Experimental demonstration of a suspended, diffractively coupled Fabry‚ Perot cavity

Edgar, M.P. et al. (2010) Experimental demonstration of a suspended, diffractively coupled Fabry‚ Perot cavity. In: 8th Edoardo Amaldi Conference on Gravitational Waves (Amaldi 8), New York, NY, USA, 22-26 Jun 2009, 084029. (doi: 10.1088/0264-9381/27/8/084029)

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Publisher's URL: http://dx.doi.org/10.1088/0264-9381/27/8/084029


Diffraction gratings have been considered as input couplers for Fabry-Perot cavities in future gravitational wave detectors. We experimentally demonstrate the use of a triple-suspended, diffractively coupled cavity and examine conventional Pound-Drever-Hall length sensing and control techniques to maintain the required operating condition. Utilizing the diffractively coupled Fabry-Perot cavity, we investigate the effects associated with translational grating motion and observe a unique 1/ f slope in the magnitude of the frequency response when monitoring the forward-reflected error signal.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Barr, Dr Bryan and Edgar, Dr Matthew and Plissi, Dr Michael and Nelson, Mr John and Strain, Professor Kenneth
Authors: Edgar, M.P., Barr, B.W., Nelson, J., Plissi, M.V., Strain, K.A., Burmeister, O., Britzger, M., Danzmann, K., Schnabel, R., Clausnitzer, T., Brückner, F., Kley, E.-B., and Tünnermann, A.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Research Group:Institute for Gravitational Research
Journal Name:Classical and Quantum Gravity
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