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This WeThis paper reports a MEMS-based Fourier transform spectrometer (FTS) with small size, high resolution, fast sampling and low cost. The MEMS scanning mirror can generate over 300 μm piston motion at 10 Hz with only 7Vpp and maintain a very small tilting less than 0.03°. This high scanning performance is achieved by an innovative three-level ladder actuator design and a unique placement of sixteen...
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...
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