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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/15308

Title: Second-order nonlinear optical microscopy of spider silk
Authors: Zhao, Yue
Hien, Khuat Thi Thu
Mizutani, Goro
Rutt, Harvey N.
Keywords: SHG microscopy
spider silk
femtosecond laser
Issue Date: 2017-06-09
Publisher: Springer
Magazine name: Applied Physics B
Volume: 123
Number: 6
Start page: Article:188
DOI: 10.1007/s00340-017-6766-z
Abstract: Asymmetric β-sheet protein structures in spider silk should induce nonlinear optical interaction such as second harmonic generation (SHG) which is experimentally observed for a radial line and dragline spider silk by using an imaging femtosecond laser SHG microscope. By comparing different spider silks, we found that the SHG signal correlates with the existence of the protein β-sheets. Measurements of the polarization dependence of SHG from the dragline indicated that the β-sheet has a nonlinear response depending on the directionof the incident electric field. We propose a model of what orientation the β-sheet takes in spider silk.
Rights: This is the author-created version of Springer, Yue Zhao, Khuat Thi Thu Hien, Goro Mizutani, Harvey N. Rutt, Applied Physics B, 123(6), 2017, Article:188. The original publication is available at www.springerlink.com, http://dx.doi.org/10.1007/s00340-017-6766-z
URI: http://hdl.handle.net/10119/15308
Material Type: author
Appears in Collections:c10-1. 雑誌掲載論文 (Journal Articles)

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