DEVELOPMENT OF TIMING DISTRIBUTION SYSTEM WITH FEMTO-SECOND STABILITY
DEVELOPMENT OF TIMING DISTRIBUTION SYSTEM WITH FEMTO-SECOND STABILITY
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发表时间：
2011
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通讯作者：
T. Naito;K. Ebihara;S. Nozawa;N. Terunuma;J. Urakawa;M. Amemiya;T. Suzuyama;T. Watabe
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作者：
T. Naito;K. Ebihara;S. Nozawa;N. Terunuma;J. Urakawa;M. Amemiya;T. Suzuyama;T. Watabe
开发了具有飞秒稳定性的定时分配系统，用于加速器的射频同步和泵浦探测实验的激光同步。该系统使用相位稳定光纤（PSOF）和有源光纤长度稳定装置。 PSOF 的温度系数为 5ps/km/degC。主动光纤长度稳定采用往返正弦波的相位检测，并通过光纤拉伸器补偿偏差。在本文中，我们展示了使用 900m 长 PSOF 对 2.856GHz 和 1.3GHz RF 信号进行信号传输的测试结果。 2.856GHz和1.3GHz信号传输的稳定性分别为0.04度（40fs）和0.06度（130fs）。
A timing distribution system with femto-second stability has been developed for the RF synchronization of accelerator and the laser synchronization of the pumpprobe experiments. The system uses a phase stabilized optical fiber(PSOF) and an active fiber length stabilization. The PSOF has 5ps/km/degC of the temperature coefficient. The active fiber length stabilization uses the phase detection of the round-trip sinusoidal wave and the deviation is compensated with the fiber stretcher. In this paper, we present the test results of the signal transmission using a 900m long PSOF for 2.856GHz and 1.3GHz RF signals. The stabilities of 2.856GHz and 1.3GHz signal transmission were 0.04degree(40fs) and 0.06degree(130fs), respectively.