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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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Control of solid-state lasers using an intra-cavity MEMS micromirror

Lubeigt, Walter and Gomes, Joao and Brown, James and Kelly, Andrew and Savitski, Vasili and Uttamchandani, Deepak and Burns, David (2011) Control of solid-state lasers using an intra-cavity MEMS micromirror. Optics Express, 19 (3). pp. 2456-2465. ISSN 1094-4087

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Abstract

High reflectivity, electrothermal and electrostatic MEMS (Micro-Electro-Mechanical Systems) micromirrors were used as a control element within a Nd-doped laser cavity. Stable continuous-wave oscillation of a 3-mirror Nd:YLF laser at a maximum output power of 200mW was limited by thermally-induced surface deformation of the micromirror. An electrostatic micromirror was used to induce Q-switching, resulting in pulse durations of 220ns - 2μs over a repetition frequency range of 6kHz - 40kHz.