激光阈值
材料科学
光学
染料激光器
胆甾液晶
兴奋剂
光电子学
液晶
激光器
Cone(正式语言)
物理
波长
算法
计算机科学
作者
Chi‐Kang Lee,Shluan Huel Lin,H.-C. Yeh,T.-D. Ji
出处
期刊:Optics Express
[The Optical Society]
日期:2009-11-25
卷期号:17 (25): 22616-22616
被引量:22
摘要
This study elucidates, for the first time, a novel band-tunable color cone lasing emission (CCLE) based on dye-doped cholesteric liquid crystal (DDCLC) films with various pitches. For several CLC cells with different pitches it was shown experimentally that the lasing band on the CCLE can be tuned among various color regions measured within different angular ranges. Some important features of the tunable CCLE are also identified and discussed. A spatially band-tunable color cone laser, based on a single DDCLC with a gradient pitch, is developed as a real application.
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