Towards a FPGA-controlled deep phase modulation interferometer

M. Terán, V. Martín, Ll Gesa, I. Mateos, F. Gibert, N. Karnesis, J. Ramos-Castro, T. S. Schwarze, O. Gerberding, G. Heinzel, F. Guzmán, M. Nofrarias

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

Deep phase modulation interferometry was proposed as a method to enhance homodyne interferometers to work over many fringes. In this scheme, a sinusoidal phase modulation is applied in one arm while the demodulation takes place as a post-processing step. In this contribution we report on the development to implement this scheme in a fiber coupled interferometer controlled by means of a FPGA, which includes a LEON3 soft-core processor. The latter acts as a CPU and executes a custom made application to communicate with a host PC. In contrast to usual FPGA-based designs, this implementation allows a real-time fine tuning of the parameters involved in the setup, from the control to the post-processing parameters.

Original languageEnglish (US)
Article number012042
JournalJournal of Physics: Conference Series
Volume610
Issue number1
DOIs
StatePublished - May 11 2015
Externally publishedYes
Event10th International LISA Symposium - Gainesville, United States
Duration: May 18 2014May 23 2014

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phase modulation
interferometers
demodulation
central processing units
interferometry
tuning
fibers

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Terán, M., Martín, V., Gesa, L., Mateos, I., Gibert, F., Karnesis, N., ... Nofrarias, M. (2015). Towards a FPGA-controlled deep phase modulation interferometer. Journal of Physics: Conference Series, 610(1), [012042]. https://doi.org/10.1088/1742-6596/610/1/012042

Towards a FPGA-controlled deep phase modulation interferometer. / Terán, M.; Martín, V.; Gesa, Ll; Mateos, I.; Gibert, F.; Karnesis, N.; Ramos-Castro, J.; Schwarze, T. S.; Gerberding, O.; Heinzel, G.; Guzmán, F.; Nofrarias, M.

In: Journal of Physics: Conference Series, Vol. 610, No. 1, 012042, 11.05.2015.

Research output: Contribution to journalConference article

Terán, M, Martín, V, Gesa, L, Mateos, I, Gibert, F, Karnesis, N, Ramos-Castro, J, Schwarze, TS, Gerberding, O, Heinzel, G, Guzmán, F & Nofrarias, M 2015, 'Towards a FPGA-controlled deep phase modulation interferometer', Journal of Physics: Conference Series, vol. 610, no. 1, 012042. https://doi.org/10.1088/1742-6596/610/1/012042
Terán M, Martín V, Gesa L, Mateos I, Gibert F, Karnesis N et al. Towards a FPGA-controlled deep phase modulation interferometer. Journal of Physics: Conference Series. 2015 May 11;610(1). 012042. https://doi.org/10.1088/1742-6596/610/1/012042
Terán, M. ; Martín, V. ; Gesa, Ll ; Mateos, I. ; Gibert, F. ; Karnesis, N. ; Ramos-Castro, J. ; Schwarze, T. S. ; Gerberding, O. ; Heinzel, G. ; Guzmán, F. ; Nofrarias, M. / Towards a FPGA-controlled deep phase modulation interferometer. In: Journal of Physics: Conference Series. 2015 ; Vol. 610, No. 1.
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