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https://www.optical-sintai.com/products/20km-dispersion-compensation-fiber.html

Dispersion Compensation Module (DCM) is designed to fix the form of optical signals that are deformed by chromatic dispersion. The main constituent of DCM is DCF (Dispersion Compensation Fiber) with a negative chromatic dispersion value within the wavelength range between 1525nm and 1565nm.
The module offers a high level of compensation while maintaining a low flat insertion loss as well as a low latency. When combined with EDFA and OEO, DCM provides a simple, reliable, and cost-effective long-haul transport solution, making signals go further without regeneration.

20km Dispersion Compensation Fiber Feature
100% slope compensation of G.652 fiber in C-band (Typical)
Low insertion loss
Low polarization mode dispersion
Wideband dispersion compensation
Compensation up to 20 km
Completely passive—no powering utilized
Telcordia GR-2854-CORE, ROHS compliant

20km Fiber Dispersion Compensation Specification

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