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Imaging with the MEMS-tunable doublet

Using MEMS Capacitive Switches in Tunable RF Amplifiers

Using MEMS Capacitive Switches in Tunable RF Amplifiers

... A MEMS capacitive switch suitable for use in tunable RF amplifiers is ...A MEMS switch is designed, fabricated, and characterized with physical and RF measurements for inclusion in ...the MEMS ...

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Elastometric device for tunable imaging

Elastometric device for tunable imaging

... Elastometric device for tunable imaging Abstract An optical micro-electro-mechanical systems (MEMS) structure is provided. The structure includes an elastomer membrane, a plurality of polymer fibers ...

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DESIGN AND ANALYSIS OF A 3-BIT RF MEMS TUNABLE CAPACITOR

DESIGN AND ANALYSIS OF A 3-BIT RF MEMS TUNABLE CAPACITOR

... A three-bit packaged RF MEMS varactor has been designed and fabricated; its characteristics have been measured and analyzed. It provides a linear step change in capacitance in the range of 0.64-1.41 pF with ...

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Investigation and Comparison of Two Movable Plates Electrostatic MEMS Tunable Capacitors

Investigation and Comparison of Two Movable Plates Electrostatic MEMS Tunable Capacitors

... plate MEMS tunable capacitor is introduced by Young and Bose in 1996 [12] which consists of two plate with dimensions of the 200  200 µm 2 , a height of ...plate tunable capacitors are designed, ...

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Advances in Filter Miniaturization and Design/Analysis of RF MEMS Tunable Filters

Advances in Filter Miniaturization and Design/Analysis of RF MEMS Tunable Filters

... a tunable filter with variable cen- ter ...[11]. Tunable filters are very important for such applications since they replace the use of a switched filter bank with a single ...component. Tunable ...

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Design of Direct Exponential Observers for Fault Detection of Nonlinear MEMS Tunable Capacitor

Design of Direct Exponential Observers for Fault Detection of Nonlinear MEMS Tunable Capacitor

... In this paper, a novel method is proposed for construction of an observer for nonlinear systems. The method is based on direct solution of dynamic error without any linearizing of nonlinear terms. Stability of the ...

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ESD testing and combdrive snap-in in a MEMS tunable grating under shock and vibration

ESD testing and combdrive snap-in in a MEMS tunable grating under shock and vibration

... In this work, we use a Human Body Model (HBM) based tester integrated with a Laser Doppler Vibrometer (LDV) to track the dynamics for a range of ESD voltages showing how the transient displacement evolves with increasing ...

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Tunable Band-Pass Filter Using RF MEMS Capacitance and Transmission Line

Tunable Band-Pass Filter Using RF MEMS Capacitance and Transmission Line

... 5. CONCLUSION We have presented a tunable band-pass filter design with transmission line and MEMS capacitances. Parallel plate capacitances were used as series and shunt capacitance and fabricated using ...

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Polarization investigation of a tunable high-speed short-wavelength bulk-micromachined MEMS-VCSEL

Polarization investigation of a tunable high-speed short-wavelength bulk-micromachined MEMS-VCSEL

... To be able to control the state of polarization, the introduced anisotropy must of course be stronger than the inherent anisotropy of the device. 5 For non-tunable VCSELs some polarization controllling techniques ...

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MEMS-based Tunable Optical Filter Arrays for Nano-Spectrometer in the Visible Spectral Range

MEMS-based Tunable Optical Filter Arrays for Nano-Spectrometer in the Visible Spectral Range

... The tunable filters with Si 3 N 4 /SiO 2 -DBRs and air gap cavities have been successfully fabricated. Low cost deposition method, the PECVD, was used to produced the dielec- tric mirrors. An investigation on the ...

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Linearly Tunable RF-MEMS Capacitors Implemented Using An Integrated Removable Self-Masking Technique

Linearly Tunable RF-MEMS Capacitors Implemented Using An Integrated Removable Self-Masking Technique

... 1.6 Integrated Removable Self-Masking Technique for Metallization Presented is a novel masking technique that enables the complex patterning of metal on any layer of a released MEMS chip. This masking and ...

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Optical MEMS devices for compact 3D surface imaging cameras

Optical MEMS devices for compact 3D surface imaging cameras

... 3D imaging was achieved by introducing the scanning MEMS mirror with additional modulation or diffraction generation from laser transmission through micro grating struc- ...tures. MEMS-based ...

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Imaging the Zigzag Wigner Crystal in Confinement-Tunable Quantum Wires

Imaging the Zigzag Wigner Crystal in Confinement-Tunable Quantum Wires

... with tunable confinement potential and carrier density, the strictly 1D Wigner crystal will first evolve into a zigzag Wigner crystal wherein the relative motion of the two coupled chains is locked, and then ...

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Tunable electro-optic thin film stack for hyperspectral imaging

Tunable electro-optic thin film stack for hyperspectral imaging

... CHAPTER 6. Improving electro-optic response of H-PDLC This chapter focuses on improving the electro-optic response of thiolene and acrylate based Polymer Dispersed Liquid Crystals in both unpatterened (PDLC) and ...

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TuLUMIS - a tunable LED-based underwater multispectral imaging system

TuLUMIS - a tunable LED-based underwater multispectral imaging system

... improvement on the spectral discrimination ability of TuLUMIS. In addition, optical filters based on Fabry-Pérot interferometer design could provide sharp separation between spectral adjacent LEDs but at the cost of ...

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RF MEMS Based Half Mode Bowtie Shaped Substrate Integrated Waveguide Tunable Bandpass Filter

RF MEMS Based Half Mode Bowtie Shaped Substrate Integrated Waveguide Tunable Bandpass Filter

... a tunable filter, utilizing additional inductive via posts connecting/disconnecting the bowtie-shaped HMSIW resonators with onboard RF MEMS ...designed tunable bandpass filter, and the filter has ...

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High-speed ultra-broad tuning MEMS- VCSELs for imaging and spectroscopy

High-speed ultra-broad tuning MEMS- VCSELs for imaging and spectroscopy

... systems tunable vertical-cavity surface-emitting lasers ...widely tunable swept source for OCT, that was capable of variable sweep rates from the kHz range up to the MHz range with >100nm ...anatomic ...
Evaluation of Pixel-scale Tunable Fabry-Perot Filters for Optical Imaging

Evaluation of Pixel-scale Tunable Fabry-Perot Filters for Optical Imaging

... 1.3. Current Tunable Fabry-Perot Filter Technology flective mirrors, which decreases the optical efficiency of the FPI structure. A drawback is that the spacing between electrodes and reflectors is identical, ...

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Quantitative thermal imaging using single-pixel Si APD and MEMS mirror

Quantitative thermal imaging using single-pixel Si APD and MEMS mirror

... thermal imaging compared to what is currently possible with conventional focal-plane array thermal ...thermal imaging cameras for quantitative thermal imaging, primarily due to SSE issues, are well ...

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MEMS

MEMS

... CSEIT184523 | Published - 14 April 2018 | March-April-2018 [ (4 ) 5 : 192-201] 199 Figure 3. Free space optical network utilizing the CCR based passive uplink The figure illustrates free space optical network utilizing ...

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