Detection of picometer scale vibration based on the microsphere near-field probe
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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Yn: Measurement, Cyfrol 242, Rhif Part A, 115892, 01.01.2025.
Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
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T1 - Detection of picometer scale vibration based on the microsphere near-field probe
AU - Yao, Linzhi
AU - Lu, Yan
AU - Yue, Liyang
AU - Wang, Yunkai
AU - Cong, Zhicheng
AU - Sun, Yu
AU - Dong, Taiji
AU - Jiang, Chunlei
AU - Wang, Zengbo (James )
PY - 2024/10/9
Y1 - 2024/10/9
N2 - We introduce an innovative vibration detection method utilizing a microsphere near-field probe, affixed to an optical fiber probe. Notably, when the microsphere probe is positioned at a distance of approximately 100 nm from the vibrating objects, it exhibits a substantial increase in detection sensitivity, enabling the detection vibration as small as 5 pm. This enhancement arises from the strong near-field interaction between the sample and probe, where the evanescent wave dominates. This effect is confirmed for the first-time through both theoretical analysis and experimental validation. This innovative probe has great potential for applications in cellular acoustics, vibrational detection of biomolecules and their complexes, in situ measurements, and imaging of microstructures and nanostructures.
AB - We introduce an innovative vibration detection method utilizing a microsphere near-field probe, affixed to an optical fiber probe. Notably, when the microsphere probe is positioned at a distance of approximately 100 nm from the vibrating objects, it exhibits a substantial increase in detection sensitivity, enabling the detection vibration as small as 5 pm. This enhancement arises from the strong near-field interaction between the sample and probe, where the evanescent wave dominates. This effect is confirmed for the first-time through both theoretical analysis and experimental validation. This innovative probe has great potential for applications in cellular acoustics, vibrational detection of biomolecules and their complexes, in situ measurements, and imaging of microstructures and nanostructures.
U2 - 10.1016/j.measurement.2024.115892
DO - 10.1016/j.measurement.2024.115892
M3 - Article
VL - 242
JO - Measurement
JF - Measurement
SN - 0263-2241
IS - Part A
M1 - 115892
ER -