The design and characterization of a tip control unit for an apertureless scanning near field optical microscope (ASNOM) is reported. To make the instrument operation easier, the cantilever control parts (piezo excitation of the cantilever vibration for the dynamic mode feedback and the parts necessary for the optical lever scheme of the vibration control) were placed in a separate detachable assembly. To suppress the influence of vibrations of the setup, the assembly was made lightweight. Good optical access to the ASNOM tip from various directions is provided in the system. High long-term mechanical stability of the system (~50 nm lateral drift in 18 hours) as well as low sensitivity to seismic vibrations (~400 pm RMS) is demonstrated. It is shown that external sound is not a main source of noise in the topography image (~200 pm RMS). The light field distribution (with its amplitude and phase) around the ASNOM tip was acquired by scanning the focal spot around the tip, and a high optical quality of the system is demonstrated.
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机译:美丽的治疗 - 利用你的身体自然防御D. M. Davis Bodley Head,2018年。 260页,包括53页,备注和指数美丽的固化 - 利用你的身体自然防御,美丽的治疗方法 - 利用你的身体的自然防御D. M. Davis D. M. D. M. Davis Davis Bodley Head Bodley Head,2018年。 260页,包括在笔记和索引上的53页
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