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THERMAL AND MECHANICAL TESTING
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aberration active optics adaptive optics alignment analysis angle Applied Optics astronomical axial bandwidth bimorph chopping configuration core deflection deformable mirror deformation developed diameter displacement distortion dynamic effect EFSM elastic enclosure equations Experimental facesheet finite element analysis finite element method flexure flow focal plane array fringe geometry heat influence functions interferometer joint large telescope laser linear load material matrix measured mechanical method microns mirror segment modal modes mount NASTRAN natural frequency Observatory panel performance phase piezoelectric piston plate pointing error polarized polynomials predicted primary mirror problem Proc PSR Moderate Focus-Mission radial reflector retroreflector rigid Rome Laboratory rotational sample beam secondary mirror sensor shear shown in Figure simulation spatial spherical SPIE stiffness stresses structural substrate techniques Technology temperature theory thermal tilt truss vibration wavefront wavelength wavelength stability Wollaston prism Zernike Zernike polynomials