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Journal Article

Three-port beam splitters–combiners for interferometer applications

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/persons/resource/persons40490

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

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

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

/persons/resource/persons40437

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

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Citation

Schnabel, R., Bunkowski, A., Burmeister, O., & Danzmann, K. (2006). Three-port beam splitters–combiners for interferometer applications. Optics Letters, 31(5), 658-660. doi:10.1364/OL.31.000658.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4BCE-5
Abstract
We derive generic phase and amplitude coupling relations for beam splitters-combiners that couple a single port with three output ports or input ports, respectively. We apply the coupling relations to a reflection grating that serves as a coupler to a single-ended Fabry-Perot ring cavity. In the impedance-matched case such an interferometer can act as an all-reflective ring mode cleaner. It is further shown that in the highly undercoupled case almost complete separation of carrier power and phase signal from a cavity strain can be achieved.