Abstract
Phase retrieval (PR) [1] is a method implemented to determine the phase of a wave field. The most established PR techniques recover the phase from a number of intensity measurements corresponding to light diffracted at consecutive planes [2,3]. PR has comparably low demands regarding the coherence of light, since no reference wave is required. This should offer the opportunity to use partially coherent light for illumination, e.g. light provided by LEDs, instead of fully coherent light originated from a laser source for example. Thus, typical problems arising from the use of a laser source, such as parasitic interference fringes generated due to reflections from glass surfaces, high cost and high demands regarding laser safety are avoided.
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Agour, M., Elshaffey, K., von Kopylow, C., Bergmann, R.B., Falldorf, C. (2014). Measuring the Complex Amplitude of Wave Fields by Means of Phase Retrieval Using Partially Coherent Illumination. In: Osten, W. (eds) Fringe 2013. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-36359-7_47
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DOI: https://doi.org/10.1007/978-3-642-36359-7_47
Publisher Name: Springer, Berlin, Heidelberg
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