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  Measurement of a low-absorption sample of OH-reduced fused silica

Hild, S., Lück, H., Winkler, W., Strain, K. A., Grote, H., Smith, J. R., et al. (2006). Measurement of a low-absorption sample of OH-reduced fused silica. Applied Optics, 45(28), 7269-7272. doi:10.1364/AO.45.007269.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4C28-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4C2A-F
Genre: Journal Article

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 Creators:
Hild, Stefan1, Author              
Lück, Harald1, Author              
Winkler, Walter1, Author              
Strain, Kenneth A.1, Author              
Grote, Hartmut1, Author              
Smith, Joshua R.2, Author
Malec, Michaela1, 2, 3, Author
Hewitson, Martin2, Author              
Willke, Benno1, Author              
Hough, James, Author
Danzmann, Karsten1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              
3AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24009              

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 Abstract: Low-absorption optics made of OH-reduced fused silica are a key technology for future gravitational wave detectors such as the Advanced LIGO. We developed a sensitive method to measure the absorption inside the beam splitter of the GEO 600, taking advantage of the effect of thermal lensing. Using this method, we derived a bulk absorption of less than 0.25 ppm/cm for a piece of Suprasil 311 SV at a wavelength of 1064 nm. To the best of our knowledge, this is the lowest value of light absorption inside fused silica reported so far in the literature.

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 Dates: 2006
 Publication Status: Published in print
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 Identifiers: eDoc: 271566
DOI: 10.1364/AO.45.007269
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Title: Applied Optics
Source Genre: Journal
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Pages: - Volume / Issue: 45 (28) Sequence Number: - Start / End Page: 7269 - 7272 Identifier: -