Researching | Temperature Insensitive Nd∶GdVO4 Laser with High Peak Power and Narrow Pulse Width

Chinese Journal of Lasers, Volume. 45, Issue 4, 401009(2018)

Temperature Insensitive Nd∶GdVO₄ Laser with High Peak Power and Narrow Pulse Width

Lu Shaowen^1,2, Meng Jie¹, Zhao Xueqiang^1,2, Shi Junjie¹, Meng Junqing¹, Yu Zhenzhen¹, Hou Xia¹, Chen Weibiao¹, and Liu Yuan^1、*

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¹[in Chinese]

²[in Chinese]

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Fig. 1. Experimental setup of laser

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Fig. 2. Thermal focal length versus pump power of crystal

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Fig. 3. Output energy versus absorbed pump energy of laser oscillation

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Fig. 4. (a) Pulse delay time; (b) typical pulse profile

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Fig. 5. Amplified output energy versus amplifier pass number

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Fig. 6. Output power versus (a) time stability and (b) temperature stability

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Table 1. Parameters of laser system
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Table 1. Parameters of laser system
Parameter Value Parameter Value
l /mm 5 τ_c /μs 100
L /mm 10 A /m² 4.6×10^-7
δ 0.06 hν /J 1.86×10^-19
σ /cm² 7.9×10^-19 g₀ /cm^-1 3
γ 1 c /(m·s^-1) 3×10⁸

Table 2. Physical parameters of laser crystal
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Table 2. Physical parameters of laser crystal
Crystal Thermal conductivityK_c /[W·(m·K^-1)^-1] Thermal-opticalcoefficient dn/dT /K^-1
Nd∶YAG 13 7.3×10^-6
Nd∶YVO₄ 5.1 3×10^-6
Nd∶YLF 6 -2×10^-6
Nd∶GdVO₄ 11.7 4.7×10^-6

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Lu Shaowen, Meng Jie, Zhao Xueqiang, Shi Junjie, Meng Junqing, Yu Zhenzhen, Hou Xia, Chen Weibiao, Liu Yuan. Temperature Insensitive Nd∶GdVO₄ Laser with High Peak Power and Narrow Pulse Width[J]. Chinese Journal of Lasers, 2018, 45(4): 401009

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Paper Information

Category: laser devices and laser physics

Received: Sep. 8, 2017

Accepted: --

Published Online: Apr. 13, 2018

The Author Email: Yuan Liu (liuyuandt@126.com)

DOI:10.3788/CJL201845.0401009

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology