Abstract

A newly developed fiber for use in pulse stretchers for chirped pulse amplifiers working in the 1 μm wavelength range of Yb fiber amplifiers is reported. The fiber has a record high numerical third order to second order dispersion β32 ratio of −7.7 fs. The fiber has very good dispersion match to a grating compressor for second, third, and fourth order dispersion. By combining the stretcher fiber with an anomalous dispersion fiber working in a higher order mode, even higher β32 ratio of −16.8 fs is demonstrated. The combined module shows very good dispersion match to a grating compressor.

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References

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    [CrossRef]
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    [CrossRef]
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2007 (2)

2006 (1)

2005 (1)

2001 (1)

Cho, G. C.

Dimarcello, F. V.

Edvold, B.

Fermann, M. E.

Galvanauskas, A.

Ghalmi, S.

Grüner-Nielsen, L.

Hariharan, A.

Harter, D.

Hartl, I.

Hudson, D. D.

Jakobsen, D.

Jørgensen, C.

Jørgensen, L. V.

Kristensen, P.

Kuznetsova, L.

Marcinkevicius, A.

Monberg, E.

Nicholson, J. W.

Pálsdóttir, B.

Ramachandran, S.

Schibli, T. R.

Wandel, M.

Wise, F. W.

Wisk, P.

Yan, M. F.

Ye, J.

Yost, D. C.

J. Lightwave Technol. (1)

Opt. Lett. (4)

Other (5)

F. Röser, J. Rothhard, T. Eidam, O. Schmidt, D. N. Schimpf, J. Limpert, and A. Tünnermann, “Milli joule Pulse Energy High Repetition Rate Femtosecond Fiber CPA System,” in Proceedings of CLEO’08, (2008) paper CThB2.

J. C. Diels, and W. Rudolph, UltraShort Laser Pulse Phenomena (Academic Press, 2006), Formula (2.112).

P. Kristensen, “Design of dispersion compensating fiber,” in Proceedings of ECOC’2004, (2004) Paper We.3.3.1.

IEC standard 60793–1-8 method A. (2007)

L. Grüner-Nielsen, S. Ramachandran, K. G. Jespersen, S. Ghalmi, M. Garmund, and B. Pálsdóttir, “Optimization of higher order mode fibers for dispersion management of femtosecond fiber lasers,” in Proceedings of LASE 2008 (2008), paper 6873–25.

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Figures (7)

Fig. 5
Fig. 5

Target: –β2 of grating compressor with 1200 lines/mm, incident angle of 23°, and grating separation of 0.2 m. Stretcher module: Module with 32.4 m stretcher fiber

Fig. 7
Fig. 7

Target: –β2 of grating compressor with 1200 lines/mm, incident angle of 18°, and grating separation of 0.2 m. Stretcher module: Module with 90 m stretcher fiber and 125 m HOM fiber.

Fig. 1
Fig. 1

Triple clad index profile.

Fig. 2
Fig. 2

General dispersion curve for triple cladding DCF fibers

Fig. 3
Fig. 3

Dispersion measured on fiber and modeled from measured refractive index profile

Fig. 4
Fig. 4

Measured attenuation versus wavelength

Fig. 6
Fig. 6

Configuration of stretcher two fiber module

Tables (2)

Tables Icon

Table 1 Measured properties of fabricated stretcher fiber at 1030 nm

Tables Icon

Table 2 Measured properties of fabricated HOM fiber at 1030 nm

Equations (1)

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β 2 ( λ ) = λ 3 b 2 π c 2 d 2 cos 3 ( arcsin ( λ d sin α ) ) ,

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