Glyavin, M.Y., et al., Experimental tests of a 263 GHz gyrotron for spectroscopic applications and diagnostics of various media. Review of Scientific Instruments, 2015. 86(5): p. 054705.
A 263 GHz continuous-wave (CW) gyrotron was developed at the IAP RAS for future applications as a microwave power source in Dynamic Nuclear Polarization / Nuclear magnetic resonance(DNP/NMR) spectrometers. A new experimental facility with a computerized control was built to test this and subsequent gyrotrons. We obtained the maximum CW power up to 1 kW in the 15 kV/0.4 A operation regime. The power about 10 W, which is sufficient for many spectroscopicapplications, was realized in the low current 14 kV/0.02 A regime. The possibility of frequencytuning by variation of the coolant temperature about 4 MHz/1 °C was demonstrated. The spectral width of the gyrotron radiation was about 10-6.
NASIC Workshop on Modern Spectroscopic Techniques and their Applications in Structure Determination is
NASIC Workshop on Modern Spectroscopic Techniques and their Applications in Structure Determination is
http://www.spectroscopynow.com/common/images/thumbnails/no_img.gifDuring the workshop, concept and applications of following spectroscopic techniques will be presented. Concept and applications of NMR spectroscopy, Mass spectrometry, Fluorescence Spectroscopy, Atomic Force Microscopy (AFM), FT-IR, UV-Vis, Imaging, X-Ray diffraction, Microscopy and other spectroscopic techniques.
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08-20-2014 02:06 PM
First tests of a 527 GHz gyrotron for dynamic nuclear polarization
From The DNP-NMR Blog:
First tests of a 527 GHz gyrotron for dynamic nuclear polarization
Felch, K., et al. First tests of a 527 GHz gyrotron for dynamic nuclear polarization. in Vacuum Electronics Conference (IVEC), 2013 IEEE 14th International. 2013.
http://dx.doi.org/10.1109/IVEC.2013.6571048
[NMR paper] Sensitivity improvement in 19F NMR-based screening experiments: theoretical considerations and experimental applications.
Sensitivity improvement in 19F NMR-based screening experiments: theoretical considerations and experimental applications.
Related Articles Sensitivity improvement in 19F NMR-based screening experiments: theoretical considerations and experimental applications.
J Am Chem Soc. 2005 Sep 28;127(38):13380-5
Authors: Dalvit C, Mongelli N, Papeo G, Giordano P, Veronesi M, Moskau D, Kümmerle R
NMR-based binding and functional screening performed with FAXS (fluorine chemical shift anisotropy and exchange for screening) and 3-FABS (three fluorine atoms...