Actively‐Passively Doubly‐<i>Q</i>‐Switched MgO<bold>∶</bold>PPLN Intracavity Mid‐Infrared Optical Parametric Oscillator

Miaoxin Wu; Xiaoping Jin; Xiaodai Yao; Hang Liu; Yongji Yu; Zhongyu Liu; Guangyong Jin

doi:10.3788/CJL240580

Chinese Journal of Lasers, Volume. 51, Issue 14, 1401013(2024)

Actively‐Passively Doubly‐Q‐Switched MgO∶PPLN Intracavity Mid‐Infrared Optical Parametric Oscillator

Miaoxin Wu^1,2, Xiaoping Jin³, Xiaodai Yao^1,2, Hang Liu^1,2, Yongji Yu^1,2、*, Zhongyu Liu^4、**, and Guangyong Jin²

Author Affiliations

¹Chongqing Research Institute, Changchun University of Science and Technology, Chongqing 401135, China

²Jilin Key Laboratory of Solid Laser Technology and Application, School of Physics, Changchun University of Science and Technology, Changchun 130022, Jilin , China

³Shanghai Aerospace System Engineering, Shanghai 201109, China

⁴Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, Jilin , China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(12)

Fig. 1. Schematic of experimental setup for double Q-switched MgO∶PPLN IOPO

Download full size

Fig. 2. Period tuning curve of MgO∶PPLN OPO

Download full size

Fig. 3. Experimental results of acousto-optic Q-switched MgO∶PPLN IOPO under different repetition frequencies. (a) Output power; (b) pulse width; (c) single pulse energy; (d) peak power

Download full size

Fig. 4. Idler light beam quality in acousto-optic Q-switching

Download full size

Fig. 5. Influence of different small signal transmittances on output characteristics of double Q-switched MgO∶PPLN IOPO. (a) Output power; (b) pulse width; (c) single pulse energy; (d) peak power

Download full size

Fig. 6. Experimental results of double Q-switched MgO∶PPLN IOPO under different repetition frequencies. (a) Output power;

Download full size

Fig. 7. Double Q-switched MgO∶PPLN IOPO output spectrum

Download full size

Fig. 8. Idler light beam quality in double Q-switching

Download full size

Fig. 9. Comparison of idler light output characteristics under different Q-switching methods. (a) Output power; (b) pulse width;

Download full size

Fig. 10. Pulse sequences and pulse widths of idler light under different Q-switching methods. (a) Acousto-optic Q-switching; (b) double Q-switching

Download full size

Table 1. Coating parameters of each cavity mirror

View table

Table 1. Coating parameters of each cavity mirror

Cavity mirror	Material	Coating parameter
M1	K9	High reflectivity （HR） @1064 nm （reflectivity of ~99.94%）， high transmittance （HT） @808 nm （transmittance of ~99.94%）
F	K9	HT @1064 nm （transmittance of ~99.98%）
M2	CaF₂	HR @1.4‒1.7 μm （reflectivity of ~99.95%）， HR @3.1‒4.2 μm （reflectivity of ~99.85%）， HT@1064 nm （transmittance of ~96.27%）
M3	CaF₂	HR@1064 nm （reflectivity of ~99.99%）， HR @1.4‒1.5 μm （reflectivity of ~99.91%）， HT@3.7‒4.2 μm （transmittance of ~97.29%）

Table 2. Parameter values of Sellmeier equation
View table
Table 2. Parameter values of Sellmeier equation
Parameter Value Parameter Value
a₁ 5.756 a₆ 0.0132
a₂ 0.0983 b₁ 2.86×10^-6
a₃ 0.202 b₂ 4.7×10^-8
a₄ 189.32 b₃ 6.113×10^-8
a₅ 12.52 b₄ 1.516×10^-4

Tools

Get Citation

Copy Citation Text

Miaoxin Wu, Xiaoping Jin, Xiaodai Yao, Hang Liu, Yongji Yu, Zhongyu Liu, Guangyong Jin. Actively‐Passively Doubly‐Q‐Switched MgO∶PPLN Intracavity Mid‐Infrared Optical Parametric Oscillator[J]. Chinese Journal of Lasers, 2024, 51(14): 1401013

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites