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新型X波段多功能EPR谱仪的设计与性能
贺羽1,2,石致富3,赵新星3,苏陶3,苏吉虎1,2,*()
Design and Performance of a New Multifunction X-band EPR Spectrometer
Yu HE1,2,Zhi-fu SHI3,Xin-Xing ZHAO3,Tao SU3,Ji-hu SU1,2,*()

图2. trEPR谱仪的示意图;微波桥在标准的cw-EPR微波桥基础上改进而来,使用Nd: YAG型脉冲激光器来激发样品;trEPR信号由CRS系统收集
模块说明:控制与读出系统(Control and Readout System)、瞬态EPR微波桥(Microwave Bridge, trEPR part)、微波源(Microwave Source)、功率衰减器(Power Attenuator)、移相器(Phase Shifter)、环行器(Circulator)、低噪声放大器(Low Noise Amplifier)、混频器(Mixer)、肖特基二极管(Schottky Diode)、低噪声射频放大器(Low Noise RF Amplifier)、磁场系统(Magnet)、瞬态EPR谐振腔(trEPR Resonator)、脉冲激光器(Pulse Laser)、光电二极管(Photo Diode)

Fig.2. Schematic diagram of a trEPR spectrometer; The microwave bridge is modified from a standard cw-EPR bridge, a pulsed Nd: YAG laser is equipped to excite the sample; The trEPR signals are collected by the EPR CRS device