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We report a miniature mirror-tilt-insensitive (MTI) Fourier transform spectrometer. A large-vertical-displacement (LVD) MEMS mirror is used to generate large scan range for high spectral resolution. The LVD MEMS mirror is also reflective on both surfaces. The maximum tilting angle of the MEMS mirror is 1.7deg for its entire 1-mm scan range. The combination of a corner-cube retroreflector and dual-reflective...
We report a novel dual-reflective MEMS mirror for full-circumferential-scanning (FCS) (360deg), forward-view endoscopic imaging applications. A unique electrothermal dual-folded-bimorph (DFB) actuator that can generate large rotation angles with a stationary rotation axis is employed. The fabricated devices demonstrate over 90deg mechanical rotation angles at frequencies up to 60 Hz with driving voltages...
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