Abstract
A technique for the determination of the wavelength-dependent attenuation coefficient of the LP11 mode in single-mode fibers is presented. Knowledge of the magnitude of this coefficient is required, e.g., for the quantitative prediction of modal noise in an optical-fiber communication system. An effective cutoff wavelength of the LP11 mode can be unambiguously defined as the wavelength at which the attenuation coefficient equals a specified value.
© 1984 Optical Society of America
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