In DWDM terminology, what is “grey light”?
A. A darker version of white light.
B. An attenuated signal of any wavelength.
C. Short-reach wavelengths.
D. Violet light of higher frequencies, bordering on invisible ultraviolet.
In DWDM terminology, what is “grey light”?
A. A darker version of white light.
B. An attenuated signal of any wavelength.
C. Short-reach wavelengths.
D. Violet light of higher frequencies, bordering on invisible ultraviolet.