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(a) Photograph of a Norcada x-ray membrane. (b) SEM of an SPI membrane.
(b) Mechanical ringdown of the membrane. The membrane was driven by a piezoactuator which was stopped at . Inset shows the nonlinear mechanical response of the Norcada membrane. Solid lines are fits.
(a) Comparison of versus magnetic field for the three lowest vibrational modes of the Norcada membrane. (b) Comparison of vs temperature for the three lowest vibrational modes of the Norcada membrane.
Ringdown of transmission from cavity after the laser is chopped at , shown with fitted values of finesse.
Table of measured resonant frequency and for several vibrational modes of a Norcada thick membrane at . For all modes except (1,1) the deviation from the theoretical resonant frequency is given.
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