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丝纤维纤维的光弹性利用低语画廊模式

Nikolaos Korakas^1,2, Davide Vurro³, Odysseas Tsilipakos^1,4

¹Foundation for Research and Technology-Hellas (FORTH), Institute of Electronic Structure and Laser (IESL), 70013, Heraklion, Greece.

Scientific reports

|June 16, 2023

概括

丝纤维素是一种丝纤维素.

科学领域:

生物材料科学生物材料科学
光子学是指光子学的使用方法.
材料物理材料物理

背景情况:

丝纤维素是可穿戴光子设备的关键生物材料.
设备的功能会通过光弹性而受到弹性变形的影响.

研究的目的:

研究无形 (丝I) 和半晶体 (丝II) 丝纤维蛋白的光弹性.
量化不同丝纤维结构的拉伸光学系数.

主要方法:

光学低语画廊模式 (WGM) 在1550 nm的共振.
在薄膜腔中施加轴向应变.
测量TE和TM模式的WGM转移.
布里卢恩光谱仪用于弹性模量测定.

主要成果:

丝I和丝II薄膜腔表现出约1.6×10^4.4的Q因子.
丝I的应变光学系数 (K') 是0.059 ± 0.004.4. 这就是0.059 ± 0.004.
对于Silk II,应变光学系数 (K') 是0.129 ± 0.004.4 的.
丝II显示显著更高的光弹性,尽管的模量略有增加.

结论:

丝II结构中的β-片含量显著增强了其光弹性特性.
丝纤维素的光弹性行为依赖于结构,对于光子设备设计至关重要.
理解光弹性对于开发先进的可穿戴光子系统至关重要.

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