Title :
460 GHz second harmonic gyrotrons for a 700 MHz DNP-NMR spectroscopy
Author :
Idehara, T. ; Tatematsu, Y. ; Yamaguchi, Yoshio ; Ikeda, Ryohei ; Ogawa, Isamu ; Saito, Takashi ; Matsuki, Y. ; Ueda, Kazunori ; Fujiwara, Toshihito ; Toda, Masayoshi
Author_Institution :
FIR Center, Univ. of Fukui, Fukui, Japan
Abstract :
Development of two 460 GHz second harmonic gyrotrons for 700 MHz DNP-NMR spectroscopy is presented. One gyrotron is frequency-fixed and the other is frequency tunable in the bandwidth of 1.5 GHz. In addition, the former has a function of frequency modulation.
Keywords :
NMR spectroscopy; gyrotrons; harmonic generation; DNP-NMR spectroscopy; frequency 460 GHz; frequency 700 MHz; frequency modulation; frequency tunable; second harmonic gyrotrons; Cavity resonators; Frequency modulation; Gyrotrons; Nuclear magnetic resonance; Spectroscopy; Structural beams;
Conference_Titel :
Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013 38th International Conference on
Conference_Location :
Mainz
DOI :
10.1109/IRMMW-THz.2013.6665482
