6.1 MW, 10 kHz Side-Pumped Burst-Mode Nd:YAG Laser


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Abstract

We present a compact high-peak-power, high-repetition-rate burst-mode laser from a master-oscillator power amplifier (MOPA) at 1064 nm for laser-based measurement applications. The oscillator is an 808 nm pulsed laser diode side-pumped acousto-optical (A-O) Q-switched Nd:YAG laser at repetition rates ranging from 10–100 kHz, producing a pulse train with a pulse number of 2–25. The maximum output energy of the oscillator is 15.6 mJ at 10 kHz, whereas it is 1.7 mJ at 100 kHz. After twostage amplifiers, a single-pulse energy of 85.2 mJ with a pulse-width of 14.5 ns is achieved at 10 kHz, which produces a peak power of 6.1 MW. At 100 kHz, the total burst energy reaches 220 mJ with a single-pulse energy of 8.8 mJ in the pulse burst laser system.

About the authors

Hu Pan

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Renpeng Yan

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Xudong Li

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Xin Fa

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Yufei Ma

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Rongwei Fan

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Xin Yu

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Email: dychen@hit.edu.cn
China, Harbin, 150080

Deying Chen

National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology

Author for correspondence.
Email: dychen@hit.edu.cn
China, Harbin, 150080

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