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  Translational, rotational, and vibrational coupling into phase in diffractively coupled optical cavities

Barr, B. W., Edgar, M. P., Nelson, J., Plissi, M. V., Huttner, S. H., Sorazu, B., et al. (2011). Translational, rotational, and vibrational coupling into phase in diffractively coupled optical cavities. Optics Letters, 36(14), 2746-2748. doi:http://dx.doi.org/10.1364/OL.36.002746.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-06BD-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-06BE-3
Genre: Journal Article

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OptLet36_2746.pdf (Any fulltext), 199KB
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Barr, B. W., Author
Edgar, M. P., Author
Nelson, J., Author
Plissi, M. V., Author
Huttner, S. H., Author
Sorazu, B., Author
Strain, K. A.1, Author              
Burmeister, O.1, Author              
Britzger, M.1, Author              
Friedrich, D.1, Author              
Schnabel, R.1, Author              
Danzmann, K.1, Author              
Hallam, J., Author
Freise, A., Author
Clausnitzer, T., Author
Brückner, F., Author
Kley, E.-B., Author
Tünnermann, A., Author
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24010              

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 Abstract: All-reflective optical systems are under consideration for future gravitational wave detector topologies. A key feature of these all-reflective systems is the use of Fabry–Perot cavities with diffraction gratings as input couplers; however, theory predicts and experiment has shown that translation of the grating surface across the incident laser light will introduce additional phase into the system. This translation can be induced through simple side-to-side motion of the coupler, yaw motion of the coupler around a central point (i.e., rotation about a vertical axis), and even via internal resonances (i.e., vibration) of the optical element. In this Letter we demonstrate on a prototype-scale suspended cavity that conventional cavity length-sensing techniques used to detect longitudinal changes along the cavity axis will also be sensitive to translational, rotational, and vibrational motion of the diffractive input coupler. We also experimentally verify the amplitude response and frequency dependency of the noise coupling as given by theory.

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 Dates: 2011
 Publication Status: Published in print
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Title: Optics Letters
Source Genre: Journal
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Publ. Info: New York, NY : The Society
Pages: - Volume / Issue: 36 (14) Sequence Number: - Start / End Page: 2746 - 2748 Identifier: ISSN: 0146-9592
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925474435