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Impact of Free Space path (FSPL) loss suffered by FSO System under different transmission distance at different wavelengths

Author(s):

SALWINDER SINGH , GURU NANAK DEV UNIVERSITY AMRITSAR; GOBINDER SINGH, GURU NANAK DEV UNIVERSITY AMRITSAR; KIRAN BALA, GURU NANAK DEV UNIVERSITY RC GURDASPUR

Keywords:

FSO, FSPL, Wavelength

Abstract

In this paper impact of free space path loss (FSPL) on FSO channel has been investigated under different wavelengths (780nm, 800nm, 850nm, 1500nm, 1550nm & 1590nm) by varying transmission distance from 1km to 40km and 1m to 8800m. Since FSO systems operate between two wavelength ranges such as 750-850nm and 1500-1600nm. Results show that as transmission distance increases, FSPL also increases but when wavelength increases the value of the FSPL decreases. Further results show that maximum FSPL is observed at 750nm for both case clear weather (40Km) and haze weather (8800m) and minimum FSPL is observed at 1590nm for a transmission distance of 1m. So 1500 to 1590nm wavelength range is preferred for FSO communication systems. Thus Free space path loss has a very significant impact on FSO communication.

Other Details

Paper ID: IJSRDV4I30847
Published in: Volume : 4, Issue : 3
Publication Date: 01/06/2016
Page(s): 1475-1477

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