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Proceedings Article

Mechanical monolithic tiltmeter for low frequency measurements

[+] Author Affiliations
Fausto Acernese, Rocco Romano, Silvia Vilasi, Fabrizio Barone

Univ. degli Studi di Salerno (Italy) and INFN sez. di Napoli (Italy)

Rosario De Rosa

INFN sez. di Napoli (Italy) and Univ. degli Studi di Napoli Federico II (Italy)

Gerardo Giordano

Univ. degli Studi di Salerno (Italy)

Proc. SPIE 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, 798155 (April 18, 2011); doi:10.1117/12.879417
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From Conference Volume 7981

  • Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011
  • Masayoshi Tomizuka
  • San Diego, California, USA | March 06, 2011

abstract

The paper describes the application of a monolithic folded pendulum (FP) as a tiltmeter for geophysical applications, developed at the University of Salerno. Both the theoretical model and the experimental results of a tunable mechanical monolithic FP tiltmeter prototype are presented and discussed. Some of the most important characteristics, like the possibility of tuning its resonance frequency to values as low as 70mHz and its measured resolution of ≈ 0.1 nrad at 100mHz , are detailed. Among the scientific results, earth tilt tides have been already observed with a monolithic FP tiltmeter prototype.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Fausto Acernese ; Rosario De Rosa ; Gerardo Giordano ; Rocco Romano ; Silvia Vilasi, et al.
"Mechanical monolithic tiltmeter for low frequency measurements", Proc. SPIE 7981, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2011, 798155 (April 18, 2011); doi:10.1117/12.879417; http://dx.doi.org/10.1117/12.879417


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