Erbium-Doped Fiber for EDFAs from Japan
Single-mode erbium-doped optical fiber (EDF) used as gain medium in Erbium-Doped Fiber Amplifiers (EDFAs) for amplifying voice, data, and video signals in long-haul DWDM communication systems. Core doped with erbium ions for 1550nm amplification. HTS 9001.10.0030 for telecom transmission role.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide absorption/emission spectra confirming 1530-1565nm communication band
• Declare numerical aperture and core doping concentration specs
• Classify as fiber component, not amplifier assembly per Chapter 90 part notes