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Optica, Optics Express, 21(11), p. 2730, 2003

DOI: 10.1364/oe.11.002730

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Passive Q-switching by Tm3+ co-doping of a Yb3+-fiber laser

Journal article published in 2003 by P. Adel, M. Auerbach, Carsten Fallnich, S. Unger, H. R. Müller, J. Kirchhof
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Q-switching of a wavelength tunable Yb3+-doped double-clad fiber laser by a Tm3+-codoping in the gain fiber is demonstrated. This system showed up to 2.4 W output power, up to 140 kHz repetition rate, a maximum pulse energy of 21.8 microJ and a minimum pulse duration of 1.1 micros. Using a grating pair in Littrow-Littman configuration the emission wavelength was tunable between 1055 nm and 1090 nm. The output radiation showed a maximum spectral linewidth of 4 GHz.