From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 3822/CH9/EX9.1/Ex9_1.sce | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 3822/CH9/EX9.1/Ex9_1.sce (limited to '3822/CH9/EX9.1/Ex9_1.sce') diff --git a/3822/CH9/EX9.1/Ex9_1.sce b/3822/CH9/EX9.1/Ex9_1.sce new file mode 100644 index 000000000..ae12fa6a8 --- /dev/null +++ b/3822/CH9/EX9.1/Ex9_1.sce @@ -0,0 +1,19 @@ + +//OptoElectronics and Fibre Optics Communication, by C.K Sarkar and B.C Sarkar +//Example 91 +//OS=Windows 10 +////Scilab version Scilab 6.0.0-beta-2(64 bit) +clc; +clear; + +//given +L1=2;//length of fiber in m +L2=0.002;//length of fiber cutback in Km for testing +VF=2.1;//output voltage of photodetector in volts at lambda = 0.85um +lamda=0.85e-6//wavelength in m +VN=10.5;//output voltage for 2m cutback fiber length at wavelength 0.85um in volts + +a=10/(L1-L2); +b=log10(VN/VF); +alphadB=a*b;//attenuation per Kilometer in dB/km at wavelength 0.85um +mprintf("The attenuation per Kilometer at wavelength 0.85um is=%.2f dB/Km",alphadB); -- cgit