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  Coating-free mirrors for high precision interferometric experiments

Goßler, S., Cumpston, J., McKenzie, K., Mow-Lowry, C. M., Gray, M. B., & McClelland, D. E. (2007). Coating-free mirrors for high precision interferometric experiments. Physical Review. A, 76: 053810. doi:10.1103/PhysRevA.76.053810.

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 Urheber:
Goßler, Stefan1, Autor           
Cumpston, Jeff, Autor
McKenzie, Kirk, Autor
Mow-Lowry, Conor M., Autor
Gray, Malcolm B., Autor
McClelland, David E., Autor
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Zusammenfassung: Thermal noise in mirror optical coatings may not only limit the sensitivity of future gravitational-wave detectors in their most sensitive frequency band but is also a major impediment for experiments that aim to reach the standard quantum limit or cool mechanical systems to their quantum ground state. We present the design and experimental characterization of a highly reflecting mirror without any optical coating. This coating-free mirror is based on total internal reflection and Brewster-angle coupling. In order to characterize its performance, the coating-free mirror was incorporated into a triangular ring cavity together with a high quality conventional mirror. The finesse of this cavity was measured using an amplitude transfer function to be about F≃4000. This finesse corresponds to a reflectivity of the coating-free mirror of about R≃99.89%. In addition, the dependence of the reflectivity on rotation was mapped out.

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 Datum: 2007
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1103/PhysRevA.76.053810
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Titel: Physical Review. A
  Alternativer Titel : Phys. Rev. A
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: New York, NY : Published by the American Physical Society through the American Institute of Physics
Seiten: - Band / Heft: 76 Artikelnummer: 053810 Start- / Endseite: - Identifikator: Anderer: 954925225012
Anderer: 1050-2947