Nd∶Glass Amplifier with Repetition Rate Fabricated by Flash-Lamp Pumping and Liquid Cooling Method

Bingyan Wang; Yangshuai Li; Panzheng Zhang; Li Wang; Qiang Liu; Haidong Zhu; Ailin Guo; Yanli Zhang; Xu Zhang; Qiong Zhou; Shenlei Zhou; Jian Zhu; Weixin Ma; Baoqiang Zhu; Jianqiang Zhu

doi:10.3788/CJL201946.1001007

Chinese Journal of Lasers, Volume. 46, Issue 10, 1001007(2019)

Nd∶Glass Amplifier with Repetition Rate Fabricated by Flash-Lamp Pumping and Liquid Cooling Method

Bingyan Wang¹, Yangshuai Li^1、*, Panzheng Zhang^1、**, Li Wang¹, Qiang Liu¹, Haidong Zhu¹, Ailin Guo¹, Yanli Zhang¹, Xu Zhang¹, Qiong Zhou¹, Shenlei Zhou¹, Jian Zhu², Weixin Ma², Baoqiang Zhu¹, and Jianqiang Zhu¹

Author Affiliations

¹National Laboratory on High Power Lasers and Physics, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800, China

²Shanghai Institute of Laser Plasma, China Academy of Engineering and Physics, Shanghai 201800, China

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Figures & Tables(11)

Fig. 1. Structural diagram of RAP. (a) Lamp module; (b) slab module; (c) cavity module; (d) side mirror module

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Fig. 2. Diagrams of RAP cooling. (a) Lamp module cooling; (b) slab module cooling

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Fig. 3. Test of chemical stability of FC-770. (a) Test under flash-lamp irradiation; (b) test under 1053 nm laser irradiation

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Fig. 4. Characteristics of samples 1-7 before and after immersing.(a) Change rate of mass; (b) change rate of transmissivity

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Fig. 5. Diagram of light path for small signal gain measurement

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Fig. 6. Net gain of RAP double-pass small signal under different main pump delay

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Fig. 7. Diagram of RAP wavefront measurement system

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Fig. 8. Double-pass wavefront of RAP for 10 shots under different coolant temperatures

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Table 1. Properties of FC-770 and D2O [19]

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Table 1. Properties of FC-770 and D2O [19]

Parameter	FC-770	D₂O
Density /(10³ kg·m^-3)	1.79	1.10
Water solubility /(mg·L^-1)	0.0662
Thermal conductivity /[W·(m·K)^-1]	6.3×10^-2	0.595
Dynamic viscosity /[kg·(m·s)^-1]	1.416×10^-3	1.12×10^-3
Refractive index	1.27	1.35
Temperature coefficientof refractive index	-4.2×10^-4	-8×10^-5
Optical breakdownthreshold /(GW·cm^-2)	100	10
Specific heat capacity /[J·(kg·℃)^-1]	1038	4200
Absorption coefficient(1064 nm) /m^-1	2.0×10^-4	0.15
Pressure drop-viscosity /kPa	2.859	2.260
Temperature drop along channel /K	0.33	0.13
Price /(dollar·L^-1)	158.73	374

Table 2. Transmissivity and refractive index of the FC-770 before and after flash-lamp irradiation for 200 shots
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Table 2. Transmissivity and refractive index of the FC-770 before and after flash-lamp irradiation for 200 shots
Parameter Beforeirradiation Afterirradiation Δ /%
Transmissivity(1053 nm) 0.92576 0.90366 2.3
Refractive index(1053 nm) 1.27437 1.26312 0.8

Table 3. Transmissivity and refractive index of the FC-770 before and after 1053 nm laser irradiation for 19 h
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Table 3. Transmissivity and refractive index of the FC-770 before and after 1053 nm laser irradiation for 19 h
Parameter Beforeirradiation Afterirradiation Δ /%
Transmissivity(1053 nm) 0.92576 0.91624 1.0
Refractive index(1053 nm) 1.27437 1.26373 0.8

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Bingyan Wang, Yangshuai Li, Panzheng Zhang, Li Wang, Qiang Liu, Haidong Zhu, Ailin Guo, Yanli Zhang, Xu Zhang, Qiong Zhou, Shenlei Zhou, Jian Zhu, Weixin Ma, Baoqiang Zhu, Jianqiang Zhu. Nd∶Glass Amplifier with Repetition Rate Fabricated by Flash-Lamp Pumping and Liquid Cooling Method[J]. Chinese Journal of Lasers, 2019, 46(10): 1001007

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Paper Information

Category: laser devices and laser physics

Received: Mar. 28, 2019

Accepted: May. 13, 2019

Published Online: Oct. 25, 2019

The Author Email: Li Yangshuai (yshli@siom.ac.cn), Zhang Panzheng (nwpuzhangpanzheng@163.com)

DOI:10.3788/CJL201946.1001007

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Properties of FC-770 and D2O [19]

Table 1. Properties of FC-770 and D2O [19]

Table 2. Transmissivity and refractive index of the FC-770 before and after flash-lamp irradiation for 200 shots

Table 2. Transmissivity and refractive index of the FC-770 before and after flash-lamp irradiation for 200 shots

Table 3. Transmissivity and refractive index of the FC-770 before and after 1053 nm laser irradiation for 19 h

Table 3. Transmissivity and refractive index of the FC-770 before and after 1053 nm laser irradiation for 19 h