Widely Tunable Lasing in a Colloidal Crystal Gel Film Permanently Stabilized by an Ionic Liquid
Widely Tunable Lasing in a Colloidal Crystal Gel Film Permanently Stabilized by an Ionic Liquid
复制标题
DOI：
10.1002/adma.201101825
复制
发表时间：
2011-09-01
影响因子：
29.4
通讯作者：
Sawada, Tsutomu
中科院分区：
文献类型：
--
作者：
Furumi, Seiichi;Kanai, Toshimitsu;Sawada, Tsutomu
由非挥发性离子液体永久稳定的胶体晶体凝胶(CC-G)薄膜可以实现低阈值光激发的宽调谐激光作用。CC-G膜由固定在聚合物凝胶中的微粒的非紧密堆积结构组成。绿光激发产生单一的、非常窄的红光激光发射。通过施加机械应力，可以在较宽的波长范围内调谐单个激光发射峰。
Widely tunable laser action by low threshold optical excitation can be realized by a colloidal crystal gel (CC-G) film permanently stabilized by a non-volatile ionic liquid. The CC-G film consists of a non-close-packed structure of microparticles immobilized in a polymer gel. Optical excitation with green light gives rise to a single and very narrow laser emission with red color. The single laser emission peak can be tuned in a wide wavelength range by applying mechanical stress.