A brief comparison of optical pathlength difference and various definitions for the interferometric phase

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Wanner, Gudrun; Schuster, Sönke; Tröbs, Michael; Heinzel, Gerhard: A brief comparison of optical pathlength difference and various definitions for the interferometric phase. In: Journal of Physics Conference Series 610 (2015), 12043. DOI: http://dx.doi.org/10.1088/1742-6596/610/1/012043

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Sum total of downloads: 142




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Abstract: 
To this paper we discuss that the phase readout in low noise laser interferometers can significantly deviate from the underlying optical pathlength difference (OPD). The cross coupling of beam tilt to the interferometric phase readout is compared to the OPD. For such a system it is shown that the amount of tilt to phase readout coupling depends strongly on the involved beams and their parameters, as well as on the detector properties and the precise definition of the phase. The unique single element photodiode phase is therefore compared to three common phase definitions for quadrant diodes. It is shown that neither phase definition globally shows the least amount of cross coupling of angular it
License of this version: CC BY 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2015
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 119 83.80%
2 image of flag of United States United States 7 4.93%
3 image of flag of China China 4 2.82%
4 image of flag of No geo information available No geo information available 3 2.11%
5 image of flag of Sweden Sweden 2 1.41%
6 image of flag of Europe Europe 2 1.41%
7 image of flag of Russian Federation Russian Federation 1 0.70%
8 image of flag of India India 1 0.70%
9 image of flag of Georgia Georgia 1 0.70%
10 image of flag of United Kingdom United Kingdom 1 0.70%
    other countries 1 0.70%

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