Contrast enhancement in double-beam interferometers

机译：双光束干涉仪的对比度增强

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Abstract: The interferometer fringe contrast ratio C is the most important figure of merit for interferometer performance. Low values of contrast drastically limit the use of double beam interferometers. The large values of contrast present in common path interferometers indicate that this deterioration is due to beam separation produced by nonideal beam splitters. Minimizing the negative effects of such beam splitters by the use of Double Beam Circular Interferometers (DBCI) and the use of plane- parallel beam splitters as well as collimating optics is suggested. Several new types of interferometers are described with improved contrast and stability. !3

机译：摘要：干涉仪的条纹对比度C是干涉仪性能的最重要的品质因数。低的对比度值极大地限制了双光束干涉仪的使用。共通路径干涉仪中存在较大的对比度值，表明这种劣化是由于非理想分束器产生的光束分离所致。建议通过使用双光束圆形干涉仪（DBCI）以及使用平面平行光束分离器以及准直光学器件来最大程度地减少此类光束分离器的负面影响。描述了具有改进的对比度和稳定性的几种新型干涉仪。！3

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《Phase Contrast and Differential Interference Contrast Imaging Techniques and Applications》|1992年|p.114-119|共6页
会议地点 Warsaw(PL)
作者
Ignacy Filinski; Technical Univ. of Denmark; Vedbaek; Denmark.;
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正文语种 eng
中图分类无线电电子学、电信技术;
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Contrast enhancement in double-beam interferometers

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