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Proceedings Paper

All-fiber intensity modulator for Q switching
Author(s): Alain Chandonnet; Gilles Larose; Yves Painchaud
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Paper 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.

Paper Details

Date Published: 5 January 1994
PDF: 9 pages
Proc. SPIE 2041, Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications, (5 January 1994); doi: 10.1117/12.165622
Show Author Affiliations
Alain Chandonnet, National Optics Institute (Canada)
Gilles Larose, National Optics Institute (Canada)
Yves Painchaud, National Optics Institute (Canada)

Published in SPIE Proceedings Vol. 2041:
Mode-locked and Other Ultrashort Laser Designs, Amplifiers, and Applications
Michel Piche; Paul W. Pace, Editor(s)

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