Tunable Yb:KGW laser, CW or Q-switched, enabled by dual-axis tilt of a MOEMS mirror : KGW laser, CW or Q-switched, enabled by dual-axis tilt of a MOEMS mirror
Paterson, Alan and Bauer, Ralf and Lubeigt, Walter and Uttamchandani, Deepak (2018) Tunable Yb:KGW laser, CW or Q-switched, enabled by dual-axis tilt of a MOEMS mirror : KGW laser, CW or Q-switched, enabled by dual-axis tilt of a MOEMS mirror. IEEE Journal of Selected Topics in Quantum Electronics, 24 (5). 1601709. ISSN 1077-260X
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Abstract
The experimental proof-of-concept demonstration of an end-pumped Yb:KGW laser with tunable spectral and temporal output characteristics is reported. For the first time, tuning of both of these characteristics in a solid-state laser is achieved simultaneously using a single electrothermally-actuated MOEMS micromirror with controllable tilt angle in two dimensions. In continuous-wave mode, a wavelength tuning range of 22 nm with < 0.3 nm linewidth was achieved by using static MOEMS mirror tilt about one axis to select the intracavity wavelength dispersed by a prism. A wavelength tuning range of 15.3 nm with < 1.1 nm linewidth was achieved in Q-switched operation, by using simultaneous static tilt and resonant scanning of the MOEMS mirror about orthogonal axes. In this operational mode, a pulse repetition rate of 2.06 kHz was obtained with pulse durations varying from 460 ns to 740 ns over the addressable range of laser wavelengths.
ORCID iDs
Paterson, Alan
ORCID: https://orcid.org/0000-0003-1255-3254, Bauer, Ralf ORCID: https://orcid.org/0000-0001-7927-9435, Lubeigt, Walter and Uttamchandani, Deepak ORCID: https://orcid.org/0000-0002-2362-4874;
Item type: Article ID code: 63438 Dates: DateEvent31 October 2018Published9 March 2018Published Online6 March 2018Accepted30 October 2017SubmittedKeywords: digital laser control, tunable laser, end-pumped Yb:KGW laser, wavelength tuning, active Q-switch, MOEMS, micromirror, Electrical engineering. Electronics Nuclear engineering, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering Subjects: Technology > Electrical engineering. Electronics Nuclear engineering Department: Faculty of Engineering > Electronic and Electrical Engineering Depositing user: Pure Administrator Date deposited: 07 Mar 2018 15:17 Last modified: 03 May 2021 00:39 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/63438
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