From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 1655/CH7/EX7.5.5/Example_7_5_5.sce | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100755 1655/CH7/EX7.5.5/Example_7_5_5.sce (limited to '1655/CH7/EX7.5.5/Example_7_5_5.sce') diff --git a/1655/CH7/EX7.5.5/Example_7_5_5.sce b/1655/CH7/EX7.5.5/Example_7_5_5.sce new file mode 100755 index 000000000..458cd4ba8 --- /dev/null +++ b/1655/CH7/EX7.5.5/Example_7_5_5.sce @@ -0,0 +1,22 @@ + +// Example 7.5.5 page 7.25 + +clc; +clear; + +h=6.626d-34; //plank's constant +c=3d8; //speed of light +eta=70/100; //quantum efficiency +I=3d-6; //photocurrent +E=1.8d-19; //energy of photns +q=1.6d-19; //charge of electron + +lamda=h*c/E; //computing wavelength +R=eta*q*lamda/(h*c); //computing responsivity +Popt=I/R; //computing optical power +lamda=lamda*10^6; +Popt=Popt*10^6; + +printf("\nWavelength is %.2f micrometer.\nResponsivity is %.3f A/W.\nIncident optical power required is %.3f microWatt.",lamda,R,Popt); + +//answer of Popt in the book is calculated as 4.823, deviation of 0.002 -- cgit