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Bench top interferometric test bed for LISA

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Date

2002

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Abstract

The optical paths on the LISA bench must have a length instability of less than 10 pm/√Hz over time scales of 1 s to 1000 s. 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/√Hz or less frequencies between 1 mHz and 1 Hz.

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Keywords

Heterodyne interferometer, LISA optical bench, Optical contacting

Citation

URI

https://dspace-test.anu.edu.au/handle/1885/733745374

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DevOps Pure Testing

Source

Proceedings of SPIE - The International Society for Optical Engineering

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Conference article

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DOI

10.1117/12.458563

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