1 引言为响应光纤技术的快速发展，美国国家标准技术研究院（NIST）的光电子学分部已研制成许多技术和标准，以支持用于波分复用光纤通信系统中的光学元件和子系统的测量。现行项目包括波长校正传递标准的研制和光纤及元件的光谱响应、色散和偏振关系的准确测量。宽带光纤通信 1 Introduction In response to the rapid advances in optical fiber technology, the National Institute of Standards and Technology (NIST) optoelectronics division has developed many techniques and standards to support the measurement of optical components and subsystems used in wavelength division multiplexed optical fiber communications systems. Current projects include the development of standards for the transmission of wavelength correction and the accurate measurement of the spectral response, dispersion and polarization of optical fibers and components. Broadband optical fiber communication