8
S
b)
a)
c)
S
6
4
2
v SL
v
v
v 0.LO.L
f IF =v SL –v 0.LO.L
8
6
4
2
Fig. 3.3 Diagrams of the heterodyne processing (a) and the self-heterodyning in OEO (b).
Representation of the spectrum transfer from the optical range into the RF range (c)
3.1 Direct and External Laser Modulation in OEO
81
S
b)
a)
c)
S
6
4
2
v SL
v
v
v 0.LO.L
f IF =v SL –v 0.LO.L
8
6
4
2
Fig. 3.3 Diagrams of the heterodyne processing (a) and the self-heterodyning in OEO (b).
Representation of the spectrum transfer from the optical range into the RF range (c)
3.1 Direct and External Laser Modulation in OEO
81