The feedback system of nano-vibration isolation based on tunneling effect

Fan Chen; Xing Fu; Meng-chao Li; Feng-ming Sun

doi:10.1117/12.819563

31 December 2008 The feedback system of nano-vibration isolation based on tunneling effect

Fan Chen, Xing Fu, Meng-chao Li, Feng-ming Sun

Proceedings Volume 7130, Fourth International Symposium on Precision Mechanical Measurements; 71300Q (2008) https://doi.org/10.1117/12.819563
Event: Fourth International Symposium on Precision Mechanical Measurements, 2008, Anhui, China

Abstract

Scanning tunneling microscope (STM), since it appearance has become an essential tool for investigate and fabricate in nano scale. It's required a long-term stability of the tip-sample tunnel junction to maintain the high resolution. Focus on this point, a great deal of effort has been devoted to improve the performance of the stability of the STM working state. The designed system run in a feedback closed-loop by implementing in a digital signal processor(DSP), in which real-time output is calculated through proper control algorithm to response to the environment noise. It shows a good effect in experiment in Nano-vibration isolation.

Citation Download Citation

Fan Chen, Xing Fu, Meng-chao Li, and Feng-ming Sun "The feedback system of nano-vibration isolation based on tunneling effect", Proc. SPIE 7130, Fourth International Symposium on Precision Mechanical Measurements, 71300Q (31 December 2008); https://doi.org/10.1117/12.819563

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