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Measurements of the complex degree of spectral coherence by use of a wave-front-folded interferometer

机译:使用波前折叠式干涉仪测量复杂的光谱相干度

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摘要

A wave-front-folded interferometer composed of a Kosters prism and an image-forming lens provides a good way of measuring the complex degree of spectral coherence. Demonstrative experiments are implemented by incorporation of uncorrelated two-point spectral sources in the primary-source plane; these sources establish a spatially partially coherent wave field over the secondary source plane just in front of the interferometer. The complex degree of spectral coherence of the secondary source is successfully measured after an a priori calibration is made for the interferometer that was constructed. (C) 1997 Optical Society of America.
机译:由Kosters棱镜和成像透镜组成的波前折叠式干涉仪是测量复杂光谱相干程度的好方法。示范性实验是通过将不相关的两点光谱源合并到主要源平面中来实现的;这些源在干涉仪前面的次级源平面上建立了空间上部分相干的波场。在对所构造的干涉仪进行先验校准后,可以成功测量辅助光源的复杂光谱相干度。 (C)1997年美国眼镜学会。

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