Laser oscillation from hexagonal crystals of a thiophene/phenylene co-oligomer

被引：49
|
作者：
Shimizu, K
Mori, Y
Hotta, S
机构：
[1] Inst Res & Innovat, Kashiwa Lab, Photon & Mat Res Dept, Kashiwa, Chiba 2770861, Japan
[2] Tokyo Denki Univ, Dept Elect Engn, Chiyoda Ku, Tokyo 1018457, Japan
[3] Kyoto Inst Technol, Dept Polymer Sci & Engn, Sakyo Ku, Kyoto 6068585, Japan
来源：
JOURNAL OF APPLIED PHYSICS | 2006年 / 99卷 / 06期
关键词：
D O I：
10.1063/1.2181278
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The characteristics of the unusually narrowed emission from hexagon BP1T crystals were investigated by photopumping them with a line laser beam. The wavelengths and strengths of the emission lines sensitively depended on the position and the angle of the crystal. The threshold of the excitation fluence decreases inversely proportional to the crystal length. We have concluded that the unusually narrowed emission is the laser oscillation by laser cavity resonance within a waveguide. The shape and size of the excitation laser beam play an important role in the laser oscillation. (c) 2006 American Institute of Physics.
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页数：4
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