Dispersion Compensating Fiber DCF from Canada
High negative dispersion optical fiber used in DWDM systems to compensate chromatic dispersion of standard SMF, enabling long-haul voice, data, and video transmission at 10/40/100G rates. Typical -80 to -100 ps/nm/km dispersion at 1550nm. HTS 9001.10.0030 classification.
Duty Rate — Canada → United States
16.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide dispersion slope and PMD specs for system compatibility
• Declare figure-of-merit (dispersion/slope normalized to loss)
• Confirm splicing compatibility with G.652 SMF (9/125μm)