Liquid-crystal lasers

被引:608
作者
Coles, Harry [1 ]
Morris, Stephen [1 ]
机构
[1] Univ Cambridge, Ctr Mol Mat Photon & Elect, Elect Engn Div, Dept Engn, Cambridge CB3 0FA, England
关键词
PHOTONIC BAND-GAP; LOW-THRESHOLD; LASING THRESHOLD; DEFECT MODES; STOP-BAND; SPONTANEOUS EMISSION; EDGE; FILM; TEMPERATURE; AMPLIFICATION;
D O I
10.1038/NPHOTON.2010.184
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Liquid-crystal lasers are a burgeoning area in the field of soft-matter photonics that may herald a new era of ultrathin, highly versatile laser sources. Such lasers encompass a multitude of remarkable features, including wideband tunability, large coherence area and, in some cases, multidirectional emission. They have the potential to combine large output powers with miniature cavity dimensions - two properties that have traditionally been incompatible. Their potential applications are diverse, ranging from miniature medical diagnostic tools to large-area holographic laser displays. Here we discuss the scientific origins of this technology and give a brief synopsis of the cutting-edge research currently being carried out worldwide.
引用
收藏
页码:676 / 685
页数:10
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