Abstract

Improvement is made in the traditional spectral beam combining structure by adding beam shaping element, namely Beam Transformation System (BTS). Spectral beam combination is performed in a horizontal direction by the external cavity after beam shaping. The effect of smile and the divergence of the slow axis are reduced. A standard semiconductor laser array is used in this experiment. A CW output power of 58.8 W and an electro-optic conversion efficiency of 51% are achieved. The spectral line-width is 12.7 nm. M2 of 1.3 × 11.6 in horizontal and vertical directions are obtained. The beam quality of the output is close to that of a single emitter of the array in two directions.

© 2014 Optical Society of America

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  1. H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
    [CrossRef]
  2. C. C. Cook and T. Y. Fan, “Spectral beam combining of Yb-doped fiber lasers in an external cavity,” Advanced Solid-State Lasers 26, 163–166 (1999).
  3. 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]
  4. B. Chann, A. K. Goyal, T. Y. Fan, A. Sanchez-Rubio, B. L. Volodin, and V. S. Ban, “Efficient, high-brightness wavelength-beam-combined commercial off-the-shelf diode stacks achieved by use of a wavelength-chirped volume Bragg grating,” Opt. Lett. 31(9), 1253–1255 (2006).
    [CrossRef] [PubMed]
  5. B. Chann, R. K. Huang, L. J. Missaggia, C. T. Harris, Z. L. Liau, A. K. Goyal, J. P. Donnelly, T. Y. Fan, A. Sanchez-Rubio, and G. W. Turner, “Near-diffraction-limited diode laser arrays by wavelength beam combining,” Opt. Lett. 30(16), 2104–2106 (2005).
    [CrossRef] [PubMed]
  6. J. Zhang, H. Peng, X. Fu, Y. Liu, L. Qin, G. Miao, and L. Wang, “CW 50W/M2 = 10.9 diode laser source by spectral beam combining based on a transmission grating,” Opt. Express 21(3), 3627–3632 (2013).
    [CrossRef] [PubMed]
  7. 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]
  8. J. T. Gopinath, B. Chann, T. Y. Fan, and A. Sanchez-Rubio, “1450-nm high-brightness wavelength-beam combined diode laser array,” Opt. Express 16(13), 9405–9410 (2008).
    [CrossRef] [PubMed]
  9. P. Y. Wang, A. Gheen, and Z. Wang, “Beam shaping technology for laser diode arrays,” Proc. SPIE 4770, 131–135 (2002).
    [CrossRef]
  10. A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
    [CrossRef]
  11. W. Hill, D. Hauschild, T. Mitra, and V. Lissotschenko, “Micro-optics gets your photons to work,” Laser + Photonik, Hanser Verlag Issue 3, 24–27 (2005).

2013 (1)

2008 (2)

J. T. Gopinath, B. Chann, T. Y. Fan, and A. Sanchez-Rubio, “1450-nm high-brightness wavelength-beam combined diode laser array,” Opt. Express 16(13), 9405–9410 (2008).
[CrossRef] [PubMed]

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

2007 (2)

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

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]

2006 (1)

2005 (2)

2002 (1)

P. Y. Wang, A. Gheen, and Z. Wang, “Beam shaping technology for laser diode arrays,” Proc. SPIE 4770, 131–135 (2002).
[CrossRef]

2000 (1)

1999 (1)

C. C. Cook and T. Y. Fan, “Spectral beam combining of Yb-doped fiber lasers in an external cavity,” Advanced Solid-State Lasers 26, 163–166 (1999).

Ban, V. S.

Bartoschewski, D.

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

Berube, M.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Brown, D.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Bruns, P.

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

Bullock, R.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Burke, C.

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

Chann, B.

Choi, H. K.

Chyr, I.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Cook, C. C.

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]

C. C. Cook and T. Y. Fan, “Spectral beam combining of Yb-doped fiber lasers in an external cavity,” Advanced Solid-State Lasers 26, 163–166 (1999).

Crum, T.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

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]

B. Chann, R. K. Huang, L. J. Missaggia, C. T. Harris, Z. L. Liau, A. K. Goyal, J. P. Donnelly, T. Y. Fan, A. Sanchez-Rubio, and G. W. Turner, “Near-diffraction-limited diode laser arrays by wavelength beam combining,” Opt. Lett. 30(16), 2104–2106 (2005).
[CrossRef] [PubMed]

Fan, T. Y.

Fu, X.

Gheen, A.

P. Y. Wang, A. Gheen, and Z. Wang, “Beam shaping technology for laser diode arrays,” Proc. SPIE 4770, 131–135 (2002).
[CrossRef]

Gopinath, J. T.

Goyal, A. K.

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]

B. Chann, R. K. Huang, L. J. Missaggia, C. T. Harris, Z. L. Liau, A. K. Goyal, J. P. Donnelly, T. Y. Fan, A. Sanchez-Rubio, and G. W. Turner, “Near-diffraction-limited diode laser arrays by wavelength beam combining,” Opt. Lett. 30(16), 2104–2106 (2005).
[CrossRef] [PubMed]

Harrison, J.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Hauschild, D.

