Common-Path Methods


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Common-Path Methods
1010103Common-Path MethodsTemporal-phase stability was identified as one the most important figures of merit in QPI. This chapter presents common-path interferometry as a valuable solution to achieve stable-phase measurements. In essence, the methods presented in this chapter operate by the physical principle rooted in the following observation: A microscope image (e.g., bright field, phase contrast), although an interferogram, is extremely stable. This stability occurs because all the interfering fields making up the image (that is, all Fourier components scattered from the specimen) travel in close proximity to each other, passing through the same optical components. Therefore, the no…
Citation
Gabriel Popescu: Quantitative Phase Imaging of Cells and Tissues. Common-Path Methods, Chapter (McGraw-Hill Professional, 2011), AccessEngineering Export