Abstract

An external cavity structure based on the −1st transmission grating is introduced to spectral beam combining a 970 nm diode laser bar. A CW output power of 50.8 W, an electro-optical conversion efficiency of 45%, a spectral beam combining efficiency of 90.2% and a holistic M2 value of 10.9 are achieved. This shows a way for a diode laser source with several KW power and diffraction-limited beam quality at the same time.

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References

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  1. F. Bachmann, P. Loosen, and R. Poprawe, High power diode lasers technology and applications, W.T. Rhodes, ed. (Springer, 2007).
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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2012

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

2011

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

2010

2007

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

2003

2002

2000

1997

1977

Alegria, K.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Biesenbach, J.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Boyd, R. D.

Britten, J. A.

Bryan, S. J.

Chann, B.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Choi, H. K.

Clausnitzer, T.

Cook, C. C.

Daneu, V.

Donnelly, J. P.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Duennwald, D.

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

Fan, T. Y.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

V. Daneu, A. Sanchez, T. Y. Fan, H. K. Choi, G. W. Turner, and C. C. Cook, “Spectral beam combining of a broad-stripe diode laser array in an external cavity,” Opt. Lett.25(6), 405–407 (2000).
[CrossRef] [PubMed]

Faßbender, W.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Flament, M.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Fuchs, H. J.

Goyal, A. K.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Harris, C. T.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Huang, R. K.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Jensen, O. B.

Jupé, M.

Kleine, K.

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

Kley, E. B.

Koenning, T.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Koesters, A.

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

Krause, V.

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

Limpert, J.

Loewen, E. G.

Matthews, D. G.

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

Maystre, D.

Missaggia, L. J.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Nevière, M.

Nguyen, H. T.

Noeske, A.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Ostendorf, R.

Perry, M. D.

Pflueger, S.

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

Ristau, D.

Rotter, K.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Sanchez, A.

Sanchez-Rubio, A.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Schreiber, T.

Segref, A.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Shore, B. W.

Stapletona, D.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Thestrup, B.

Tünnermann, A.

Turner, G. W.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

V. Daneu, A. Sanchez, T. Y. Fan, H. K. Choi, G. W. Turner, and C. C. Cook, “Spectral beam combining of a broad-stripe diode laser array in an external cavity,” Opt. Lett.25(6), 405–407 (2000).
[CrossRef] [PubMed]

Vijayakumar, D.

Wang, Z.

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Westphalen, T.

Zellmer, H.

Zöllner, K.

Appl. Opt.

IEEE Photon. Technol. Lett.

R. K. Huang, B. Chann, L. J. Missaggia, J. P. Donnelly, C. T. Harris, G. W. Turner, A. K. Goyal, T. Y. Fan, and A. Sanchez-Rubio, “High-brightness wavelength beam combined semiconductor laser diode arrays,” IEEE Photon. Technol. Lett.19(4), 209–211 (2007).
[CrossRef]

Opt. Express

Opt. Lett.

Proc. SPIE

D. G. Matthews, K. Kleine, V. Krause, A. Koesters, D. Duennwald, and S. Pflueger, “A 15 kW fiber-coupled diode laser for pumping applications,” Proc. SPIE8241, 824103, 824103-6 (2012).
[CrossRef]

T. Koenning, K. Alegria, Z. Wang, A. Segref, D. Stapletona, W. Faßbender, M. Flament, K. Rotter, A. Noeske, and J. Biesenbach, “Macro-channel cooled, high power, fiber coupled diode lasers exceeding 1.2kW of output power,” Proc. SPIE7918, 79180E, 79180E-8 (2011).
[CrossRef]

Other

F. Bachmann, P. Loosen, and R. Poprawe, High power diode lasers technology and applications, W.T. Rhodes, ed. (Springer, 2007).

K. Du and P. Loosen, “Arrangement for guiding and shaping beams from a rectilinear laser diode array,” U.S. Patent 5,887,096 (1999).

T. Izawa, “Laser beam shaping system,” U.S. patent 5,805,748 (1998).

ISO/DIS-Standard 11146, International Organization for Standardization.

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Figures (4)

Fig. 1
Fig. 1

Schematic diagram of a T-SBC setup based on a diode laser bar.

Fig. 2
Fig. 2

Curve of CW power and efficiency of the laser source as function of current. 56.3W is estimated at 72.5A under free running.

Fig. 3
Fig. 3

Beam quality measured by Primes focus monitor at I = 60A.

Fig. 4
Fig. 4

Distribution of wavelengths after spectral beam combining.

Tables (1)

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Table 1 Structural parameters of the 970 nm diode laser bar

Equations (3)

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Λ( sin θ i +sin θ d )=λ
dθ dλ = 1 Λcos θ 0
Δλ= dθ dλ Δd f

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