向列相液晶染料可调谐激光器的研究

刘永军; 孙伟民; 刘晓颀; 姚丽双; 鲁兴海; 宣丽

doi:10.7498/aps.61.114211

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摘要

对向列相液晶染料的可调谐激光器进行了光学特性研究. 以650 nm为中心波长设计了SiO2和TiO2多层膜的一维光子晶体, 以激光染料与向列相液晶的混合物作为增益介质层, 制备了波长可调谐激光器.用Nd: YAG倍频脉冲激光器输出的532 nm激光抽运所制备的激光器样品得出如下光学特性: 激光发射波长随温度调谐范围为605.5639.8 nm, 达到34.3 nm, 随电压调谐范围为634.5619.5 nm, 达到15 nm. 发射激光每脉冲的阈值能量为12.3 J, 激光线宽小于1 nm.

关键词:

Abstract

We investigate the optical characteristics of the tunable laser of a one-dimensional photonic crystal (1D PC) containing Dye-doped nematic liquid crystal (NLC). The dielectric multilayer consisting of an alternating stack of SiO2 and TiO2 layers is used as the 1D PC whose defect layer is filled with the laser dye and NLC. The central wavelength of the stop band of the 1D PC is 650 nm. A second-harmonic light of a Q-switched Nd: YAG laser has a wavelength of 532 nm, and is used for excitation. With the temperature increasing from 25.5 ℃ to 48 ℃, the emission wavelength of the tunable laser is continuously shifted from 605.5 to 639.8 nm, the total wavelength shifts is 34.4 nm. With the external voltage increasing from 0 to 2.86 V, the emission wavelength of the tunable laser is shifted from 634.5 to 619.5 nm, the total wavelength shifts are 15 nm. The lasing threshold was about 12.3 J/pulse, and the linewidth of the emission peak was less than 1 nm.

Keywords:

作者及机构信息

1.
哈尔滨工程大学理学院, 哈尔滨 150001;

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: 国家自然科学基金(批准号: 61107059)、高等学校博士学科点专项科研基金(批准号: 200802171034)和黑龙江省博士后基金(批准号: LBH-Z10216) 资助的课题.

Authors and contacts

1.
College of Science, Harbin Engineering University, Harbin 150001, 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. 61107059), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 200802171034), and the Heilongjiang Postdoctoral Science Foundation of Heilongjiang Province, China (Grant No. LBH-Z10216).

参考文献

[1]	Alison D F, Stephen M M, Harry J C 2006 Materialstoday 9 36
[2]	Kopp V I, Fan B, Vithana H K M, Genack A Z 1998 Opt. Lett. 23 1707
[3]	Kopp V I, Zhang Z Q, Genack A 2001 Phys. Rev. Lett. 86 1753
[4]	Araoka F, Shin K C, Takanishi Y, Ishikawa K, Takezoe H, Zhu Z, Swager T M 2003 J. Appl. Phys. 94 279
[5]	Petriashvili1 G, Matranga M A, De Santo M P, Chilaya G, Barberi R 2009 Opt. Express 17 4553
[6]	Lin S H, Shyu C Y, Liu J H, Yang P C, Mo T S, Huang S Y, Lee C R 2010 Opt. Express 18 9496
[7]	Ozaki R, Matsui T, Ozaki M, Yoshino K 2003 Appl. Phys. Lett. 82 3593
[8]	Ozaki R, Matsuhisa Y, Ozaki M, Yoshino K 2004 Appl. Phys. Lett. 84 1844
[9]	Jeong M Y, Choi H, Wu J W 2008 Appl. Phys. Lett. 92 051108

施引文献

[1]	Alison D F, Stephen M M, Harry J C 2006 Materialstoday 9 36
[2]	Kopp V I, Fan B, Vithana H K M, Genack A Z 1998 Opt. Lett. 23 1707
[3]	Kopp V I, Zhang Z Q, Genack A 2001 Phys. Rev. Lett. 86 1753
[4]	Araoka F, Shin K C, Takanishi Y, Ishikawa K, Takezoe H, Zhu Z, Swager T M 2003 J. Appl. Phys. 94 279
[5]	Petriashvili1 G, Matranga M A, De Santo M P, Chilaya G, Barberi R 2009 Opt. Express 17 4553
[6]	Lin S H, Shyu C Y, Liu J H, Yang P C, Mo T S, Huang S Y, Lee C R 2010 Opt. Express 18 9496
[7]	Ozaki R, Matsui T, Ozaki M, Yoshino K 2003 Appl. Phys. Lett. 82 3593
[8]	Ozaki R, Matsuhisa Y, Ozaki M, Yoshino K 2004 Appl. Phys. Lett. 84 1844
[9]	Jeong M Y, Choi H, Wu J W 2008 Appl. Phys. Lett. 92 051108

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向列相液晶染料可调谐激光器的研究

1. 哈尔滨工程大学理学院, 哈尔滨 150001;

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: 国家自然科学基金(批准号: 61107059)、高等学校博士学科点专项科研基金(批准号: 200802171034)和黑龙江省博士后基金(批准号: LBH-Z10216) 资助的课题.

收稿日期: 2011-06-09

修回日期: 2012-06-05

刊出日期: 2012-06-05

摘要: 对向列相液晶染料的可调谐激光器进行了光学特性研究. 以650 nm为中心波长设计了SiO2和TiO2多层膜的一维光子晶体, 以激光染料与向列相液晶的混合物作为增益介质层, 制备了波长可调谐激光器.用Nd: YAG倍频脉冲激光器输出的532 nm激光抽运所制备的激光器样品得出如下光学特性: 激光发射波长随温度调谐范围为605.5639.8 nm, 达到34.3 nm, 随电压调谐范围为634.5619.5 nm, 达到15 nm. 发射激光每脉冲的阈值能量为12.3 J, 激光线宽小于1 nm.

关键词:

Investigation of the tunable laser of one-dimensional photonic crystal with dye-doped nematic liquid crystal defect layer

1.
College of Science, Harbin Engineering University, Harbin 150001, 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. 61107059), the Specialized Research Fund for the Doctoral Program of Higher Education of China (Grant No. 200802171034), and the Heilongjiang Postdoctoral Science Foundation of Heilongjiang Province, China (Grant No. LBH-Z10216).

Received Date: 09 June 2011

Accepted Date: 05 June 2012

Published Online: 05 June 2012

Abstract: We investigate the optical characteristics of the tunable laser of a one-dimensional photonic crystal (1D PC) containing Dye-doped nematic liquid crystal (NLC). The dielectric multilayer consisting of an alternating stack of SiO2 and TiO2 layers is used as the 1D PC whose defect layer is filled with the laser dye and NLC. The central wavelength of the stop band of the 1D PC is 650 nm. A second-harmonic light of a Q-switched Nd: YAG laser has a wavelength of 532 nm, and is used for excitation. With the temperature increasing from 25.5 ℃ to 48 ℃, the emission wavelength of the tunable laser is continuously shifted from 605.5 to 639.8 nm, the total wavelength shifts is 34.4 nm. With the external voltage increasing from 0 to 2.86 V, the emission wavelength of the tunable laser is shifted from 634.5 to 619.5 nm, the total wavelength shifts are 15 nm. The lasing threshold was about 12.3 J/pulse, and the linewidth of the emission peak was less than 1 nm.

Keywords:

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