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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 have implemented a THz source based on intracavity difference frequency generation in stacked GaP plates as an output coupler of an optical parametric oscillator. The total THz output peak power approaches 200 W.
We show that a multi-layer microstructure consisting of stacked rectangular ring resonators exhibit characteristics of broadband stopband filters having a bandwidth of 1.1 THz and a quality factor of 1.6.
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