Spectrally resolved digital holography using a white light LED

D. Claus; G. Pedrini; D. Buchta; W. Osten

doi:10.1117/12.2270166

26 June 2017 Spectrally resolved digital holography using a white light LED

D. Claus; G. Pedrini; D. Buchta; W. Osten

Author Affiliations +

Proceedings Volume 10335, Digital Optical Technologies 2017; 103351H (2017) https://doi.org/10.1117/12.2270166
Event: SPIE Digital Optical Technologies, 2017, Munich, Germany

Abstract

This paper introduces the concept of spectrally resolved digital holography. The measurement principle and the analysis of the data will be discussed in detail. The usefulness of spectrally resolved digital holography is demonstrated for colour imaging and optical metrology with regards to the recovery of modulus information and phase information, respectively. The phase information will be used to measure the shape of an object via the application of the dual wavelength method. Based on the large degree of data available, multiple speckle de-correlated dual wavelength phase maps can be obtained, which when averaged result in a signal to noise ratio improvement.

Citation Download Citation

D. Claus, D. Claus, G. Pedrini, G. Pedrini, D. Buchta, D. Buchta, W. Osten, W. Osten, } "Spectrally resolved digital holography using a white light LED", Proc. SPIE 10335, Digital Optical Technologies 2017, 103351H (26 June 2017); doi: 10.1117/12.2270166; https://doi.org/10.1117/12.2270166

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