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Responsivity and Noise Measurements of Zero-Bias Schottky Diode Detectors
Schottky barrier diodes can be used as direct detectors throughout the millimeterand submillimeterwave bands. When the diodes are optimized to have a low forward turn-on voltage, the detectors canExpand
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THz-Spectroscopy of Biological Molecules
The terahertz frequency absorption spectraof DNA molecules reflect low-frequencyinternal helical vibrations involvingrigidly bound subgroups that are connectedby the weakest bonds, includingExpand
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Submillimeter-wave phonon modes in DNA macromolecules.
A detailed investigation of phonon modes in DNA macromolecules is presented. This work presents experimental evidence to confirm the presence of multiple dielectric resonances in theExpand
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Resonant metal-mesh bandpass filters for the far infrared.
The spectral performance of freestanding resonant metal-mesh bandpass filters operating with center frequencies ranging from 585 GHz to 2.1 THz is presented. These filters are made up of aExpand
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Terahertz sources and detectors and their application to biological sensing
Terahertz spectroscopy has long been used as an important measurement tool in fields such as radio astronomy, physical chemistry, atmospheric studies and plasma research. More recently terahertzExpand
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Submillimeter-wave fourier transform spectroscopy of biological macromolecules
In this article we report experimental results on Fourier-transform infrared spectroscopy of deoxyribonucleic acid (DNA) macromolecules and related biological materials in the submillimeter rangeExpand
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Submillimeter-wave sideband generation using varactor Schottky diodes
A submillimeter-wave sideband generator based on phase modulation is described. The sideband generator consists of a whisker-contacted Schottky varactor mounted in a reduced-height waveguide. AExpand
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Recommendations for Waveguide Interfaces to 1 THz
The existing waveguide interface standards are generally found to be unsatisfactory above 110 GHz. An improved interface is proposed which is backward-compatible with the MIL-DTL-3922/67C standardExpand
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A BROADBAND WAVEGUIDE THERMAL ISOLATOR
This paper describes a new, compact, waveguide thermal isolator. The isolator is based on a recently developed microwave bandgap joint, a periodic structure which suppresses microwave fieldsExpand
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Design and Characterization of 1.8–3.2 THz Schottky-Based Harmonic Mixers
A room-temperature Schottky diode-based WM-86 (WR-0.34) harmonic mixer was developed to build high-resolution spectrometers, and multipixel receivers in the terahertz (THz) region for applicationsExpand
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