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Company Information:

Company Name: Virginia Diodes, Inc.
City: Charlottesville
State: VA
Zip+4: -
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phone: (434) 297-3257

Award Totals:

Program/Phase Award Amount ($) Number of Awards
SBIR Phase I $1,613,254.00 17
SBIR Phase II $7,959,369.00 11

Award List:

Integrated Terahertz Transmit/Receive Modules

Award Year / Program / Phase: 2001 / SBIR / Phase I
Agency / Branch: DOD / ARMY
Principal Investigator: David Porterfield, Dir. Source Development
Award Amount: $120,000.00
Abstract:
The Terahertz frequency band, from roughly 300 GHz through 10 THz, is often sited as the most scientifically rich, yet unexplored region of the electromagnetic spectrum. The major problem that continues to forestall the full exploitation of the terahertzband is the lack of compact, reliable and cost… More

Integrated Terahertz Transmit Receive Modules

Award Year / Program / Phase: 2001 / SBIR / Phase II
Agency / Branch: DOD / ARMY
Principal Investigator: David Porterfield, Vice President
Award Amount: $729,422.00
Abstract:
The Terahertz frequency band, spanning from roughly 100 GHz through 10 THz, is often sited as the most scientifically rich, yet unexplored region of the electromagnetic spectrum. The major problem that has forestalled the full exploitation of thisfrequency band is the lack of convenient and reliable… More

Compact Terahertz Heterodyne Receivers

Award Year / Program / Phase: 2002 / SBIR / Phase I
Agency: NASA
Principal Investigator: Dr. Porterfield, Vice President
Award Amount: $70,000.00
Abstract:
There exists a need for versatile, compact and affordable heterodyne receivers for atmospheric remote sensing from aircraft and space platforms, as well as a host of other scientific, military and commercial applications. In Phase I we will utilize our innovative GaAs-on-dielectric integrated… More

Broadband Terahertz Frequency Multipliers

Award Year / Program / Phase: 2002 / SBIR / Phase II
Agency: NASA
Principal Investigator: Jeffrey L. Hesler, Vice President
Award Amount: $600,000.00
Abstract:
The spectral band from 1 - 5THz contains a wealth of information about the chemistry of the upper atmosphere and the structure and evolution of the Universe. The recent development of superconductive hot electron bolometers (HEBs) has made it possible for NASA to cover this frequency band with… More

Broadband Terahertz Frequency Multipliers

Award Year / Program / Phase: 2002 / SBIR / Phase I
Agency: NASA
Principal Investigator: Jeffrey L. Hesler, Vice President
Award Amount: $70,000.00
Abstract:
The spectral band from 1 - 5THz contains a wealth of information about the chemistry of the upper atmosphere and the structure and evolution of the Universe. The recent development of superconductive hot electron bolometers (HEBs) has made it possible for NASA to cover this frequency band with… More

An all MMIC Replacement for Gunn Diode Oscillators

Award Year / Program / Phase: 2004 / SBIR / Phase I
Agency: NASA
Principal Investigator: David W. Porterfield, Principal Investigator
Award Amount: $70,000.00
Abstract:
We propose to replace the Gunn Diode Oscillators (GDOs) in NASA?s millimeter- and submillimeter-wave sensing instruments. Our new solution will rely on modern and reliable microwave integrated circuit technology. Specifically our systems will use highly developed microwave oscillators to achieve a… More

Compact Submillimeter-Wave Spectrometers for Biological and Chemical Sensing

Award Year / Program / Phase: 2004 / SBIR / Phase I
Agency / Branch: DOD / ARMY
Principal Investigator: David Porterfield, Vice-President
Award Amount: $120,000.00
Abstract:
The goal of this proposal is to develop frequency domain terahertz spectrometers for chemical and biological sensing based on compact and reliable all-solid-state components. VDI's novel integration technology allows full waveguide band performance without mechanical tuners as well as unprecedented… More

High Pulsed Power Varactor Multipliers for Imaging

Award Year / Program / Phase: 2004 / SBIR / Phase I
Agency / Branch: DOC / NIST
Principal Investigator: David Porterfield
Award Amount: $75,000.00
Abstract:
We will focus our diode based multiplier technologies toward achieving a source suitable for the NIST imaging system in the 200 ¿ 400 GHz band. To date our best doubler to 200 GHz generates up to 55 mW of (CW) power with 30% efficiency and 15% (3dB) bandwidth. However, the NIST imaging system… More

Compact Submillimeter-Wave Spectrometers for Biological and Chemical Sensing

Award Year / Program / Phase: 2004 / SBIR / Phase II
Agency / Branch: DOD / ARMY
Principal Investigator: David Kurtz, Research Staff
Award Amount: $729,997.00
Abstract:
The ultimate goal of this research is to create a militarily viable terahertz technology suitable for use in portable spectrometers for point and stand-off detection of explosives and chemical and biological threat agents. To achieve this goal Virginia Diodes will develop a compact and reliable… More

