Since a few years, the LISA-PF group in Napoli has been working to the development of an optical read-out system, based on optical levers and position sensitive detectors, for the LISA Gravitational Reference Sensor (GRS). This is intended as a more sensitive extra sensing device, in addition to capacitive readout that is the reference solution already tested on flight by the LISA-Pathfinder mission. The reliability of the proposed ORO device and the fulfillment of the sensitivity goals have been already demonstrated in bench-top measurements and tested with torsion pendulum facilities. In this paper we report on the present status of this activity, presenting the results obtained so-far and the perspectives for the future LISA mission.
A two-stage torsion pendulum for ground testing free fall conditions on two degrees of freedom / Bassan, M., Cavalleri, A., DE LAURENTIS, M., De Marchi, F., DE ROSA, R., Di Fiore, L., Dolesi, R., Finetti, N., Garufi, F., Grado, A., Hueller, M., Milano, L., Pucacco, G., Stanga, R., Vetrugno, D., Visco, M., Vitale, S., Weber, J.w.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 840:(2017), pp. 1-3. [10.1088/1742-6596/840/1/012035]
A two-stage torsion pendulum for ground testing free fall conditions on two degrees of freedom
DE LAURENTIS, MARTINA;DE ROSA, ROSARIO;GARUFI, FABIO;MILANO, LEOPOLDO;
2017
Abstract
Since a few years, the LISA-PF group in Napoli has been working to the development of an optical read-out system, based on optical levers and position sensitive detectors, for the LISA Gravitational Reference Sensor (GRS). This is intended as a more sensitive extra sensing device, in addition to capacitive readout that is the reference solution already tested on flight by the LISA-Pathfinder mission. The reliability of the proposed ORO device and the fulfillment of the sensitivity goals have been already demonstrated in bench-top measurements and tested with torsion pendulum facilities. In this paper we report on the present status of this activity, presenting the results obtained so-far and the perspectives for the future LISA mission.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
