IEC 61978-1 Ed. 2.0 b:2009

IEC 61978-1:2009 applies to fibre optic passive chromatic dispersion compensators, all exhibiting the following features:
- they are optically passive;
- they have an optical input and an optical output for transmitting optical power;
- they are wavelength sensitive;
- they may be polarization sensitive.
This standard establishes uniform requirements for the passive chromatic dispersion compensator. Changes from the previous edition of this standard are to reconsider the requirements.