Which wavelength of optical signals can be amplified?
A.
200 nm
B.
1550 nm
C.
850 nm
D.
1310 nm
Which wavelength of optical signals can be amplified?
Which wavelength of optical signals can be amplified?
Which wavelength of optical signals can be amplified?
Which wavelength of optical signals can be amplified?
A.
200 nm
B.
1550 nm
C.
850 nm
D.
1310 nm