Very high-rejection optical fibre filters

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© The Institution of Electrical Engineers
Published 21/07/2012

Abstract

An optical filter has been developed using holmium-doped optical fibre. Transmission in the blocking band is 10-7% while transmission in the passband is 85%. The wavelength separation between maximum blocking and maximum pass is only 40 nm.

Inspec keywords: germanate glasses; optical communication equipment; optical fibres; silicon compounds; holmium; optical filters

Other keywords: 40 nm wavelength separation; optical fibre filters; high-rejection; SiO2-GeO2:Ho; 40 nm; optical communication equipment

Subjects: Fibre optics; Optical communication devices, equipment and systems; Optical coatings and filters; Optical communication; Fibre optics and fibre waveguides; Spectral and other filters

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