Preprint Article Version 1 This version is not peer-reviewed

Underwater Optical Path Loss after Passage of Tropical Storm

Version 1 : Received: 4 June 2020 / Approved: 7 June 2020 / Online: 7 June 2020 (10:01:08 CEST)

A peer-reviewed article of this Preprint also exists.

Chu, P.C.; Fan, C. Underwater Optical Path Loss after Passage of a Tropical Storm. Appl. Sci. 2020, 10, 4777. Chu, P.C.; Fan, C. Underwater Optical Path Loss after Passage of a Tropical Storm. Appl. Sci. 2020, 10, 4777.

Journal reference: Appl. Sci. 2020, 10, 4777
DOI: 10.3390/app10144777

Abstract

Underwater wireless optical communications (UWOC) have attracted considerable attention in recent years as an alternative means for acoustic communication. However, optical path loss of light propagation from attenuation is large due to absorption and scattering in various water conditions. Identification of environmental effects especially tropical storms on underwater optical path loss is the key to the success of using optics for UWOC. Underwater inherent optical properties (IOPs) such as the beam attenuation coefficient for 470 nm light in the western North Pacific Ocean were measured from the U.S. Naval Oceanographic Office sea gliders with being deployed after Super Typhoon Guchol (7-20 June 2012)‘s passage during 25-30 June 2012 and no any typhoon passage during 9 January – 28 February 2014. The observed two sets (with and without super typhoon) of IOPs are taken as input into a recently developed Radiative Transfer Equation solver. The simulated normalized received powers for the two durations show large impact of typhoon passage on UWOC.

Subject Areas

underwater wireless optical communication (UWOC); radiative transfer equation solver; optical path loss; tropical cyclone

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