Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama, Ikoma, Nara, Japan.
Adv Mater. 2012 May 8;24(18):2404-8. doi: 10.1002/adma.201104182. Epub 2012 Apr 11.
Optically pumped lasing of epitaxially oriented molecular crystals is presented. Needle-like crystals of a thiophene/phenylene co-oligomer is grown along the [110] direction of a KCl substrate. The fluorescence light is one-dimensionally confined and amplified by the self-waveguiding effect in the elongated needles. The Fabry-Pérot resonation by the terminated ends results in laser oscillations corresponding to the needle length.
本文介绍了外延取向分子晶体的光泵激光。噻吩/亚苯基共低聚物的针状晶体沿 KCl 衬底的[110]方向生长。荧光光通过在细长针中的自波导效应被一维限制和放大。由于末端的法布里-珀罗共振，导致激光振荡与针的长度相对应。
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