( ) . (, .). . , - .
, , , , (.. ), , .
, S1 S2. , S1 n 1, S2 - n 2 ( S1 S2 r 1 r 2, . 1.1).
E 1 = E 10 cos ω (t τ 1); E 2 = E 20 cos ω (t τ 2), (1.1)
E10 20 ; τ1 τ2 S1 S2 .
υ 1 υ 2 ,
; 
.
(1.1) :
(1.2)
. . 1.2 10 20.
0 = 
, (1.3)
.
j , ()
. (1.4)
λ0, (r1 r2) (n1 n2) . ,
; 
; 
, (1.5)
. (1.6)
n 1 r 1 n 2 r 2 ,
Δ = n 1 r 1 n 2 r 2 (1.7)
.
(1.4) , , , , . , s φ = 1, - s φ = -1. ,
, 
, (1.8)
, 
, (1.9)
m .
(1.8) (1.9) , , , - , . k 0, 1, 2,.... . , - .
|
|
|
, cos φ = 1 (1.4)
I = I1 + I2 + 2 
,
;
.
(I 1 = I 2 = I 0), I = 4 I 0, I =0.
.
. , , . 10-8 . , . , . , .
, .
, - , , . , . , .
, , , .
S, S1 S2 (. 1.3). , . , S 1 M S2 , L d (d - ).
Δ = S 2 M - S 1 (n 1= n 2 = 1).
S 1 M S 1 M ,
S 1 M 2 = L 2 +(ym d /2)2;
S 2 M 2 = L 2 +(ym + d /2)2,
(S 1 M + S 2 M)(S 2 M - S 1 M) = 2 ymd.
L >> d, S 1 M + S 2 M ≈ 2L,
.
(1.8). ym,
. (1.10)
()
. (1.11)
, L >> d.
S1 S2 , . , . (m ³ 1). , - . (m > 3) , .
|
|
|
3-01
: -72 -13; ; .
: , .
(. 1.4).
h (1) 
. , ( 2) , ( 2¢) ( ). 2¢ . 2 2¢ , .. .
2 2¢. 2 .
Δ = (AB + BC) n (D λ /2).
λ /2, . . 1.4 , = = h /cos β. sin α = n sin β,
.
. (1.12)
Δ ,
. (1.13)
Δ , . Δ , . , ,
,
, (1.14)
m , (m = 1, 2), -
,
, (1.15)
m - (m = 0, I, 2...).
, , .
, , , , . , . (1.13). , .
2 3, ( 1.5). . . a, .
, , .
.
|
|
|
m - (1.15)
2 hncos bm = ml,
h - ; n - ; b - m - ; m - ; l - .
, m - k , :
2 hncos bm+k = (m + k) l.
,
kl = 2 h n (cos bm+k cos bm). (1.16)
bm+k bm, cosbk+m cosbk
cos b 1 b 2/2,
. (1.17)
:
. (1.18)
D , . 1.5, ,
am = Rm /2 L, (1.19)
Rm - m -o ; L - .
(1.17) - (1.19) (1.16),
. (1.20)
, , (1.20) .
. 1.5 ,
1 - ; 2 - ; 3 - ; 4 - .
 |
.
:
1) -13 , ;
2) , ;
3) , ;
4) Rk Rk+rn, , m ;
5) ;
6) (l= 6328 Å), (h = 17 ) , (1.20) , .
1
1. ?
2. .
3. ?
4. .
5. . a = 45 . (l= 600 )? n = 1,33.
: h = 0,13 .
2
1. ?
2. .
3. .
4. .
5. . l = 0,6 h = 1 . . j , l/2? n = 1,5.
: j = 1,72.
3
|
|
|
1. ?
2. ?
3. .
4. ?
5. . , , h = 1 . , :
1) ;
2) I = 0.
: 1) 0,5; 2) 0,548 .
3-02
