Adelaide Research & Scholarship
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https://hdl.handle.net/2440/125441
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| Type: | Journal article |
| Title: | High dynamic range thermally actuated bimorph mirror for gravitational wave detectors |
| Author: | Cao, H.T. Brooks, A. Ng, S.W.S. Ottaway, D. Perreca, A. Richardson, J.W. Chaderjian, A. Veitch, P.J. |
| Citation: | Applied Optics, 2020; 59(9):2784-2790 |
| Publisher: | Optical Society of America |
| Issue Date: | 2020 |
| ISSN: | 1559-128X 2155-3165 |
| Statement of Responsibility: | Huy Tuong Cao, Aidan Brooks, Sebastian W. S. Ng, David Ottaway, Antonio Perreca, Jonathan W. Richardson ... et al. |
| Abstract: | Adaptive optics are crucial for overcoming the fabrication limits on mirror curvature in high-precision interferometry. We describe a low-cost thermally actuated bimorph mirror with 200 mD linear response, which meets dynamic range and low aberration requirements for the ${\rm{A}} + $ upgrade of the Laser Interferometer Gravitational-wave Observatory (LIGO). Its deformation and operation limits were measured and verified against finite element simulation. |
| Rights: | © 2020 Optical Society of America. |
| DOI: | 10.1364/AO.376764 |
| Grant ID: | http://purl.org/au-research/grants/arc/CE170100004 |
| Appears in Collections: | Aurora harvest 8 Physics publications |
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