Literature DB >> 26026544

Experimental tests of a 263 GHz gyrotron for spectroscopic applications and diagnostics of various media.

M Yu Glyavin1, A V Chirkov1, G G Denisov1, A P Fokin1, V V Kholoptsev1, A N Kuftin1, A G Luchinin1, G Yu Golubyatnikov1, V I Malygin1, M V Morozkin1, V N Manuilov1, M D Proyavin1, A S Sedov1, E V Sokolov2, E M Tai2, A I Tsvetkov1, V E Zapevalov1.   

Abstract

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 spectroscopic applications, was realized in the low current 14 kV/0.02 A regime. The possibility of frequency tuning by variation of the coolant temperature about 4 MHz/1 °C was demonstrated. The spectral width of the gyrotron radiation was about 10(-6).

Entities:  

Year:  2015        PMID: 26026544     DOI: 10.1063/1.4921322

Source DB:  PubMed          Journal:  Rev Sci Instrum        ISSN: 0034-6748            Impact factor:   1.523


  2 in total

1.  Second Harmonic 527-GHz Gyrotron for DNP-NMR: Design and Experimental Results.

Authors:  Sudheer K Jawla; Robert G Griffin; Ivan A Mastovsky; Michael A Shapiro; Richard J Temkin
Journal:  IEEE Trans Electron Devices       Date:  2019-12-10       Impact factor: 2.917

2.  High-power sub-terahertz source with a record frequency stability at up to 1 Hz.

Authors:  Andrey Fokin; Mikhail Glyavin; German Golubiatnikov; Lev Lubyako; Mikhail Morozkin; Boris Movschevich; Alexander Tsvetkov; Gregory Denisov
Journal:  Sci Rep       Date:  2018-03-12       Impact factor: 4.379

  2 in total

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