2024
DOI: 10.1007/s00340-024-08269-y
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20 W, 15 ns High-repetition-rate and high-beam-quality MOPA laser by spherical aberration self-compensation at 1342 nm

Zhibin Ye,
Xiaoran Li,
Shu Jiang
et al.

Abstract: A master oscillator power ampli er (MOPA) pulsed laser operating at 1342 nm is demonstrated. It consists of an acousto-optical (A-O) Q-switched oscillator and two-stage Nd:YVO4 power ampli ers. The spherical aberration self-compensation technique is used in the second stage ampli er to obtain highbeam-quality laser output. The maximum average output power of 20.4 W is obtained with the oscillator power of 2.0 W and the total pump light power of 184.08 W, corresponding to an optical-optical e ciency of 11.08%. … Show more

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