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- W2028934841 abstract "The Smart X-ray Optics project is a UK based consortium consisting of several institutions to investigate the applicationof active/adaptive optics upon both small and large scale grazing incidence x-ray optics. The work done at UniversityCollege London (UCL) focuses on the application of piezoelectric materials to large scale optics in order to activelydeform the mirror's surface. These optics are geared towards the next generation of x-ray telescopes and it is hoped thatthe project will be able to achieve a resolution greater than that currently available by Chandra (0.5). One of the aims ofthe consortium is to produce a working prototype. The initial design is based on a thin nickel ellipsoid segment with anx-ray reflective coating, on the back of which will be bonded a series of piezoelectric actuators.Investigation into the specification of the design of an active x-ray optic prototype and suitable support test structure hasbeen undertaken. The dimensions and constraints upon the prototype, and the manufacturing process to produce a nickelshell are discussed. Finite element analysis (FEA) of the physical characteristics of piezoelectric materials has shown theability to deform the nickel surface to correct for errors of several microns. FEA has also been utilised in thespecification of the prototype's support structure to ensure that gravitational sag upon the optic is kept to a minimum.Laboratory experiments have tested a series of materials, different actuators and bonding methods, which could then beapplied to the prototype." @default.
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- W2028934841 date "2007-12-03" @default.
- W2028934841 modified "2023-09-23" @default.
- W2028934841 title "Active X-ray mirror development at UCL: preliminary results" @default.
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- W2028934841 doi "https://doi.org/10.1117/12.782955" @default.
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