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Open AccessArticle

Short-Pulse-Width Repetitively Q-Switched ~2.7-μm Er:Y2O3 Ceramic Laser

Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China
Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
Author to whom correspondence should be addressed.
Appl. Sci. 2017, 7(11), 1201;
Received: 16 October 2017 / Accepted: 17 November 2017 / Published: 22 November 2017
(This article belongs to the Special Issue Solid State Lasers Materials, Technologies and Applications)
A short-pulse-width repetitively Q-switched 2.7-μm Er:Y2O3 ceramic laser is demonstrated using a specially designed mechanical switch, a metal plate carved with slits of both slit-width and duty-cycle optimized. With a 20% transmission output coupler, stable pulse trains with durations (full-width at half-maximum, FWHM) of 27–38 ns were generated with a repetition rate within the range of 0.26–4 kHz. The peak power at a 0.26 kHz repetition rate was ~3 kW. View Full-Text
Keywords: laser materials; mid-infrared lasers; rare-earth solid-state lasers laser materials; mid-infrared lasers; rare-earth solid-state lasers
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MDPI and ACS Style

Ren, X.; Wang, Y.; Zhang, J.; Tang, D.; Shen, D. Short-Pulse-Width Repetitively Q-Switched ~2.7-μm Er:Y2O3 Ceramic Laser. Appl. Sci. 2017, 7, 1201.

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