Strongly driven electron spins using a Ku band stripline electron paramagnetic resonance resonator

被引：11
|
作者：
Yap, Yung Szen [1 ]
Yamamoto, Hiroshi [1 ]
Tabuchi, Yutaka [2 ]
Negoro, Makoto [1 ]
Kagawa, Akinori [1 ]
Kitagawa, Masahiro [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
[2] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo 1138654, Japan
来源：
JOURNAL OF MAGNETIC RESONANCE | 2013年 / 232卷
关键词：
EPR; ESR; Resonator; Stripline; Rabi frequency; Spin excitation; Spin nutation; Rabi oscillation; PLANAR MICROCOIL; NMR; EPR; PELDOR; SPECTROSCOPY; DIAMOND; SAMPLES; PULSE;
D O I：
10.1016/j.jmr.2013.04.015
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
This article details our work to obtain strong excitation for electron paramagnetic resonance (EPR) experiments by improving the resonator's efficiency. The advantages and application of strong excitation are discussed. Two 17 GHz transmission-type, stripline resonators were designed, simulated and fabricated. Scattering parameter measurements were carried out and quality factor were measured to be around 160 and 85. Simulation results of the microwave's magnetic field distribution are also presented. To determine the excitation field at the sample, nutation experiments were carried out and power dependence were measured using two organic samples at room temperature. The highest recorded Rabi frequency was rated at 210 MHz with an input power of about 1 W, which corresponds to a pi/2 pulse of about 1.2 ns. (C) 2013 Elsevier Inc. All rights reserved.
引用
收藏
页码：62 / 67
页数：6
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