An all MMIC Replacement for Gunn Diode Oscillators

Award Year / Program / Phase: 2005 / SBIR / Phase II
Agency: NASA
Principal Investigator: David W. Porterfield
Award Amount: $600,000.00
Abstract:
The objective of this Phase II project is to develop and demonstrate a compact and reliable oscillator technology for the frequency band from 100 ? 250 GHz for use in terahertz local oscillators and transmitters. The new oscillators rely on MMIC technology that is reliable and robust, offers the… More

Metal Mesh Filters for Terahertz Receivers

Award Year / Program / Phase: 2005 / SBIR / Phase I
Agency: NASA
Principal Investigator: Jeffrey L. Hesler
Award Amount: $70,000.00
Abstract:
The best low-noise receiver solutions for frequencies above about 800 GHz rely on either a low-noise bolometric direct detector or a hot electron bolometric mixer. These receivers yield near quantum limited noise performance and have ultra broad signal bandwidth [ , , ]. However, due to their… More

All-Solid-State Source Technology for Terahertz Applications

Award Year / Program / Phase: 2006 / SBIR / Phase I
Agency / Branch: DOD / DARPA
Principal Investigator: David Kurtz, Senior Research Staff
Award Amount: $99,000.00
Abstract:
VDI will create a solid-state terahertz source for use in research laboratories striving to develop new applications of terahertz technology. The source will allow frequency resolution of better than 1 kHz and transmit power levels of milliwatts at 200 GHz and at least 10 microwatts at 1 THz. The… More

High Reliability Oscillators for Terahertz Systems

Award Year / Program / Phase: 2006 / SBIR / Phase I
Agency: NASA
Principal Investigator: David W. Porterfield, Principal Investigator
Award Amount: $70,000.00
Abstract:
Terahertz sources based on lower frequency oscillators and amplifiers plus a chain of frequency multipliers are the workhorse technology for NASA's terahertz missions. The design and optimization of individual multipliers is fairly well understood. However, the complex interactions within a chain of… More

Metal Mesh Filters for Terahertz Receivers

Award Year / Program / Phase: 2006 / SBIR / Phase II
Agency: NASA
Principal Investigator: Jeffrey L. Hesler, Principal Investigator
Award Amount: $599,950.00
Abstract:
The technical objective of this SBIR program is to develop and demonstrate metal mesh filters for use in NASA's low noise receivers for terahertz astronomy and atmospheric studies. Metal mesh filters, based on a free-standing sheet of metal with a periodic area of apertures, have been used for many… More

Fusion Science and Technology; Diagnostics for Magnetic Fusion Plasma Research

Award Year / Program / Phase: 2007 / SBIR / Phase I
Agency: DOE
Principal Investigator: David W. Porterfield, Dr
Award Amount: $100,000.00
Abstract:
The primary obstacle to greater scientific and commercial exploitation of the terahertz frequency band (spanning from about 100 GHz through 10 THz) is the lack of sources that generate sufficient power, are frequency tunable, and are sufficiently reliable, compact, and affordable. This project will… More

High Reliability Oscillators for Terahertz Systems

Award Year / Program / Phase: 2007 / SBIR / Phase II
Agency: NASA
Principal Investigator: David W. Porterfield, Principal Investigator
Award Amount: $600,000.00
Abstract:
To develop reliable THz sources with high power and high DC-RF efficiency, Virginia Diodes, Inc. will develop a thorough understanding of the complex interactions that occur within a chain of nonlinear frequency multipliers. These nonlinear interactions can cause rapid variations in power as the… More

Materials for Terahertz Detectors

Award Year / Program / Phase: 2008 / SBIR / Phase I
Agency / Branch: DOD / USAF
Principal Investigator: Thomas W. Crowe, Principal Research Staff
Award Amount: $100,000.00
Abstract:
VDI's goal is to use new materials and processing techniques to achieve low barrier diodes that can be used as very sensitive zero-bias detectors and frequency mixers with extremely low local oscillator power requirements. The basic device goals, in terms of the materials study, are to achieve a… More

Schottky Heterodyne Receivers with Full Waveguide Bandwidth

Award Year / Program / Phase: 2008 / SBIR / Phase I
Agency: NASA
Principal Investigator: Jeffrey L. Hesler, Principal Investigator
Award Amount: $100,000.00
Abstract:
This proposal is responsive to NASA SBIR Subtopic S1.03: Passive Microwave Technology, specifically the fourth bullet item; "Low noise (

