Results 261 to 270 of about 44,433 (290)
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2017
Preface Instrumentation and Methods Terahertz Time-Domain Spectroscopy with Photoconductive Antennas R. Alan Cheville Nonlinear Optical Techniques for Terahertz Pulse Generation and Detection-Optical Rectification and Electrooptic Sampling Ingrid Wilke and Suranjana Sengupta Time-Resolved Terahertz Spectroscopy and Terahertz Emission Spectroscopy Jason
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Preface Instrumentation and Methods Terahertz Time-Domain Spectroscopy with Photoconductive Antennas R. Alan Cheville Nonlinear Optical Techniques for Terahertz Pulse Generation and Detection-Optical Rectification and Electrooptic Sampling Ingrid Wilke and Suranjana Sengupta Time-Resolved Terahertz Spectroscopy and Terahertz Emission Spectroscopy Jason
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Terahertz Spectroscopy of Plasmonic Fractals
Physical Review Letters, 2009We use terahertz time-domain spectroscopy to study the transmission properties of metallic films perforated with aperture arrays having deterministic or stochastic fractal morphologies ("plasmonic fractals"), and compare them with random aperture arrays.
A, Agrawal +4 more
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“All air–plasma” terahertz spectroscopy
Optics Letters, 2011We demonstrate terahertz wave generation and detection capabilities up to 6 THz without the need for solid state materials, biased electrodes, or forward propagating signal collection. An "all air-plasma" terahertz system is used to encode explosive material resonant signatures into the 357 nm nitrogen fluorescence line of a bichromatic field-induced ...
Benjamin, Clough +2 more
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Ultrabroadband Terahertz Spectroscopy
2012Low energy region correspond to the Boltzmann thermal energy \( \left( {k_{B} T} \right) \) show condensed matter properties and electric phenomena. Terahertz (THz) spectroscopy technique enables us to access this low energy level excitation including the conductivity of itinerant charges, plasmons and polarons.
Inhee Maeng, Jaeseok Kim, Hyunyong Choi
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Applications of Terahertz Spectroscopy in Biosystems
ChemPhysChem, 2007AbstractTerahertz (THz) spectroscopic investigations of condensed‐phase biological samples are reviewed ranging from the simple crystalline forms of amino acids, carbohydrates and polypeptides to the more complex aqueous forms of small proteins, DNA and RNA.
Plusquellic, David F. +3 more
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Nonlinear Terahertz Spectroscopy
2012Until recently, the pulse energies and field strengths of terahertz (THz) pulses have been too low to be used to excite matter or to study nonlinear effects in the THz range. In this chapter we will describe methods of generation and nonlinear spectroscopies with intense single- and few-cycle THz pulses, reporting the current state of the art.
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Applications of terahertz spectroscopy
2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves, 2009In order to make use of terahertz (THz) spectroscopy technique for homeland security, anti-terrorism, and security inspection, we have examined the applications feasibility of THz spectroscopy to inspect and identify 30 kinds of illicit drugs, 20 kinds of amino acid and 10 kinds of explosives and related compounds (ERCs), respectively.
Cunlin Zhang, Kaijun Mu
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Optics and Spectroscopy, 2013
The spectra of the degraded DNA of herring are studied using two methods of THz spectroscopy that employ a femtosecond laser and a frequency synthesizer based on a BWO and a high-Q cavity. An interpretation of the experimental results is presented.
M. V. Tsurkan +4 more
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The spectra of the degraded DNA of herring are studied using two methods of THz spectroscopy that employ a femtosecond laser and a frequency synthesizer based on a BWO and a high-Q cavity. An interpretation of the experimental results is presented.
M. V. Tsurkan +4 more
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Terahertz Spectroscopy of Superconductors
Advances in Science and Technology, 2010We show how synchrotron radiation (SR) in the terahertz (THz) region provides the possibility to measure the properties of conventional and exotic superconductors in their superconducting state. Indeed, through the coupling of SR and a conventional Michelson interferometer, one can obtain in the THz range a signal-to-noise ratio up to 103.
Stefano Lupi +6 more
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