Search Results - "Rahiminejad, Sofia"

A Low-Loss Silicon MEMS Phase Shifter Operating in the 550-GHz Band by Rahiminejad, Sofia, Alonso-delPino, Maria, Reck, Theodore, Peralta, Alex, Lin, Robert, Jung-Kubiak, Cecile, Chattopadhyay, Goutam

“…This article presents a low-loss silicon microelectrical mechanical system (MEMS) phase shifter operating in the 500-600 GHz band. The phase shifter consists…”
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Realizing a 140 GHz Gap Waveguide–Based Array Antenna by Low-Cost Injection Molding and Micromachining by Farjana, Sadia, Ghaderi, Mohammadamir, Zaman, Ashraf Uz, Rahiminejad, Sofia, Eriksson, Thomas, Hansson, Jonas, Li, Yinggang, Emanuelsson, Thomas, Haasl, Sjoerd, Lundgren, Per, Enoksson, Peter

“…This paper presents a novel micromachining process to fabricate a 140 GHz planar antenna based on gap waveguide technology to be used in the next-generation…”
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Dry Film Photoresist-Based Microfabrication: A New Method to Fabricate Millimeter-Wave Waveguide Components by Farjana, Sadia, Ghaderi, Mohamadamir, Rahiminejad, Sofia, Haasl, Sjoerd, Enoksson, Peter

“…This paper presents a novel fabrication method based on dry film photoresists to realize waveguides and waveguide-based passive components operating at the…”
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500-750 GHz Contactless Rotating MEMS Single-Pole Double-Throw Waveguide Switch by Rahiminejad, Sofia, van Berkel, Sven, Lin, Robert, Khanal, Subash, Jung-Kubiak, Cecile, Chattopadhyay, Goutam, Rais-Zadeh, Mina

“…This paper presents a Single-Pole Double-Throw MEMS waveguide switch operating at <inline-formula> <tex-math notation="LaTeX">500-750~GHz…”
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A Waveguide-Based Variable Attenuator for Terahertz Applications by Khanal, Subash, Rahiminejad, Sofia, Lee, Choonsup, Kooi, Jacob Willem, Lin, Robert, Chattopadhyay, Goutam

“…This article presents a novel waveguide-based terahertz (THz) variable attenuator, integrated with a piezoelectric motor, to achieve precise and fine step…”
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A 250-310 GHz Piezo-Motor Actuated SPDT Waveguide Switch with High Isolation by van Berkel, Sven, Rahiminejad, Sofia, Lin, Robert, Chattopadhyay, Goutam

“…The design and performance of a sub-Terahertz (THz) single-pole double-throw (SPDT) waveguide switch is presented, operating from <inline-formula><tex-math…”
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Low-Loss Gap Waveguide Transmission Line and Transitions at 220-320 GHz Using Dry Film Micromachining by Farjana, Sadia, Ghaderi, Mohammadamir, Zaman, Ashraf Uz, Rahiminejad, Sofia, Lundgren, Per, Enoksson, Peter

“…This article presents a novel microfabrication technique to manufacture gap waveguide (GW) components operating at submillimeter-wave (sub-mmWave) frequency…”
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MEMS Phase Shifters for THz Beam-Scanning: Demonstration With a 500-600 GHz Phased Array With Leaky-Wave Feeds by van Berkel, Sven, Khanal, Subash, Rahiminejad, Sofia, Jung-Kubiak, Cecile, Eric Maestrini, Alain, Chattopadhyay, Goutam

“…Beam-scanning capabilities for space-borne submillimeter-wave spectrometers are critical for instrument calibration and field-of-view mapping. However, the…”
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Polymer Gap Adapter for Contactless, Robust, and Fast Measurements at 220-325 GHz by Rahiminejad, Sofia, Pucci, Elena, Vassilev, Vessen, Kildal, Per-Simon, Haasl, Sjoerd, Enoksson, Peter

“…Radiation leakages are a considerable problem when measuring waveguide structures at high frequencies. In order to maintain good electrical contact, flanges…”
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A four level silicon microstructure fabrication by DRIE by Rahiminejad, Sofia, Cegielski, Piotr, Abbasi, Morteza, Enoksson, Peter

“…We present a four level Si microstructure fabrication process with depths ranging from 70-400 μm. All four levels are etched from the same side, by using four…”
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Microsystem Technology for Microwave Applications at Frequencies above 100 GHz by Rahiminejad, Sofia

“…The rapid development of wireless technology today shows an increasing need forelectromagnetic components operating at even higher frequencies. Higher…”
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Carbon nanotubes as base material for fabrication of gap waveguide components by Saleem, A.M., Rahiminejad, S., Desmaris, V., Enoksson, P.

