AI Article Synopsis
- Adaptive optics are essential for improving the quality of high-precision interferometry by addressing limitations in mirror curvature fabrication.* -
- A new low-cost thermally actuated bimorph mirror was developed, featuring a response of 200 mD, suitable for the requirements of the LIGO A+ upgrade.* -
- The mirror's deformation and operational limits were tested and confirmed through simulations using finite element analysis.*
Article 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}} + $A+ upgrade of the Laser Interferometer Gravitational-wave Observatory (LIGO). Its deformation and operation limits were measured and verified against finite element simulation.
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| http://dx.doi.org/10.1364/AO.376764 | DOI Listing |
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