Dynamic nuclear polarization (DNP) is a technique that permits the sensitivity of nuclear
magnetic resonance (NMR) experiments to be enhanced by a factor of (γ e/γ n) where the γ's …

This paper presents a review of the experimental achievements related to the development
of high-power gyrotron oscillators for long-pulse or CW operation and pulsed gyrotrons for …

Dynamic nuclear polarization (DNP) has emerged as a powerful sensitivity booster of
nuclear magnetic resonance (NMR) spectroscopy for the characterization of biological …

Recent hot test details and inspiring results of the W-band lossy-dielectric-loaded gyrotron
traveling-wave tube (gyro-TWT) developed at the University Electronic Science and …

Overall design and cold test of a G-band gyrotron traveling-wave tube (gyro-TWT) amplifier
are presented. This gyro-TWT aims at achieving a goal of 10-kW pulse output power in the …

Magic angle spinning (MAS) nuclear magnetic resonance (NMR) has evolved significantly
over the past three decades and established itself as a vital tool for the structural analysis of …

The past several decades have seen a renewed and growing interest in solid-state dynamic
nuclear polarization (DNP) enhanced nuclear magnetic resonance (NMR) spectroscopy for …

The scope of this Perspective is to analytically describe NMR hyperpolarization by the three-
spin cross effect (CE) dynamic nuclear polarization (DNP) using an effective Hamiltonian …

Dynamic nuclear polarization1, 2 (DNP) is one of the hyperpolarization techniques used to
enhance the sensitivity of NMR experiments by transferring polarizations from unpaired …

In the hot test of our G-band (0.21–0.23 THz) TE 01-mode gyrotron traveling wave tube (gyro-
TWT), the beam current was increased from 3.0 to 3.9 A to obtain a higher gain and output …