Semiannual Report of Msu Group the Researches Were Supported by Nsf Grant Phy0098715 " Low Noise Suspensions and Readout Systems for Ligo " ( Contents
نویسندگان
چکیده
منابع مشابه
The Annual Report of the Msu Group
The investigation of thermal and excess noise in the high-Q modes of all fused silica suspension for the Advanced LIGO test masses.. 2 1.2 The investigation of thermal and excess noise in the fused silica plates with multilayer reflective coating. .
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In this paper we discuss theoretical and experimental investigations of the use of eddy current damping for multi-stage pendulum suspensions such as those intended for use in Advanced LIGO, the proposed upgrade to LIGO (the US laser interferometric gravitational-wave observatory). The design of these suspensions is based on the triple pendulum suspension design developed for GEO 600, the German...
متن کاملThe Annual Report of the Msu Group
I Summary 2 A The impro vem ents of the Q-factor of the suspension modes . . . . . . . . 2 B The developmen t and the realization of methods of measuremen ts of the excess noise in all-fused-silica bers . . . . . . . . . . . . . . . . . . . . . 3 C The investigation of the sources of noises produced by electrostatic actuators 4 D The analysis of new topologies and new meters for the adv anced L...
متن کاملInvited article: CO2 laser production of fused silica fibers for use in interferometric gravitational wave detector mirror suspensions.
In 2000 the first mirror suspensions to use a quasi-monolithic final stage were installed at the GEO600 detector site outside Hannover, pioneering the use of fused silica suspension fibers in long baseline interferometric detectors to reduce suspension thermal noise. Since that time, development of the production methods of fused silica fibers has continued. We present here a review of a novel ...
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Research partially supported by NSF grants DMS-9803181 and DMS-0103895, AFOSR grant F49620-96-1-0100, a University of Michigan Rackham Fellowship, and an NSF group infrastructure grant at the University of Michigan Research partially supported by NSF grants DMS-9803181 and DMS-0103895, AFOSR grant F49620-96-1-0100, and an NSF group infrastructure grant at the University of Michigan Research par...
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تاریخ انتشار 2004