Bench-top interferometric test bed for LISA

Daniel A. Shaddock; Brent C. Young; Alexander R. Abramovici

doi:10.1117/12.458563

26 February 2003 Bench-top interferometric test bed for LISA

Daniel A. Shaddock, Brent C. Young, Alexander R. Abramovici

Proceedings Volume 4856, Gravitational-Wave Detection; (2003) https://doi.org/10.1117/12.458563
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

The optical paths on the LISA bench must have a length instability of less than 10~pm/square root Hz over time scales of 1s to 1000s. A small rigid interferometer has been constructed to measure the optical path length changes using various bonding techniques. The interferometer was constructed entirely from ultra-low expansion (ULE) glass by optically contacting ULE beamsplitters to a ULE bench. Preliminary results taken with the interferometer operating in air indicate optical path length fluctuations of approximately 100 pm/ sqaure root Hz or less for frequencies between 1 mHz and 1 Hz.

Citation Download Citation

Daniel A. Shaddock, Brent C. Young, and Alexander R. Abramovici "Bench-top interferometric test bed for LISA", Proc. SPIE 4856, Gravitational-Wave Detection, (26 February 2003); https://doi.org/10.1117/12.458563

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