diff options
Diffstat (limited to '374/CH7/EX7.2')
| -rw-r--r-- | 374/CH7/EX7.2/72.sci | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/374/CH7/EX7.2/72.sci b/374/CH7/EX7.2/72.sci new file mode 100644 index 000000000..a9343cad8 --- /dev/null +++ b/374/CH7/EX7.2/72.sci @@ -0,0 +1,11 @@ +//chapter 7 example 2//
+clc
+clear
+//longitudnal displacement=S,numerical aperure=NA,core radius=a,coupling efficiency=ns1.critical angle=Am//
+NA=0.2;
+Am=asind(NA);//in deg//
+printf("\n critical angle=%f deg\n",Am)
+a=25*(10^-6);//in mts//
+S=2.5*(10^-6);//in mts//
+ns1=((a/(a+(S*tand(Am))))^2)*100;
+printf("\n coupling efficiency=%f percent\n",ns1)
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