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2003 Volume 20 Issue 11
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LIU Sheng(刘晟), SUN Jia-Lin(孙家林), SUN Hong-San(孙红三), TAN Xiao-Jing(谭晓靖), SHI Shuo(时硕), GUO Ji-Hua(郭继华), ZHAO Jun(赵钧). 2003: First Overtone Frequency Stimulated Quartz Tuning Fork Used for Shear-Force Scanning Near-Field Optical Microscopy, Chinese Physics Letters, 20(11): 1928-1931.
Citation: LIU Sheng(刘晟), SUN Jia-Lin(孙家林), SUN Hong-San(孙红三), TAN Xiao-Jing(谭晓靖), SHI Shuo(时硕), GUO Ji-Hua(郭继华), ZHAO Jun(赵钧). 2003: First Overtone Frequency Stimulated Quartz Tuning Fork Used for Shear-Force Scanning Near-Field Optical Microscopy, Chinese Physics Letters, 20(11): 1928-1931.
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First Overtone Frequency Stimulated Quartz Tuning Fork Used for Shear-Force Scanning Near-Field Optical Microscopy

  • Key Laboratory of Atomic and Molecular Nanosciences of Education Ministry and Department of Physics,Tsinghua University,Beijing 100084

  • CAAD Laboratory,Tsinghua University,Beijing 100084

  • Available Online: 30/11/2003
  • Fund Project: the National Natural Science Foundation of China under Grant No 10174043 and THSJZ
  • The conventional 32.768 kHz tuning fork is stimulated at its first overtone resonant frequency of ～190 kHz for shear-force distance control.The time constant is measured to be 0.54 ms and it decreases about 40 times faster than that of the fundamental frequency(20.76ms).The cross section of a corn root with a height difference of ～ 3μm is imaged at a scan speed of 12μm/s for 256 × 256 pixels.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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First Overtone Frequency Stimulated Quartz Tuning Fork Used for Shear-Force Scanning Near-Field Optical Microscopy

  • Available Online: 30/11/2003

Abstract: The conventional 32.768 kHz tuning fork is stimulated at its first overtone resonant frequency of ～190 kHz for shear-force distance control.The time constant is measured to be 0.54 ms and it decreases about 40 times faster than that of the fundamental frequency(20.76ms).The cross section of a corn root with a height difference of ～ 3μm is imaged at a scan speed of 12μm/s for 256 × 256 pixels.

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