Nanosecond pulse generation from actively Q-switched thulium-doped fiber laser using a high-speed optical switch

Joonhoi Koo; Woojin Shin

doi:10.1117/12.2289247

26 February 2018 Nanosecond pulse generation from actively Q-switched thulium-doped fiber laser using a high-speed optical switch

Joonhoi Koo, Woojin Shin

Author Affiliations +

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105122E (2018) https://doi.org/10.1117/12.2289247
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

We experimentally demonstrate the use of a high-speed, solid-state optical switch as an efficient Mid-IR Q-switch. The switch could be modulated upto 2.2 MHz and its rising and falling time were measured to be 160 ns and 140 ns, respectively. Using the optical switch, stable actively Q-switched pulses were readily generated from a thulium doped-fiber laser cavity. The minimum pulse width of the pulses was measured to be 160 ns at 100 kHz with the average output power of 0.5 mW.

Citation Download Citation

Joonhoi Koo and Woojin Shin "Nanosecond pulse generation from actively Q-switched thulium-doped fiber laser using a high-speed optical switch", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105122E (26 February 2018); https://doi.org/10.1117/12.2289247

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