▎ 摘　　要

NOVELTY - The device has the two optical fibers that are interfaced by two optical fiber ceramic heads (5). The interface of two ceramic optical fiber heads is provided with a film (6) containing carboxylated graphene oxide. USE - Carboxylated graphene enriched absorptive device. ADVANTAGE - The production costs are effectively reduced and the application capacity is improved. DESCRIPTION OF DRAWING(S) - The drawing shows the schematic diagram of the carboxylated graphene enriched absorptive device. Single-mode pumping source (1) Wavelength division multiplexer (2) Ceramic head (5) Film (6) Flange connector (7)