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Optical analyzer and method for reducing relative intensity noise in interferometric optical measurements
Optical analyzer and method for reducing relative intensity noise in interferometric optical measurements
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机译:光学分析仪和用于减少干涉光学测量中的相对强度噪声的方法
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摘要
A heterodyne optical network analyzer (100) and method for device characterization reduces the effect of relative intensity noise (RIN) in interferometric optical measurements by subtracting the measured intensities of first (I1) and second (I2) interference signals derived from an optical interferometer. The first and second interference signals are produced by combining a first lightwave transmitted to an optical device (102) being characterized with a second lightwave, which is a delayed version of the first lightwave. The first and second lightwaves are derived by splitting an input lightwave having a continuously swept optical frequency generated by a light source, such as a continuously tunable laser (108).
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