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1. 哈尔滨工业大学 物理系,黑龙江 哈尔滨,150000
2. 哈尔滨工程大学 理学院, 黑龙江 哈尔滨 150000
3. 空军航空大学 飞行基础训练基地 基础部, 吉林 长春 130022
收稿日期:2013-06-25,
修回日期:2013-08-01,
纸质出版日期:2013-10-15
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张伶莉, 孙秀冬, 刘永军, 陈丹, 荀显超. 具有外部谐振腔的胆甾相液晶激光器的研究[J]. 液晶与显示, 2013,28(5): 679-682
ZHANG Ling-li, SUN Xiu-dong, LIU Yong-jun, CHEN Dan, XUN Xian-chao. Cholesteric Liquid Crystals Laser With External Cavity[J]. , 2013,28(5): 679-682
张伶莉, 孙秀冬, 刘永军, 陈丹, 荀显超. 具有外部谐振腔的胆甾相液晶激光器的研究[J]. 液晶与显示, 2013,28(5): 679-682 DOI: 10.3788/YJYXS20132805.0679.
ZHANG Ling-li, SUN Xiu-dong, LIU Yong-jun, CHEN Dan, XUN Xian-chao. Cholesteric Liquid Crystals Laser With External Cavity[J]. , 2013,28(5): 679-682 DOI: 10.3788/YJYXS20132805.0679.
制备具有外部谐振腔的胆甾相液晶激光器件。采用镀有多层膜的ITO玻璃作为基板
取向后制备1D-PC/CLC/1D-PC 结构的胆甾相液晶激光器件。该激光器件在532 nm的Nd :YAG倍频脉冲激光器泵浦下能够出射双模激光。出射激光峰位分别位于600 nm 和650 nm
对应于胆甾相液晶的短波边缘和长波边缘
并且激光的发射阈值明显低于普通的盒式胆甾相液晶激光器件。此激光器件可以通过电压控制在单模发射和多模发射之间切换
电控的阈值电压仅为6 V。
This work reports the CLC laser based on the combination of dye-doped CLC and a PC consisting of SiO
2
and TiO
2
multilayers
with the structure as 1D-PC/dye-doped CLC/1D-PC. The device exhibits two-mode laser action. The wavelength lasers are at 600 nm and 650 nm
corresponding to the short-and long-wavelength band edges respectively. In this system
the lasing threshold is much lower than that in simple CLC cell without the PC. Additio-nally
two-mode laser can be switched to single-mode laser by applying above 6 V voltage.
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