期刊
BIOMEDICAL OPTICS EXPRESS
卷 6, 期 11, 页码 4221-4227出版社
OPTICAL SOC AMER
DOI: 10.1364/BOE.6.004221
关键词
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资金
- National Defense Science and Engineering Graduate Fellowship
- Stern Fellowship at Tufts University
Biocompatible optical waveguides were constructed entirely of silk fibroin. A silk film (n=1.54) was encapsulated within a silk hydrogel (n=1.34) to form a robust and biocompatible waveguide. Such waveguides were made using only biologically and environmentally friendly materials without the use of harsh solvents. Light was coupled into the silk waveguides by direct incorporation of a glass optical fiber. These waveguides are extremely flexible, and strong enough to survive handling and manipulation. Cutback measurements showed propagation losses of approximately 2 dB/cm. The silk waveguides were found to be capable of guiding light through biological tissue. (C) 2015 Optical Society of America
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