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Realization of a monolithic high-reflectivity cavity mirror from a single silicon crystal

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons40449

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons40433

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

http://pubman.mpdl.mpg.de/cone/persons/resource/persons1456

Burmeister,  Oliver
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;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons40490

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

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Volltexte (frei zugänglich)

1004.2641
(Preprint), 2MB

PRL163903.pdf
(beliebiger Volltext), 380KB

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Zitation

Brückner, F., Friedrich, D., Clausnitzer, T., Britzger, M., Burmeister, O., Danzmann, K., et al. (2010). Realization of a monolithic high-reflectivity cavity mirror from a single silicon crystal. Pysical Review Letters, 104(16): 163903. doi:10.1103/PhysRevLett.104.163903.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0012-B8F1-8
Zusammenfassung
We report on the first experimental realization of a high-reflectivity cavity mirror that solely consists of a single silicon crystal. Since no material was added to the crystal, the urgent problem of 'coating thermal noise' that currently limits classical as well as quantum measurements is avoided. Our mirror is based on a surface nanostructure that creates a resonant surface waveguide. In full agreement with a rigorous model we realized a reflectivity of (99.79+/-0.01)% at a wavelength of 1.55 {\mu}m, and achieved a cavity finesse of 2784. We anticipate that our achievement will open the avenue to next generation high-precision experiments targeting fundamental questions of physics.