Fiber optic device operating at two or more wavelengths

摘要

A fiber optic device is used by fiber optic systems that operate with light at more than one wavelength. The device may be inserted anywhere within the fiber network. The fiber optic device permits the separation of the wavelengths so that an optical device can operate on that separated wavelength without operating on the other wavelength or wavelengths. The different wavelengths may then be recombined. In another embodiment, different wavelengths may be combined into a single fiber, with an optical device being disposed to operate on one of the wavelengths.