Three-port beam splitters-combiners for interferometer applications
Optics Letters, Vol. 31, Issue 5, pp. 658-660 (2006)
http://dx.doi.org/10.1364/OL.31.000658
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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.
© 2006 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(230.1360) Optical devices : Beam splitters
ToC Category:
Diffraction and Gratings
History
Original Manuscript: September 19, 2005
Manuscript Accepted: November 3, 2005
Citation
R. Schnabel, A. Bunkowski, O. Burmeister, and K. Danzmann, "Three-port beam splitters-combiners for interferometer applications," Opt. Lett. 31, 658-660 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-5-658
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