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Showing 1-19 of 19 results

  1. Terahertz Spectroscopy for Explosive, Pharmaceutical, and Biological Sensing Applications

    Terahertz (THz) radiation offers innovative sensing technologies that can provide information unavailable through other conventional electromagnetic...
    Hai-Bo Liu, **-Cheng Zhang in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  2. Terahertz Time-Domain Spectroscopy of Crystalline and Aqueous Systems

    There is a fundamental difference between the dielectric spectra of crystalline systems as well as amorphous and liquid systems in the THz range....
    Peter Uhd Jepsen, Hannes Merbold, ... Stewart Clark in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  3. Applied Terahertz Science: The Technology of the Future, and Always Will Be?

    It is now over a decade since the first papers were published on Terahertz (THz) pulsed imaging. Much was then claimed for this field, and many...
    Martyn Chamberlain in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  4. Terahertz Rays to Detect Drugs of Abuse

    We have developed compact THz-wave parametric generators with different characteristics that operate at room temperature. One generates high energy...
    Kodo Kawase, Adrian Dobroiu, ... Chiko Otani in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  5. Terahertz Communications: A 2020 vision

    We discuss basic considerations for potential short-range THz communication systems which may replace or supplement present WLAN systems in 10–15...
    Martin Koch in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  6. Terahertz Emission from Semiconductors Excited by Ultrafast Laser Pulses

    Various physical mechanisms leading to terahertz (THz) emission from semiconductor surfaces illuminated by femtosecond laser pulses are analyzed....
    Arunas Krotkus, R. Adomavičius, Vitaly Malevich in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  7. Development of Tagless Biosensors for Detecting the Presence of Pathogens

    The vibrational modes corresponding to protein tertiary structural motion lay in the far-infrared or terahertz (THz) frequency range. These...
    **g–Yin Chen, Joseph R. Knab, ... Andrea G. Markelz in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  8. Towards Superlattice Terahertz Amplifiers and Lasers

    We describe our work towards THz sources which employ the “Bloch gain”, a stimulated-emission mechanism which has been predicted as early as 1971 to...
    Alvydas Lisauskas, Ernst Mohler, ... Nataliya V. Demarina in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  9. Improvements to Electronic Techniques for Terahertz Spectroscopic Detection

    Spectroscopic imaging with terahertz (THz) or submillimeterwave (SMM) sources holds great promise for both defense and dual-use applications, such as...
    Daniel W. van der Weide, Alan D. Bettermann, ... John Grade in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  10. Terahertz Detection of Illegal Objects

    This paper describes the main parameters – contrast, spatial resolution, and thermal sensitivity – which define the performance of any stand-off...
    Roger Appleby, Peter R. Coward, Gordon N. Sinclair in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  11. Systems Requirements for A Multi-Channel Terahertz Contraband Scanner

    The direct use of terahertz (THz) spectral features in screening for explosives, drugs, and other contraband is limited since adjacent materials may...
    William S. Truscott in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  12. Guided Propagation of Terahertz Pulses on Metal Wires

    We demonstrate a new waveguiding structure for terahertz (THz) radiation, in which broadband THz pulses are confined and guided along a bare metal...
    Kanglin Wang, Daniel M. Mittleman in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  13. Molecular and Organic Interactions

    We review a selection of recent technological advances in terahertz frequency time-domain spectroscopy. We discuss the coherent generation of...
    A. G. Davies, E. H. Linfield in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  14. Challenges to Terahertz Counter-Terrorism and Security-Related Applications

    Since early 2002, HMGCC has been monitoring developments in Terahertz (THz) technology in government, academia, and industry, as applied to...
    Howard Cummins in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  15. Terahertz Beam Interactions with Amorphous Materials

    Terahertz (THz) time-domain spectroscopy (TDS) is used to study two types of amorphous materials: glasses and polymers. The theory of far-infrared...
    Mira Naftaly, Robert E. Miles in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  16. Superlattice and Other Negative-Differential-Resistance Devices: Current Status

    The paper discusses and compares the concepts, performance potential, and most recent experimental results of both classical and novel active...
    Heribert Eisele in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  17. Terahertz Generation by Multiplication

    We report on the status of symmetric varactor diode multipliers for signal generation in the terahertz frequency range. The progress and basic...
    Jan Stake, Tomas Bryllert, ... Josip Vukusic in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  18. Continuous-Wave Terahertz Photomixer Systems for Real-World Applications

    The terahertz (THz) region is beginning to be exploited for many “real world” applications. The development of pulsed photoconductive THz generation...
    Ian S. Gregory, Hideaki Page, Lee Spencer in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007

  19. Tailoring the Emission of Terahertz Quantum Cascade Lasers

    For THz quantum cascade lasers to prove useful for applications, certain requirements for their spectral performance will have to be met. Here, we...
    Richard Green, Lukas Mahler, ... David Ritchie in Terahertz Frequency Detection and Identification of Materials and Objects
    Conference paper 2007
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