Graphdiyne Saturable Absorber for Passively Q-Switched Ho(3+)-Doped Laser.
Graphdiyne Saturable Absorber for Passively Q-Switched Ho(3+)-Doped Laser.
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用于被动调Q Ho3 掺杂激光器的石墨炔可饱和吸收体
DOI：
10.3390/nano10091848
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发表时间：
2020-09-16
期刊：
影响因子：
--
通讯作者：
Liu J
中科院分区：
文献类型：
--
作者：
Zhang C;Hao Q;Zu Y;Zong M;Guo J;Zhang F;Ge Y;Liu J
High-quality all-carbon nanostructure graphdiyne (GDY) saturable absorber was successfully fabricated and saturable absorption properties in the 2 μm region were characterized using a commercial mode-locked laser as a pulsed source. The fabricated GDY was first used as an optical switcher in a passively Q-switched Ho laser. Under absorbed pump power of 2.4 W, the maximum average output power and shortest pulse width were 443 mW and 1.38 µs, at a repetition rate of 29.72 kHz. The results suggest that GDY nanomaterial is a promising candidate as an optical modulator for generation of short pulses in Ho-doped lasers at 2.1 μm.
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