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Note: Silicon carbide telescope dimensional stability for space-based gravitational wave detectors
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10.1063/1.4767247
/content/aip/journal/rsi/83/11/10.1063/1.4767247
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/11/10.1063/1.4767247
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Left: telescope spacer design. Right: mounted SiC telescope spacer. The inset shows one of the sister blocks.

Image of FIG. 2.
FIG. 2.

A two-stages suspension system (springs + blades) was installed in order to decouple the telescope from ground vibrations. The telescope was surrounded by polyethylene terephthalate (PET) shields in order to achieve a benign thermal environment. A 25-liter LN reservoir was thermally linked to the telescope by means of four copper rods in order to be able to cool it. Temperature sensors were attached to the spacer. The pressure was kept at ≃5×10−5 Pa.

Image of FIG. 3.
FIG. 3.

Left: dimensional stability results at room temperature. Right: idem at −62 °C.

Image of FIG. 4.
FIG. 4.

Temperature stability and transfer functions in the telescope. See text for details.

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/content/aip/journal/rsi/83/11/10.1063/1.4767247
2012-11-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Note: Silicon carbide telescope dimensional stability for space-based gravitational wave detectors
http://aip.metastore.ingenta.com/content/aip/journal/rsi/83/11/10.1063/1.4767247
10.1063/1.4767247
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