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Appl. Sci. 2017, 7(11), 1201; https://doi.org/10.3390/app7111201

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

1
Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China
2
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.
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)
View Full-Text   |   Download PDF [1447 KB, uploaded 22 November 2017]   |  

Abstract

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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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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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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