All-fiber intensity modulator for Q switching

Alain Chandonnet; Gilles Larose; Yves Painchaud

doi:10.1117/12.165622

5 January 1994 All-fiber intensity modulator for Q switching

Alain Chandonnet, Gilles Larose, Yves Painchaud

Proceedings Volume 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications; (1994) https://doi.org/10.1117/12.165622
Event: Optics Quebec, 1993, Quebec City, Canada

Abstract

We present an efficient all-fiber intensity modulator designed for repetitive Q-switching of rare-earth doped fiber lasers. This device shows many advantages over standard bulk modulation technique like immunity to mechanical vibrations and lower excess losses. The principle of operation is simple and relies on the evanescent field coupling of the fiber mode to an overlay medium plate which is rapidly moved away from the surface of a standard polished coupler using a fast piezoelectric translator. A spliceless Q-switched erbium fiber laser incorporating this modulator was also tested.

Citation Download Citation

Alain Chandonnet, Gilles Larose, and Yves Painchaud "All-fiber intensity modulator for Q switching", Proc. SPIE 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications, (5 January 1994); https://doi.org/10.1117/12.165622

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