Nondestructive measurement of nanofiber diameters using a microfiber tip
Posted on 2018-11-14 - 18:20
We demonstrate a convenient and simple method to determine nanofiber diameters nondestructively using a hemispherical microfiber tip probe. For a fixed tip geometry and working wavelength, the scattering losses of nanofiber transmission induced by the tip are a function of the nanofiber diameter, while being insensitive to the alignment. Therefore, the nanofiber diameter can be estimated based on the measured nanofiber transmittance and the loss-diameter relationship obtained by three-dimensional numerical simulations. The method is experimentally demonstrated with a diameter measurement precision of 9.8 nm (1.5% of the measured diameter), and the results agree with those obtained by other methods. Such a nondestructive near-field probe approach offers a reliable and convenient technique for determining nanofiber diameters, with applications ranging from optical sensing to quantum optics to quantum information processing.
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Zhang, Pengfei; cheng, Fan; Wang, Xin; Song, Lijun; Zou, Chang-Ling; Li, Gang; et al. (2018). Nondestructive measurement of nanofiber diameters using a microfiber tip. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4268696.v1
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AUTHORS (7)
PZ
Pengfei Zhang
Fc
Fan cheng
XW
Xin Wang
LS
Lijun Song
CZ
Chang-Ling Zou
GL
Gang Li
TZ
Tiancai Zhang