基于掺镁周期极化铌酸锂晶体的内腔单共振连续可调谐光参量振荡器

苏辉; 李志平; 段延敏; 王小蕾; 朱海永

doi:10.3788/OPE.20132106.1404

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基于掺镁周期极化铌酸锂晶体的内腔单共振连续可调谐光参量振荡器

现代应用光学 | 更新时间：2020-08-12

- 基于掺镁周期极化铌酸锂晶体的内腔单共振连续可调谐光参量振荡器
- Intra-cavity Singly Resonant Optical Parametric Oscillator Based on Magnesium-doped Periodicaly Poled Lithium Niobate
- 光学精密工程 2013年21卷第6期页码：1404-1409
- 作者机构：
  
  1. 中国科学院福建物质结构研究所2.&nbsp
  2. 温州大学物理与电子信息学院3.中国科学院光电材料化学与物理重点实验室
- 作者简介：
- 基金信息：
  
  中国科学院BR计划，福建省重点研究项目();浙江省自然科学基金();温州市科技计划项目()
- DOI：10.3788/OPE.20132106.1404
  中图分类号： O437.4
- 收稿日期：2012-12-26，
  
  修回日期：2013-02-23，
  
  网络出版日期：2013-06-20，
  
  纸质出版日期：2013-06-15
- 稿件说明：
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苏辉李志平段延敏王小蕾朱海永. 基于掺镁周期极化铌酸锂晶体的内腔单共振连续可调谐光参量振荡器[J]. 光学精密工程, 2013,21(6): 1404-1409

SU Hui LI Zhi-ping DUAN Yan-min WANG Xiao-lei ZHU Hai-yong. Intra-cavity Singly Resonant Optical Parametric Oscillator Based on Magnesium-doped Periodicaly Poled Lithium Niobate[J]. Editorial Office of Optics and Precision Engineering, 2013,21(6): 1404-1409
苏辉李志平段延敏王小蕾朱海永. 基于掺镁周期极化铌酸锂晶体的内腔单共振连续可调谐光参量振荡器[J]. 光学精密工程, 2013,21(6): 1404-1409 DOI： 10.3788/OPE.20132106.1404.

SU Hui LI Zhi-ping DUAN Yan-min WANG Xiao-lei ZHU Hai-yong. Intra-cavity Singly Resonant Optical Parametric Oscillator Based on Magnesium-doped Periodicaly Poled Lithium Niobate[J]. Editorial Office of Optics and Precision Engineering, 2013,21(6): 1404-1409 DOI： 10.3788/OPE.20132106.1404.

摘要

为了用简单、紧凑的谐振腔获得稳定的激光输出，大的调谐范围和转换效率，设计了信号光单共振V型光学参量振荡（OPO）腔，采用内腔式抽运周期极化掺镁铌酸锂晶体（PPMgLN）的光学参量振荡技术获得了连续中红外宽波段调谐激光的输出。用808 nm半导体激光抽运Nd∶YVO4晶体产生的1 064 nm激光作为光参量振荡的基频光，通过V型腔灵活控制激光光斑并改变PPMgLN的极化周期和控制温度实现了2 249~3 706 nm中红外的连续宽波段调谐激光输出。在半导体激光抽运功率为10.5 W，极化周期为29.98 m，控制温度为411 K的情况下获得了最高650 mW的中红外激光输出，对应的中心波长为3 466 nm，线宽为2.6 nm，具有较好的单色性。在7.5 W的入射功率下，最高808 nm抽运光到闲频光的转化效率达7.73%，对应输出功率为580 mW。

Abstract

To obtain stable laser outputs

bigger turning ranges and higher transfer efficiencies by a simple and compact resonance cavity

a V-type Optical Parametric Oscillator (OPO) pumped by a 1 064 nm Nd∶YVO4 laser is designed

and broadband wavelength-tunable

continuous-wave (CW) mid-infrared laser sources are obtained . The Nd∶YVO4 laser crystal is pumped by a 808 nm semiconductor laser to generate a 1 064 nm laser as the fundamental frequency light

and the V-type cavity is used to control laser spots and to change the grating period and temperature of the PPMgLN to obtain the 2 249 to 3 706 nm tunable idler output. With an 808-nm pump power of 10.5 W and a polarized period of 29.98 m

a maximum idler output power up to 650 mW at 3 466 nm is achieved under the PPMgLN to be set at 411 K

which shows a better monochromaticity and is corresponding to a center wavelength of 3 466 nm and line width of 2.6 nm. Moreover

when 808 nm pump power is 7.5 W

the maximum optical-to-optical conversion efficiency can be up to 7.73% and the corresponding output power is 580 mW.

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references

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