xp D, /(), , , (1310 1550 ). , . 1.7 D - G.652 G.653.
1.7.
D, /( ) | SSF (G.652) | DSF (G.653) |
=1310 | < 2,7..3,5 | <25 |
=1550 | < 17...18 | £2,7 |
D S0, /( ) RDS=S0/D 1/. .
, , 1260 1675 . D SSF λ [48, 54]:
(1.33)
S0 . , Coming SMF-28e : S0=0,092 /(); λ=1301,5...1321,5 [48].
(DSF) D λ [48, 50]:
(1.34)
( , NZDSF) λ1 λ2
(λ1 λ2)-, C L, D(λ) (λ1 <λ< λ2) D(λ1) D(λ2):
(1.35)
1.8. D Corning LEAF L [48]:
1.8.
D, /() | |||
L | |||
1530 | 1565 | 1565 | 1625 |
2.0 | 6.0 | 4.5 | 11.2 |
, /, 1 , :
(1.36)
, , SSF NZDSF λ=1550 . 1.9 [48].
|
|
1.9.
, / | 2,5 | ||
SDH: STM- | cd | ||
, D max / | |||
Lmax : OB SSF (λ=1550 , D=17 /()) | |||
Lmax, : OB NZDSF (λ=1550 , D=4,4 /()) |
2,5 / 16640 /. 980 SSF 3782 NZDSF. , STM-16 , , . 10 / (STM-64) 1040 /, NZDSF Lmax 236 , SSF 62 . .