W. Hill, D. Hauschild, T. Mitra, and V. Lissotschenko, “Micro-optics gets your photons to work,” Laser + Photonik, Hanser Verlag Issue 3, 24–27 (2005).

Hill, W.

W. Hill, D. Hauschild, T. Mitra, and V. Lissotschenko, “Micro-optics gets your photons to work,” Laser + Photonik, Hanser Verlag Issue 3, 24–27 (2005).

Hu, D.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (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]

B. Chann, R. K. Huang, L. J. Missaggia, C. T. Harris, Z. L. Liau, A. K. Goyal, J. P. Donnelly, T. Y. Fan, A. Sanchez-Rubio, and G. W. Turner, “Near-diffraction-limited diode laser arrays by wavelength beam combining,” Opt. Lett. 30(16), 2104–2106 (2005).
[CrossRef] [PubMed]

Jin, X.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Li, H.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Liau, Z. L.

Lissotschenko, V.

W. Hill, D. Hauschild, T. Mitra, and V. Lissotschenko, “Micro-optics gets your photons to work,” Laser + Photonik, Hanser Verlag Issue 3, 24–27 (2005).

Liu, Y.

Meinschien, J.

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

Miao, G.

Miller, R.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

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]

B. Chann, R. K. Huang, L. J. Missaggia, C. T. Harris, Z. L. Liau, A. K. Goyal, J. P. Donnelly, T. Y. Fan, A. Sanchez-Rubio, and G. W. Turner, “Near-diffraction-limited diode laser arrays by wavelength beam combining,” Opt. Lett. 30(16), 2104–2106 (2005).
[CrossRef] [PubMed]

Mitra, T.

W. Hill, D. Hauschild, T. Mitra, and V. Lissotschenko, “Micro-optics gets your photons to work,” Laser + Photonik, Hanser Verlag Issue 3, 24–27 (2005).

Mott, J.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Nguyen, T.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Peng, H.

Qin, L.

Reinhardt, F.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Sanchez, A.

Sanchez-Rubio, A.

Srinivasan, R.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Timmermann, A.

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

Towe, T.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Truchan, T.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Turner, G. W.

Volodin, B. L.

Wang, L.

Wang, P. Y.

P. Y. Wang, A. Gheen, and Z. Wang, “Beam shaping technology for laser diode arrays,” Proc. SPIE 4770, 131–135 (2002).
[CrossRef]

Wang, Z.

P. Y. Wang, A. Gheen, and Z. Wang, “Beam shaping technology for laser diode arrays,” Proc. SPIE 4770, 131–135 (2002).
[CrossRef]

Wolak, E.

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

Zhang, J.

Advanced Solid-State Lasers (1)

C. C. Cook and T. Y. Fan, “Spectral beam combining of Yb-doped fiber lasers in an external cavity,” Advanced Solid-State Lasers 26, 163–166 (1999).

Electron. Lett. (1)

H. Li, I. Chyr, X. Jin, F. Reinhardt, T. Towe, D. Brown, T. Nguyen, M. Berube, T. Truchan, D. Hu, R. Miller, R. Srinivasan, T. Crum, E. Wolak, R. Bullock, J. Mott, and J. Harrison, “>700W continuous-wave output power from single laser diode bar,” Electron. Lett. 43(1), 27–28 (2007).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

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]

Laser + Photonik, Hanser Verlag Issue (1)

W. Hill, D. Hauschild, T. Mitra, and V. Lissotschenko, “Micro-optics gets your photons to work,” Laser + Photonik, Hanser Verlag Issue 3, 24–27 (2005).

Opt. Express (2)

Opt. Lett. (3)

Proc. SPIE (2)

P. Y. Wang, A. Gheen, and Z. Wang, “Beam shaping technology for laser diode arrays,” Proc. SPIE 4770, 131–135 (2002).
[CrossRef]

A. Timmermann, J. Meinschien, P. Bruns, C. Burke, and D. Bartoschewski, “Next generation high-brightness diode lasers offer new industrial applications,” Proc. SPIE 6876(68760U), 1–12 (2008).
[CrossRef]

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Figures (6)

Fig. 1
Fig. 1

Spectral beam combining experimental setup. FAC: fast axis collimating lens. SAC: slow axis collimating lens. The red dotted line represents a red emitter with smile.

Fig. 2
Fig. 2

The smile effect picture and the measurement result

Fig. 3
Fig. 3

The structure of BTS and The process of rotating beams. (a)The structure of BTS and FAC. (b) The process of rotating beams. FAC: fast axis collimating lens.BFL: back focal length of the FAC.

Fig. 4
Fig. 4

Variation curves of output power, electro-optical conversion efficiency And voltage with operating current of diode laser array

Fig. 5
Fig. 5

Beam quality measurement of diode laser array after SBC using quadratic curve fitting. (a) Vertical direction. (b) Horizontal direction

Fig. 6
Fig. 6

Spectrum characteristics curves of SBC diode laser array

Equations (1)

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Δλ=(x/ f)acosθ

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