楔形盒染料掺杂胆甾相液晶激光器研究

岱钦; 李勇; 乌日娜; 耿岳; 全薇; 李业秋; 彭增辉; 姚丽双

doi:10.7498/aps.62.044219

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摘要

设计制作了楔形盒掺杂激光染料PM580的胆甾相液晶器件, 研究了激光辐射行为. 在楔形液晶盒中出现了一系列与楔棱平行的向错线和不同规则形状的晶畴, 胆甾相液晶形成了平面态排列. 采用固体Nd:YAG倍频532 nm 波长激光作为抽运光, 获得调谐精度约1 nm, 调谐范围约17 nm的一维波长可调谐激光器. 楔形盒中, 液晶扭曲力与取向膜表面锚定力相互平衡的过程中胆甾相液晶螺距伸张, 光子禁带位置移动, 从而调谐光子禁带边沿出射激光波长.

关键词:

Abstract

The wedge cell of cholesteric liquid crystal device is designed and fabricated, and doping PM580 (exciton) in the cholesteric liquid crystal, the laser emission action is studied. There appear a series of parallel wedge edges of dislocation lines and different shapes of domain in the wedge cell. The planar state of alignment is confirmed. A second harmonic Nd:YAG 532 nm laser is adopted as a pump light beam, and then one-dimensional tunable laser radiation is obtained and its wavelength interval is approximately 1 nm and tuning range is about 17 nm. In the processs of interaction between the torques of LC and the surface anchoring of direction film, the pitch elongation takes place. The positon of photonic band gap is changed, so the laser radiation wavelength can be tuned in the band edge.

Keywords:

作者及机构信息

1.
沈阳理工大学理学院, 沈阳 110159;

2.
中科院长春光学精密机械与物理研究所, 应用光学国家重点实验室, 长春 130033

基金项目: 国家自然基金(批准号:60777011)、辽宁省自然科学基金(批准号:20102191)和沈阳科学技术计划(批准号:F10214100)资助的课题.

Authors and contacts

1.
College of Mathematics and Physics, Shenyang Ligong University, Shenyang 110159, China;

2.
State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Funds: Project supported by the National Natural Science Foundation of China (Grant No. 60777011), the Natural Science Foundation of Liaoning Province, China (Grant No. L2010465), and the Planned Science and Technology Project of Shenyang, China (Grant No. F10214100).

参考文献

[1]	Kopp V I, Fan B, Vithana H K M, Genack A Z 1998 Opt. Lett. 23 1707
[2]	Beeckman J, Neyts K, Vanbrabant J M P 2011 Opt. Eng. 50 081202
[3]	Liu Y J, Sun W M, Liu X Q, Yao L S, Lu X H, Xuan L 2012 Acta Phys. Sin. 61 114211 (in Chinese) [刘永军, 孙伟民, 刘晓颀, 姚丽双, 鲁兴海, 宣丽 2012 物理学报 61 114211]
[4]	Tatsunosuke M, Masahiro K 2011 Mol. Cryst. Liq. Cryst. 544 77
[5]	Gevorgyan A H, Kocharian A N 2012 Opt. Commun. 285 854
[6]	Lin S H, Lee C R 2011 Opt. Express 19 18199
[7]	Park B 2011 J. Korean Phys. Soc. 59 2246
[8]	Choi H, Nishimura S, Toyooka T, Ishikawa K, Takezoe H 2011 Adv. Funct. Mater. 21 3430
[9]	Lin H K, Huang Y F, Chen A C, Liu P W 2011 Appl. Surf. Sci. 257 9858
[10]	Inoue Y, Yoshida H, Inoue K, Shiozaki Y, Kubo H, Fujii A, Ozaki M 2011 Proc. SPIE 8114 811415

施引文献

[1]	Kopp V I, Fan B, Vithana H K M, Genack A Z 1998 Opt. Lett. 23 1707
[2]	Beeckman J, Neyts K, Vanbrabant J M P 2011 Opt. Eng. 50 081202
[3]	Liu Y J, Sun W M, Liu X Q, Yao L S, Lu X H, Xuan L 2012 Acta Phys. Sin. 61 114211 (in Chinese) [刘永军, 孙伟民, 刘晓颀, 姚丽双, 鲁兴海, 宣丽 2012 物理学报 61 114211]
[4]	Tatsunosuke M, Masahiro K 2011 Mol. Cryst. Liq. Cryst. 544 77
[5]	Gevorgyan A H, Kocharian A N 2012 Opt. Commun. 285 854
[6]	Lin S H, Lee C R 2011 Opt. Express 19 18199
[7]	Park B 2011 J. Korean Phys. Soc. 59 2246
[8]	Choi H, Nishimura S, Toyooka T, Ishikawa K, Takezoe H 2011 Adv. Funct. Mater. 21 3430
[9]	Lin H K, Huang Y F, Chen A C, Liu P W 2011 Appl. Surf. Sci. 257 9858
[10]	Inoue Y, Yoshida H, Inoue K, Shiozaki Y, Kubo H, Fujii A, Ozaki M 2011 Proc. SPIE 8114 811415

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楔形盒染料掺杂胆甾相液晶激光器研究

1. 沈阳理工大学理学院, 沈阳 110159;

2. 中科院长春光学精密机械与物理研究所, 应用光学国家重点实验室, 长春 130033

基金项目: 国家自然基金(批准号:60777011)、辽宁省自然科学基金(批准号:20102191)和沈阳科学技术计划(批准号:F10214100)资助的课题.

收稿日期: 2012-06-07

修回日期: 2012-08-01

刊出日期: 2013-02-05

摘要: 设计制作了楔形盒掺杂激光染料PM580的胆甾相液晶器件, 研究了激光辐射行为. 在楔形液晶盒中出现了一系列与楔棱平行的向错线和不同规则形状的晶畴, 胆甾相液晶形成了平面态排列. 采用固体Nd:YAG倍频532 nm 波长激光作为抽运光, 获得调谐精度约1 nm, 调谐范围约17 nm的一维波长可调谐激光器. 楔形盒中, 液晶扭曲力与取向膜表面锚定力相互平衡的过程中胆甾相液晶螺距伸张, 光子禁带位置移动, 从而调谐光子禁带边沿出射激光波长.

关键词:

Investigation of the laser action in a dye-doped cholesteric liquid crystal wedge cell

1.
College of Mathematics and Physics, Shenyang Ligong University, Shenyang 110159, China;

2.
State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China

Fund Project: Project supported by the National Natural Science Foundation of China (Grant No. 60777011), the Natural Science Foundation of Liaoning Province, China (Grant No. L2010465), and the Planned Science and Technology Project of Shenyang, China (Grant No. F10214100).

Received Date: 07 June 2012

Accepted Date: 01 August 2012

Published Online: 05 February 2013

Abstract: The wedge cell of cholesteric liquid crystal device is designed and fabricated, and doping PM580 (exciton) in the cholesteric liquid crystal, the laser emission action is studied. There appear a series of parallel wedge edges of dislocation lines and different shapes of domain in the wedge cell. The planar state of alignment is confirmed. A second harmonic Nd:YAG 532 nm laser is adopted as a pump light beam, and then one-dimensional tunable laser radiation is obtained and its wavelength interval is approximately 1 nm and tuning range is about 17 nm. In the processs of interaction between the torques of LC and the surface anchoring of direction film, the pitch elongation takes place. The positon of photonic band gap is changed, so the laser radiation wavelength can be tuned in the band edge.

Keywords:

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