Phase-Shifting Methods


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Phase-Shifting Methods
1010103Phase-Shifting MethodsPhase-shifting interferometry has been used in metrology for decades (see, for example, Refs. 1 to 57). Of course, the implementation of this principle in QPI methods dedicated to biological investigations is more recent.58–72 The principle of phase-shifting QPI has been already discussed in Sec. 8.2. The main advantage of phase-shifting over off-axis techniques is in the ability to render quantitative phase maps via simple mathematical operations, i.e., subtractions and divisions, which overall reduces …
Citation
Gabriel Popescu: Quantitative Phase Imaging of Cells and Tissues. Phase-Shifting Methods, Chapter (McGraw-Hill Professional, 2011), AccessEngineering Export