“…•Ridge gap resonator has been fabricated using bundles of vertically aligned carbon nanotubes as a base material.•283μm high bundles of vertically aligned…”
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Micromachined ridge gap waveguide and resonator for millimeter-wave applications by Rahiminejad, S., Zaman, A.U., Pucci, E., Raza, H., Vassilev, V., Haasl, S., Lundgren, P., Kildal, P.-S., Enoksson, P.

“…The ridge gap waveguide is a fundamentally new high-frequency waveguide. It does not need any electrical contact between the split blocks which gives it an…”
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Robust MEMS Waveguide Switch for THz Spectroscopy in Space by Rahiminejad, Sofia, Van Berkel, Sven, Lin, Robin H., Jung-Kubiak, Cecile, Chattopadhyay, Goutam, Rais-Zadeh, Mina

“…This paper presents a robust microelectromechanical system (MEMS) waveguide switch operating at 500-600 GHz for water (H 2 O) and hydrodeoxygenation (HDO)…”
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Flat silicon gradient index lens with deep reactive-ion-etched 3-layer anti-reflection structure for millimeter and submillimeter wavelengths by Defrance, Fabien, Jung-Kubiak, Cecile, Gill, John, Rahiminejad, Sofia, Macioce, Theodore, Sayers, Jack, Chattopadhyay, Goutam, Golwala, Sunil R

“…We present the design, fabrication, and characterization of a 100 mm diameter, flat, gradient-index (GRIN) lens fabricated with high-resistivity silicon,…”
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A Waveguide Based Terahertz Variable Attenuator by Khanal, Subash, Rahiminejad, Sofia, Lee, Choonsup, Kooi, Jacob, Lin, Robert, Chattopadhyay, Goutam

“…A variable attenuator is a critical component at microwave and terahertz frequencies to adjust the signal path loss-gain settings in the system. This…”
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A Mems Contactless Rotating Terahertz Waveguide Switch by Rahiminejad, Sofia, Van Berkel, Sven, Lin, Robin H., Jung-Kubiak, Cecile, Chattopadhyay, Goutam, Rais-Zadeh, Mina

“…This paper presents a Single-Pole Double-Throw (SPDT) microelectromechanical system (MEMS) waveguide switch operating at 500-750 GHz. The switch consists of a…”
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A MEMS Microvalve Array For Gas Flow Control by Coskun, M. Bulut, Jung-Kubiak, Cecile, Rahiminejad, Sofia, Toda, Risaku, Shevade, Abhijit, Dickie, Matthew, Gill, John, Rais-Zadeh, Mina

“…This paper reports the design, and characterization of a microvalve array (MV) chip comprising five membranes, microfluidic channels, and inlet/outlet ports…”
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Flat low-loss silicon gradient index lens for millimeter and submillimeter wavelengths by Defrance, Fabien, Jung-Kubiak, Cecile, Rahiminejad, Sofia, Macioce, Theodore, Sayers, Jack, Connors, Jake, Radford, Simon, Chattopadhyay, Goutam, Golwala, Sunil

“…We present the design, simulation, and planned fabrication process of a flat high resistivity silicon gradient index (GRIN) lens for millimeter and…”
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Terahertz Antenna Technologies for Space Science Applications by Chattopadhyay, Goutam, Alonso-delPino, Maria, Jung-Kubiak, Cecile, Reck, Theodore, Lee, Choonsup, Chahat, Nacer, Rahiminejad, Sofia, Gonzalez-Ovejero, David

“…In this review paper we explore different antenna technologies at terahertz frequencies for space science and other applications. We show that the antenna…”
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