Design of a 400 GHz Gyrotron for DNP-NMR Spectroscopy

Author

Agusu, La ; Murase, H. ; Idehara, T. ; Saito, T. ; Mitsudo, S. ; Takahashi, D. ; Fujiwara, T.

Author_Institution

Res. Center for Dev. of Far Infrared Region, Fukui

fYear

2006

fDate

18-22 Sept. 2006

Firstpage

82

Lastpage

82

Abstract

The design of a gyrotron for continuous wave operation at 395 GHz at a power level from several watts to 2 kilowatts is presented. The gyrotron oscillator will be used for development of high sensitive NMR with dynamic nuclear polarization (DNP) method. The gyrotron design is optimized for single mode operation at second harmonic of the electron cyclotron frequency, omega=2omega_c by removing the mode competition with fundamental operations (omega=2omega_c).

Keywords

NMR spectroscopy; dynamic nuclear polarisation; gyrotrons; submillimetre wave oscillators; submillimetre wave tubes; DNP-NMR spectroscopy; dynamic nuclear polarization method; electron cyclotron frequency; frequency 395 GHz; frequency 400 GHz; gyrotron design; gyrotron oscillator; mode competition; single mode operation; Cyclotrons; Design methodology; Design optimization; Electrons; Frequency; Gyrotrons; Nuclear magnetic resonance; Oscillators; Polarization; Spectroscopy;

fLanguage

English

Publisher

ieee

Conference_Titel

Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics, 2006. IRMMW-THz 2006. Joint 31st International Conference on

Conference_Location

Shanghai

Print_ISBN

1-4244-0400-2

Electronic_ISBN

1-4244-0400-2

Type

conf

DOI

10.1109/ICIMW.2006.368290

Filename

4222024