GaAs Q-switched Nd:CNGG lasers: operating at 4 F 3/2 → 2 I 11/2 and 4 F 3/2 → 2 I 13/2 transitions

The nonlinear absorption properties of GaAs were measured at 1.06 and 1.34 µm by the open aperture Z-scan technique in this paper. Based on a neodymium doped calcium niobium gallium garnet (Nd:CNGG) disordered crystal grown by the Czochralski method, passively Q-switched lasers with the conventional...

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Veröffentlicht in:Optics express 2019-05, Vol.27 (11), p.15426
Hauptverfasser: Pan, Han, Pan, Zhongben, Chu, Hongwei, Li, Ying, Zhao, Shengzhi, Li, Guiqiu, Cai, Huaqiang, Li, Dechun
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container_issue 11
container_start_page 15426
container_title Optics express
container_volume 27
creator Pan, Han
Pan, Zhongben
Chu, Hongwei
Li, Ying
Zhao, Shengzhi
Li, Guiqiu
Cai, Huaqiang
Li, Dechun
description The nonlinear absorption properties of GaAs were measured at 1.06 and 1.34 µm by the open aperture Z-scan technique in this paper. Based on a neodymium doped calcium niobium gallium garnet (Nd:CNGG) disordered crystal grown by the Czochralski method, passively Q-switched lasers with the conventional GaAs wafer as the saturable absorber were demonstrated, operating on the transitions of F → I and F → I . For the F → I transition, the laser operated at 1063 nm with a pulse duration of 546 ns and a repetition rate of 98.5 kHz. While for the F → I transition operating at 1340 nm, the minimum pulse width was 499.6 ns with the pulse repetition rate of 110.7 kHz.
doi_str_mv 10.1364/OE.27.015426
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title GaAs Q-switched Nd:CNGG lasers: operating at 4 F 3/2 → 2 I 11/2 and 4 F 3/2 → 2 I 13/2 transitions
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