dorsal/arxiv
View SchemaEffect of Optical Coating and Surface Treatments on Mechanical Loss in Fused Silica
| Authors | Andri M. Gretarsson, Gregory M. Harry, Steven D. Penn, Peter R. Saulson, John J. Schiller, William J. Startin |
|---|---|
| Categories | |
| ArXiv ID | physics/9911040 |
| URL | https://arxiv.org/abs/physics/9911040 |
| DOI | 10.1063/1.1291872 |
Abstract
We report on the mechanical loss in fused silica samples with various surface treatments and compare them with samples having an optical coating. Mild surface treatments such as washing in detergent or acetone were not found to affect the mechanical loss of flame-drawn fused silica fibers stored in air. However, mechanical contact (with steel calipers) significantly increased the loss. The application of a high-reflective optical coating of the type used for the LIGO test masses was found to greatly increase the mechanical loss of commercially polished fused silica microscope slides. We discuss the implications for the noise budget of interferometers.
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"abstract": "We report on the mechanical loss in fused silica samples with various surface\ntreatments and compare them with samples having an optical coating. Mild\nsurface treatments such as washing in detergent or acetone were not found to\naffect the mechanical loss of flame-drawn fused silica fibers stored in air.\nHowever, mechanical contact (with steel calipers) significantly increased the\nloss. The application of a high-reflective optical coating of the type used for\nthe LIGO test masses was found to greatly increase the mechanical loss of\ncommercially polished fused silica microscope slides. We discuss the\nimplications for the noise budget of interferometers.",
"arxiv_id": "physics/9911040",
"authors": [
"Andri M. Gretarsson",
"Gregory M. Harry",
"Steven D. Penn",
"Peter R. Saulson",
"John J. Schiller",
"William J. Startin"
],
"categories": [
"physics.ins-det",
"physics.gen-ph"
],
"doi": "10.1063/1.1291872",
"title": "Effect of Optical Coating and Surface Treatments on Mechanical Loss in Fused Silica",
"url": "https://arxiv.org/abs/physics/9911040"
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