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Multi-nested pendula: a new cryogenic vibrational isolation system for the Advanced LIGO gravitational waves detector

Grant number: 12/22752-1
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): June 01, 2013
Effective date (End): April 14, 2017
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Astronomical Instrumentation
Principal Investigator:Odylio Denys de Aguiar
Grantee:Marcio Constâncio Junior
Host Institution: Instituto Nacional de Pesquisas Espaciais (INPE). Ministério da Ciência, Tecnologia e Inovações (Brasil). São José dos Campos , SP, Brazil
Associated research grant:06/56041-3 - New physics from space: gravitational waves, AP.TEM
Associated scholarship(s):16/01120-8 - Development of cryogenic technologies applicable to multi-nested pendula and a fellowship program to work at LIGO lab, BE.EP.DR


The GWINPE Group (The Gravitational Wave Group of the National Institute for Space Research) has been doing R&D related to a vibrational isolation system for the Advanced LIGO gravitational wave detector. It is a criogenic nested multipendular system, named Multi-Nested Pendula, which attenuates seismic noise while saves vertical space. GWINPE has been working on the performance at room temperature of this system for more than one year. However for the doctoral program we will study its performance at cryogenic temperatures, since this is the goal of the third and fourth generations of the Advanced LIGO. This research is linked to the Suspensions and Isolation Working Group (SWG) of the LSC (LIGO Scientific Collaboration). (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
CONSTANCIO, JR., M.; AGUIAR, O. D.; KEISER, G. MCCURRACH; MALHEIRO, M.; LEMOS, L. J. RANGEL. Do coupled nested pendula have the same eigenfrequencies as pendula in cascade?. Journal of Instrumentation, v. 9, . (12/22752-1, 06/56041-3)

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