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2021, Volume 22, Issue 3

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Frontiers of Information Technology & Electronic Engineering >> 2021, Volume 22, Issue 3 doi: 10.1631/FITEE.2000110

2.3 μm nanosecond passive Q-switching of an LD-pumped Tm:YLF laser using gold nanorods as a saturable absorber

江苏师范大学物理与电子工程学院，中国徐州市，221116

Received: 2020-03-13 Accepted: 2021-03-08 Available online: 2021-03-08
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Abstract

Developing new saturable absorbers for use in the mid-infrared region has practical significance for short-pulsed lasers and related scientific and industrial applications. The performance of (GNRs) as saturable absorbers at novel mid-infrared wavelengths needs to be evaluated even though these benefit from ultrafast nonlinear responses and broadband saturable absorption. of an LD-pumped Tm:YLF laser using GNRs was successfully realized in this study. Pulses with an 843 ns pulse width and a 6.67 kHz repetition rate were achieved using this Q-switched laser. Results showed that GNRs provide promising passive Q-switches for Tm-doped lasers.

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