APPARATUS FOR AND METHOD OF MEASURING CHROMATIC DISPERSION OF OPTICAL FIBER AND OTICAL WAVEGUIDE USING SPECTRAL INTERFEROMETER

摘要

A device for measuring the spectral interferometer using an optical waveguide and optical fiber and a method for measuring the same are provided to get a phase value from the interference fringe measured by an interferometer and a wavelength component photo detector to measure the spectral interferometer value. A device for measuring the spectral interferometer using an optical waveguide comprises a first and second optical splitters(20,30) and a wavelength component detector(40). The first optical splitter distributes light source(10) to a standard light path(2) and measurement light path. The second optical splitter binds the standard light path and the measurement light path. The second optical splitter causes the dark fringe. A wavelength components detector detects the waveform with the dark fringe and calculates the spectral interferometer value based on the calculated phase value of the whole wavelength area.