期刊
OPTICAL MATERIALS EXPRESS
卷 4, 期 1, 页码 162-171出版社
OPTICAL SOC AMER
DOI: 10.1364/OME.4.000162
关键词
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资金
- Div Of Industrial Innovation & Partnersh
- Directorate For Engineering [1114332] Funding Source: National Science Foundation
Cellulose derivatives, because of their molecular structure and chirality, can self-assemble to form spatially periodic cholesteric liquid crystal phases. We have synthesized and produced solid cross-linked cholesteric cellulose based films optimized to provide high reflectivity. Since these films are self-assembled photonic bandgap materials, they may be expected to show distributed feedback lasing. By doping samples with fluorescent dyes and optically pumping thin films of these materials, we were able to demonstrate, to the best of our knowledge, for the first time, mirrorless band-edge lasing in cellulose derivatives. (C) 2013 Optical Society of America
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