Abstract

A Tm-doped large mode area (LMA) silica fiber laser has been locked to a stable wavelength of 2053.9nm using a volume Bragg grating (VBG). The measured spectral width of the laser output was <300pm, limited by the spectrometer resolution. Although this laser had modest output (5W) and slope efficiency (41%), this new approach to spectrally limiting the output of LMA fiber lasers is inherently extendable to kilowatt powers, opening up several applications including high-power pulsed fiber lasers and spectral beam combining. Performance characteristics of the laser compared to one using a dielectric mirror as a high reflector are described, and the results imply low VBG losses.

© 2008 Optical Society of America

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References

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2008 (1)

M. Eichhorn and S. D. Jackson, Appl. Phys. B 90, 35 (2008).
[CrossRef]

2007 (2)

2006 (2)

2004 (1)

S. D. Jackson, Opt. Commun. 230, 197 (2004).
[CrossRef]

2000 (2)

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[CrossRef]

O. M. Efimov, L. B. Glebov, and V. I. SmirnovOpt. Lett. 25, 1693 (2000).
[CrossRef]

1998 (1)

Appl. Phys. B (1)

M. Eichhorn and S. D. Jackson, Appl. Phys. B 90, 35 (2008).
[CrossRef]

Appl. Phys. Lett. (1)

C. D. Brooks and F. D. Teodoro, Appl. Phys. Lett. 89, 111119 (2006).
[CrossRef]

Electron. Lett. (1)

R. A. Hayward, W. A. Clarkson, P. W. Turner, J. Nilsson, A. B. Grudinin, and D. C. Hanna, Electron. Lett. 36, 711 (2000).
[CrossRef]

Opt. Commun. (1)

S. D. Jackson, Opt. Commun. 230, 197 (2004).
[CrossRef]

Opt. Express (2)

Opt. Lett. (3)

Other (2)

C.-H. Liu, G. Chang, N. Litchinitser, D. Guertin, N. Jacobsen, K. Tankala, and A. Galvanauskas, in Proceedings of CLEO 2007 (2007), paper CTuBB3.

V. Gapontsev, D. Gapontsev, N. Platonov, O. Shkurikhin, V. Fomin, A. Mashkin, M. Abramov, and S. Ferin, in Proceedings of CLEO/Europe 2005 (2005), p. 508.
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Schematic of the laser setup.

Fig. 2
Fig. 2

Output power versus absorbed pump power for HR and VBG lasers. Note that error bars denote 5% error associated with fluctuations in the power meter readout.

Fig. 3
Fig. 3

(a) HR and VBG laser output spectra at maximum absorbed pump power of approximately 23 W , (b) VBG laser spectrum at pump power of approximately 23 W .

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