Image (IMAGE) Higher Education Press Caption Longitudinal profile of the Si waveguide including the CLIPP equivalent electric model and the impedance read-out system, consisting of a low-noise TIA with feedback resistance RF and a lock-in demodulator with bandwidth LBW Credit Guangze Wu, Yuanjian Wan, Zhao Wang, Xiaolong Hu, Jinwei Zeng, Yu Zhang, Jian Wang Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.