Fringe 2009 2009
DOI: 10.1007/978-3-642-03051-2_44
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Aspects of design and the characterization of a high resolution heterodyne displacement interferometer

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Cited by 6 publications
(12 citation statements)
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“…In the past ten years, a major focus has been in the reduction of non-linearities in the readout as shown by Weichert et al and Pisani et al 32,75,76 . These devices are based off a single, frequency stabilised laser that is locked to a hyperfine structure line in Iodine.…”
Section: Polarization Based Devicesmentioning
confidence: 99%
“…In the past ten years, a major focus has been in the reduction of non-linearities in the readout as shown by Weichert et al and Pisani et al 32,75,76 . These devices are based off a single, frequency stabilised laser that is locked to a hyperfine structure line in Iodine.…”
Section: Polarization Based Devicesmentioning
confidence: 99%
“…Instead of the optics, a NPBS was used to realize the interference. With the Mach-Zehnder setup, a phase variation of less than ±5 pm over 50 h was demonstrated [11].…”
Section: Evaluation Of the Optical Interferometermentioning
confidence: 99%
“…The half-wave plates were used to orientate the desired polarization mode of the fibres' output with respect to the axis of the polarization beam splitter of the interferometer, while the polarizing prisms rejected the other polarization state of the beam excited by mechanically introduced stress along the optical fibres. A misalignment of these polarizers would have resulted in variations of the measured phase, due to the imperfections in the beam splitters and different phase variations of the two guided modes of the optical fibre [11]. The mechanical stress along the fibres also leads to different variations of the phase values of the two incoming beams.…”
Section: Interferometer Setupmentioning
confidence: 99%
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“…Polarisation maintaining (PM) fibres were used and a polarizer was placed behind the collimators to suppress the influence of light scattered into the fast axis of the polarizationmaintaining fibres. This scattered light can cause phase variations because the splitting ratio of the following nonpolarizing beam splitter slightly depends on the polarisation state and a polarization jitter implies variations of the phase difference between the linear (vertical and horizontal) polarization components of the input beams [16,17]. To avoid frequency mixing errors, two fibres were used.…”
Section: The Design Of the Displacement Interferometermentioning
confidence: 99%