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Journal of Physical Chemistry B, ISSN 1520-6106, 08/2017, Volume 121, Issue 34, pp. 8132 - 8141
A principal advantage of magic angle spinning (MAS) NMR spectroscopy lies in its ability to determine molecular structure in a noninvasive and quantitative... 
ANGLE-SPINNING NMR | GLASSY MATRIX | DISPERSIONS | MAGNETIC-RESONANCE-SPECTROSCOPY | SOLID-STATE NMR | DNP | HIGH-FREQUENCY | SENSITIVITY | CHEMISTRY, PHYSICAL | NATURAL ISOTOPIC ABUNDANCE | MEMBRANE-PROTEINS
Journal Article
IEEE Transactions on Plasma Science, ISSN 0093-3813, 10/2014, Volume 42, Issue 10, pp. 3358 - 3364
We present a novel, relatively simple method for determining the mode content of the linearly polarized modes of a corrugated waveguide using the moments of... 
Couplings | waveguide modes | irradiance moments and phase retrieval | Gyrotrons | quasi-optical beam | Apertures | Transmission line measurements | Corrugated waveguide | Mathematical model | Optical waveguides | Equations | INTENSITY MEASUREMENTS | CROSS-SECTIONS | PHASE RETRIEVAL | PHYSICS, FLUIDS & PLASMAS | BEAMS | TRANSMISSION-LINES | ITER
Journal Article
Optics Communications, ISSN 0030-4018, 07/2005, Volume 251, Issue 4-6, pp. 346 - 360
The fields for the fundamental H mode are evaluated in a rectangular waveguide filled with plasma under the effect of external static magnetic field applied... 
Fundamental H10 mode | Plasma filled waveguide | Electron trajectory | mode | Fundamental H | electron trajectory | MAGNETOPLASMA | fundamental H-10 mode | OPTICS | plasma filled waveguide | ELECTROMAGNETIC-WAVES | PROPAGATION | Waveguides | Plasma physics | Magnetic fields | Analysis | Nuclear physics
Journal Article
IEEE Transactions on Plasma Science, ISSN 0093-3813, 05/2014, Volume 42, Issue 5, pp. 1128 - 1134
Journal Article
IEEE Transactions on Plasma Science, ISSN 0093-3813, 06/2012, Volume 40, Issue 6, pp. 1530 - 1537
Journal Article
Journal of Magnetic Resonance, ISSN 1090-7807, 11/2012, Volume 224, pp. 1 - 7
► DNP at 700 MHz/460 GHz. ► Magic angle spinning enhancements of |40|. ► Instrumentation for 460 GHz ( = 0.65 mm) and low temperatures. We describe the design... 
Sensitivity | Magic angle spinning | Instrumentation | Dynamic nuclear polarization | Nuclear magnetic resonance | TOTAPOL | Low temperatures
Journal Article
2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), ISSN 2162-2027, 09/2014, pp. 1 - 2
A 527 GHz gyrotron has been designed and built for an 800 MHz DNP-NMR spectrometer. The gyrotron is designed at the second harmonic (ω=2 ω c ) of the electron... 
Spectroscopy | Polarization | Gyrotrons | Superconducting magnets | Harmonic analysis | Magnetic fields | Assembly
Conference Proceeding
2014 39th International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz), ISSN 2162-2027, 09/2014, pp. 1 - 2
We present a novel method for calculating the linearly polarized mode contents in an overmoded corrugated waveguide. The proposed method is based on... 
Couplings | Power transmission lines | Accuracy | Gyrotrons | Apertures | Transmission line measurements | Method of moments
Conference Proceeding
IEEE International Vacuum Electronics Conference, 04/2014, pp. 431 - 432
High power gyrotrons utilize high order TE cavity modes that must be converted to a Gaussian beam that is matched to a corrugated transmission line that... 
HE 11 mode | Couplers | gyrotron | Radio frequency | Geometry | corrugated waveguide | internal coupler | high order TE mode | Gyrotrons | Propagation losses | Cavity resonators | Mirrors | hot test
Conference Proceeding
2007 Joint 32nd International Conference on Infrared and Millimeter Waves and the 15th International Conference on Terahertz Electronics, ISSN 2162-2027, 09/2007, pp. 702 - 703
This paper describes a thorough analysis made with the Iterative error-reduction approach (IERA) for the determination of phase profiles of the output... 
Phase measurement | Partial differential equations | Reconstruction algorithms | Coaxial components | Gyrotron | Microwave measurements | Image reconstruction | Phase Retrieval | Gyrotrons | Frequency | Iterative methods | Infrared Imaging | Microwave propagation | Millimeter wave | Phase retrieval | Infrared imaging
Conference Proceeding
2011 International Conference on Infrared, Millimeter, and Terahertz Waves, ISSN 2162-2027, 10/2011, pp. 1 - 2
Corrugated waveguide made with a tap can significantly lower fabrication costs. A 330 GHz, 19 mm i.d., 4.5 m long brass circular waveguide was tapped and... 
Power transmission lines | Shape | Rectangular waveguides | Conductivity | Transmission line measurements | Propagation losses | Loss measurement
Conference Proceeding
Journal of Magnetic Resonance, ISSN 1090-7807, 10/2019, Volume 307, p. 106573
We describe the design and construction of a modular, triple-resonance, fully balanced, DNP-MAS probe based on transmission line technology and its integration... 
Novel probe design | Solid state DNP | Balanced transmission line probe | NMR probe characterization | ANGLE-SPINNING NMR | GYROTRON | PROTEIN | BIOCHEMICAL RESEARCH METHODS | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | ROTATIONAL RESONANCE | SOLID-STATE | DYNAMIC NUCLEAR-POLARIZATION | SPECTROSCOPY | MAGNETIC-RESONANCE | SCHIFF-BASE | EFFICIENT
Journal Article
Applied Physics Letters, ISSN 0003-6951, 12/2017, Volume 111, Issue 23, p. 233504
We report the amplification of 250 GHz pulses as short as 260 ps without observation of pulse broadening using a photonic-band-gap circuit gyrotron... 
PHYSICS, APPLIED | DYNAMIC NUCLEAR-POLARIZATION | Physics - Applied Physics | NUCLEAR PHYSICS AND RADIATION PHYSICS | Device Physics
Journal Article
IVESC 2012, 04/2012, pp. 205 - 206
We describe the design of a 20W, continuous wave 527 GHz gyrotron for Dynamic Nuclear Polarization (DNP) enhanced solid state Nuclear Magnetic Resonance (NMR)... 
Electron cyclotron frequency | Polarization | Gyrotrons | Harmonic analysis | Mode converter | Cavity resonators | Dynamic Nuclear Polarization | Nuclear magnetic resonance | Magnetic fields | Cyclotrons
Conference Proceeding
2011 International Conference on Infrared, Millimeter, and Terahertz Waves, ISSN 2162-2027, 10/2011, pp. 1 - 2
We report on the design studies of a >;20W, continuous wave 527 GHz gyrotron for the Dynamic Nuclear Polarization (DNP) enhanced solid state Nuclear Magnetic... 
Polarization | Harmonic analysis | Cavity resonators | Nuclear magnetic resonance | Magnetic fields | Gyrotrons
Conference Proceeding
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