:
- (f), ;
- (), ;
- ( () ) (s), ;
- (s), ;
- () (s, q = L = 1/ s);
- (Q);
- (Δfc), ;
-
;
-
.
=
.
(), ().
() () ( 2.1).
.
1 2, : 1--2 .=1/R, .=1/R 1 2; , (..) :
| (2.22) |
.
1:
| (2.23) |
, 
.
| (2.24) |
| (2.25) |
(32)
| (2.26) |
2 0,5 0,9.
| (2.27) |
g = 1/R = g11.
n1, n2 :
| (2.28) |
| (2.29) |
n1 1, 1.
| (2.30) |
1 (0,5-0,9).
| (2.31) |
.
| (2.32) |
L ( ) [].
( ). :
|
|
|
| (2.33) |
. , . :
 ,
| (2.34) |
 .
| (2.35) |
, , .
| (2.36) |
3.
