1 files changed, 21 insertions, 0 deletions
diff --git a/3740/CH2/EX2.4/Ex2_4.sce b/3740/CH2/EX2.4/Ex2_4.sce
new file mode 100644
index 000000000..0d0cd0436
--- /dev/null
+++ b/3740/CH2/EX2.4/Ex2_4.sce
@@ -0,0 +1,21 @@
+//Optoelectronics - An Introduction, 2nd Edition by J. Wilson and J.F.B. Hawkes
+//Example 2.4
+//OS=Windows XP sp3
+//Scilab version 5.5.2
+clc;
+clear;
+
+//given
+n=5e24;//Donor concentration in m^(-3)
+
+//Case (i)
+B=7.2e-16;//Recombination constant for GaAs in m^3 s^(-1)
+Th=1/(B*n);//Hole lifetime in s
+mprintf("Th for GaAs = %.1f ps",Th/1e-12);//Dividing by 10^(-12) to convert to ps
+//The answers vary due to round off error
+
+//Case (i)
+B=1.8e-21;//Recombination constant for Si in m^3 s^(-1)
+Th=1/(B*n);//Hole lifetime in s
+mprintf("\n Th for Si = %.1f us",Th/1e-6);//Dividing by 10^(-6) to convert to us
+//The answers vary due to round off error