All-Solid-State Source Technology for Terahertz Applications

Award Year / Program / Phase: 2008 / SBIR / Phase II
Agency / Branch: DOD / DARPA
Principal Investigator: David S. Kurtz, Senior Research Staff
Award Amount: $750,000.00
Abstract:
The terahertz frequency band, spanning from about 100 GHz through 10 THz, is today the most exciting region of the electromagnetic spectrum for scientists and engineers.VDI will create a compact and easy to use terahertz source. VDI's integrated diode circuits will be used to extend the… More

Modular Frequency Extenders for Vector Network Analyzers

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency: DHS
Principal Investigator: Jeffrey L. Hesler
Award Amount: $100,000.00
Abstract:
Modular frequency extenders will be developed for Vector Network Analyzers to extend their frequency range throughout the band from 100 GHz through 1THz with excellent dynamic range (100dB) and the capability for full four port measurements. The extenders will rely on VDI's full waveguide band… More

Schottky Heterodyne Receivers with Full Waveguide Bandwidth

Award Year / Program / Phase: 2009 / SBIR / Phase II
Agency: NASA
Principal Investigator: Jeffrey L. Hesler, Principal Investigator
Award Amount: $600,000.00
Abstract:
This proposal is responsive to NASA SBIR Subtopic S1.03: Passive Microwave Technology, specifically the fourth bullet item; "Low noise (

Active Noise Sources

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency: NASA
Principal Investigator: Jeffrey L. Hesler, Principal Investigator
Award Amount: $100,000.00
Abstract:
Microwave radiometry is a well-known and extremely useful method to study the chemistry and dynamics of the Earth's atmosphere. For accurate long term measurements, the calibration and stability of the radiometer is of primary importance. Thus, the noise-injection radiometer (NIR), which greatly… More

Multi-Band Power Source for ITER Reflectometry

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency: DOE
Principal Investigator: Jeffrey Hesler, Dr.
Award Amount: $100,000.00
Abstract:
The technical requirements for the ITER LFS Reflectometer include a frequency range from 50 ¿ 170 GHz, a source power level of 150mW or more, and a frequency sweeping time of ten microseconds or less. Further, the various frequencies must be coupled simultaneously into a single circular… More

Modular Frequency Extenders for Vector Network Analyzers

Award Year / Program / Phase: 2010 / SBIR / Phase II
Agency: DHS
Principal Investigator: Jeffrey L. Hesler
Award Amount: $750,000.00
Abstract:
  Modular system will be developed to extend the frequency range of Vector Network Analyzers to at least 1 THz. These extenders will offer excellent dynamic range and stability, as well as the capability for fully calibrated measurements. The extenders will rely on innovative full… More

Multi-Band Power Source for ITER Reflectometry

Award Year / Program / Phase: 2010 / SBIR / Phase II
Agency: DOE
Principal Investigator: Jeffrey Hesler, Dr.
Award Amount: $1,000,000.00
Abstract:
The US role in ITER is focused on the key diagnostic instruments, such as the Low Field Side (LFS) Reflectometer. Present concepts for this instrument require an all-solid

Robust and Reliable Receivers for the ITER ECE System

Award Year / Program / Phase: 2011 / SBIR / Phase I
Agency: DOE
Principal Investigator: Jeffrey L. Hesler, Dr. – 434-297-3257
Award Amount: $150,000.00
Abstract:
The ITER ECE Radiometer system is envisioned to cover the frequency range from about 200- 300GHz with a set of three high reliability receivers. Each receiver will use a fixed frequency local oscillator source and a very broad IF bandwidth. The primary technical challenges are achieving flat… More

Robust and Reliable Receivers for the ITER ECE System

Award Year / Program / Phase: 2012 / SBIR / Phase II
Agency: DOE
Principal Investigator: Jeffrey Hesler, Dr. – 434-297-3257
Award Amount: $1,000,000.00
Abstract:
The US role in ITER is focused on the key diagnostic instruments, such as the Electron Cyclotron Emission (ECE) Radiometer. Present concepts for this instrument require a compact and reliable receiver that yields instantaneous coverage of the 200-300GHz frequency range. Presently available… More

Automated trace gas molecular analyzer using rotational spectroscopy

Award Year / Program / Phase: 2013 / SBIR / Phase I
Agency: DOD
Principal Investigator: Jeffrey Hesler, Chief Technology Officer – (434) 297-3257
Award Amount: $99,254.00
Abstract:
VDI and OSU are in a strong position to meet the requirements of this SBIR. Building on a strong foundation of closely related sensor work in the millimeter/submillimeter, we will focus our Phase I efforts on the new challenges of this SBIR topic. The chief new analysis challenge is to provide a… More