 2016 Free space optical communication based on pulsed lasers

Tadeusz Drozd, Zygmunt Mierczyk, Marek Zygmunt, Jacek Wojtanowski

Proceedings Volume 10159, Laser Technology 2016: Progress and Applications of Lasers; 1015911 (2016) https://doi.org/10.1117/12.2262099
Event: XIth Symposium on Laser Technology, 2016, Jastarnia, Poland

Abstract

Most of the current optical data transmission systems are based on continuous wave (cw) lasers. It results from the tendency to increase data transmission speed, and from the simplicity in implementation (straightforward modulation). Pulsed lasers, which find many applications in a variety of industrial, medical and military systems, in this field are not common. Depending on the type, pulsed lasers can generate instantaneous power which is many times greater when compared with cw lasers. As such, they seem to be very attractive to be used in data transmission technology, especially due to the potentially larger ranges of transmission, or in adverse atmospheric conditions where low power cw-lasersbased transmission is no longer feasible. It is also a very practical idea to implement data transmission capability in the pulsed laser devices that have been around and already used, increasing the functionality of this type of equipment. At the Institute of Optoelectronics at Military University of Technology, a unique method of data transmission based on pulsed laser radiation has been developed. This method is discussed in the paper in terms of both data transmission speed and transmission range. Additionally, in order to verify the theoretical assumptions, modules for voice and data transmission were developed and practically tested which is also reported, including the measurements of Bit Error Rate (BER) and performance vs. range analysis.

Citation Download Citation

Tadeusz Drozd, Zygmunt Mierczyk, Marek Zygmunt, and Jacek Wojtanowski "Free space optical communication based on pulsed lasers", Proc. SPIE 10159, Laser Technology 2016: Progress and Applications of Lasers, 1015911 (8 December 2016); https://doi.org/10.1117/12.2262099

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KEYWORDS

Data transmission

Pulsed laser operation

Signal to noise ratio

Laser applications

Transmitters

Continuous wave operation

Receivers

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