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Journal Article

Methods for simulating the readout of lengths and angles in laser interferometers with Gaussian beams

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons40507

Wanner,  Gudrun
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons40460

Heinzel,  Gerhard
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Kochkina,  Evgenia
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons40476

Mahrdt,  Christoph
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons40495

Sheard,  Benjamin
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Schuster,  Sönke
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons40437

Danzmann,  Karsten
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

OptComm285_4831.pdf
(Any fulltext), 566KB

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Citation

Wanner, G., Heinzel, G., Kochkina, E., Mahrdt, C., Sheard, B., Schuster, S., et al. (2012). Methods for simulating the readout of lengths and angles in laser interferometers with Gaussian beams. Optics Communications, 285(24), 4831-4839. doi:10.1016/j.optcom.2012.07.123.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-B08E-9
Abstract
In this paper methods to simulate the signals in laser interferometers are proposed. The central part deals with the computation of the photocurrent, subsequent phase demodulation and finally the generation of interferometer signals, such as the longitudinal phase readout, differential wavefront sensing signal, differential power sensing and contrast. Here, fundamental Gaussian beams without astigmatism are assumed. The methods are validated in several examples by comparison with experimental data, with analytical results as well as with an intuitively predictable system.