Abstract
Optic communications are increasingly used in many areas, including traffic and maritime nowadays. There is a lack of researches about environmental parameters impact to the operation of fibers in traffic systems, i.e. ships, cars, aircraft or port logistics. This paper investigates environmental influence on three-layer fiber optic system. The two-layer optic system is also analyzed for the comparison purposes. Several environmental factors were simulated, including temperature, pressure, and humidity for all three IR windows. In the three layer optic system, the environmental influence is brought through the air’s refractivity index. The final goal is to determine if the change of the environmental factor(s) can change or lose some of the modes used for communication in some specific application.
Highlights
The navy’s interest in secure communications was responsible for optical communication implementation aboard vessels.The marine environment is of special interest, due to a huge traffic and trade made over oceans and seas (Review of Maritime Transport 2013, 2013)
Our results show that 6.968 % change in the refractive index, neff is changed for 6 %
It is evident that the environmental influences contribute to the variations in the refractive index
Summary
The marine environment is of special interest, due to a huge traffic and trade made over oceans and seas (Review of Maritime Transport 2013, 2013). Salinity is increased not just aboard ships, and in coastal areas. Category S0 refers to non-coastal areas, where NaCl deposition is less than 3 mg/m2/day. Category S1 refers to coastal areas, where NaCl deposition is between 3 and 60 mg/m2/day. Category S2 refers to the coastal environment, where NaCl deposition is between 60 and 300 mg/m2/day. Category S3 refers to coastal areas within 200 meters from the sea, where NaCl deposition is between 300 and 1500 mg/m2/day. Airborne salinity is present in so called seaspray, which consists of marine organic aerosol, salt, and other components, which are pushed from the sea to land or ships over the air (Gant and Meskhidze, 2013)
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