Abstract

In this paper we combine the master-oscillator power fiber amplifier (MOPFA), active phase- compensation, and beam-tilting techniques to demonstrate high fill factor coherent beam combining. First, we optimize a single-frequency, linearly polarized MOPFA system with high scalability and flexibility based on compact, high efficiency Yb-doped fiber amplifier chains. Second, we demonstrate high fill factor coherent beam combining of these MOPFA arrays at a 50W level in the far field successfully. Last, the interference matrix of eight element arrays under an opened loop condition is investigated. Scaling the system to higher power can be expected by increasing the power per fiber chain and adding the number of laser channels.

© 2009 Optical Society of America

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  1. Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
    [CrossRef]
  2. D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).
  3. M. Hildebrandt, M. Frede, P. Kwee, B. Willke, and D. Kracht, “Single-frequency master-oscillator photonic crystal fiber amplifier with 148 W output power,” Opt. Express 14, 11071-11076 (2006).
    [CrossRef] [PubMed]
  4. V. I. Kovalev and R. G. Harrison, “Suppression of stimulated Brillouin scattering in high-power single-frequency fiber amplifiers,” Opt. Lett. 31, 161-163 (2006).
    [CrossRef] [PubMed]
  5. A. Liem, J. Limpert, H. Zellmer, and A. Tunnermann, “100 W single-frequency master-oscillator fiber power amplifier,” Opt. Lett. 28, 1537-1539 (2003).
    [CrossRef] [PubMed]
  6. D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
    [CrossRef]
  7. R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
    [CrossRef] [PubMed]
  8. S. J. Augst, T. Y. Fan, and A. Sanchez, “Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers,” Opt. Lett. 29, 474-476 (2004).
    [CrossRef] [PubMed]
  9. B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
    [CrossRef]
  10. Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
    [CrossRef]
  11. S. J. Augst, J. K. Ranka, T. Y. Fan, and A. Sanchez, “Beam combining of ytterbium fiber amplifiers,” J. Opt. Soc. Am. B 24, 1707-1715 (2007).
    [CrossRef]
  12. T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE Sel. Top. Quantum Electron. 11, 567-577 (2005).
    [CrossRef]

2008 (3)

R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
[CrossRef] [PubMed]

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
[CrossRef]

2007 (2)

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

S. J. Augst, J. K. Ranka, T. Y. Fan, and A. Sanchez, “Beam combining of ytterbium fiber amplifiers,” J. Opt. Soc. Am. B 24, 1707-1715 (2007).
[CrossRef]

2006 (2)

2005 (1)

T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE Sel. Top. Quantum Electron. 11, 567-577 (2005).
[CrossRef]

2004 (2)

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

S. J. Augst, T. Y. Fan, and A. Sanchez, “Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers,” Opt. Lett. 29, 474-476 (2004).
[CrossRef] [PubMed]

2003 (1)

Alam, M.

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

Augst, S. J.

Chen, W.

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Conner, M. O.

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

Corbin, F.

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

Dong, J.

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Fan, T. Y.

Frede, M.

Harrison, R. G.

He, B.

Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
[CrossRef]

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Hickey, L. M. B.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

Hildebrandt, M.

Horley, R.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

Hou, J.

R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
[CrossRef] [PubMed]

Jeong, Y.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

Jiang, Z. F.

R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
[CrossRef] [PubMed]

Kovalev, V. I.

Kracht, D.

Kwee, P.

Liem, A.

Limpert, J.

Liu, M.

R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
[CrossRef] [PubMed]

Lou, Q.

Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
[CrossRef]

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Machewirth, D.

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

Machewirth, D. P.

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

Nilsson, J.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

O'Conner, M.

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

Payne, D. N.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

Ranka, J. K.

Sahu, J. K.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

Samson, B.

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

Sanchez, A.

Tankala, K.

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

Tunnermann, A.

Turner, P. W.

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

Wang, Q.

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

Wang, W.

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Wei, Y.

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Willke, B.

Xiao, R.

R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
[CrossRef] [PubMed]

Zellmer, H.

Zhao, H.

Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
[CrossRef]

Zhen, Y.

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Zhou, J.

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
[CrossRef]

Appl. Phys. Lett. (1)

B. He, Q. Lou, J. Zhou, Y. Zhen, J. Dong, Y. Wei, W. Wang, and W. Chen, “Experimental demonstration of phase locking of a two-dimensional fiber laser array using a self-imaging resonator,” Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

D. P. Machewirth, Q. Wang, B. Samson, K. Tankala, M. O. Conner, and M. Alam, “Current developments in high-power monolithic maintaining fiber amplifiers for coherent beam combining applications,” IEEE Photon. Technol. Lett. 16, 63-65 (2004).
[CrossRef]

IEEE Sel. Top. Quantum Electron. (2)

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, “Power scaling of single-frequency ytterbium-doped fiber master-oscillator power-amplifier sources up to 500 W,” IEEE Sel. Top. Quantum Electron. 13, 546-551 (2007).
[CrossRef]

T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE Sel. Top. Quantum Electron. 11, 567-577 (2005).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Express (1)

Opt. Express. (1)

R. Xiao, J. Hou, M. Liu, and Z. F. Jiang, “Coherent combining technology of master oscillator power amplifier fiber arrays,” Opt. Express. 16, 2015-2022 (2008).
[CrossRef] [PubMed]

Opt. Lett. (3)

Opt. Photon. News (1)

Q. Lou, J. Zhou, B. He, and H. Zhao, “Fiber lasers and their coherent beam combination,” Opt. Photon. News 19, 46-51(2008).
[CrossRef]

Other (1)

D. Machewirth, F. Corbin, K. Tankala, M. O'Conner, B. Samson, and M. Alam, “Component testing and amplifier design for 200 W, narrow linewidth, monolithic PM-LMA fiber amplifiers,” in 19th Solid State and Diode Laser Technology Review Proceedings (SSDLTR, 2006).

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Figures (11)

Fig. 1
Fig. 1

Schematic of the scalable SF/SM/SP MOPFA system based on Yb-doped amplifier chains for application in coherent beam combining.

Fig. 2
Fig. 2

Illustration of single-mode PM all-fiber amplifier module.

Fig. 3
Fig. 3

Schematic setup of the single-frequency MOPFA.

Fig. 4
Fig. 4

Output power as a function of total launched pump power.

Fig. 5
Fig. 5

Output spectrum of high SBS threshold amplifier with 17 W .

Fig. 6
Fig. 6

Spectra of backpropagating light for 17 W output powers from 10 m long amplifier.

Fig. 7
Fig. 7

Two- and three-dimensional beam profile of single-mode amplifier output at 17 W from CCD.

Fig. 8
Fig. 8

Phase noise spectral density for steady-state amplifier operation at 17 W output power (normalized to 1 Hz bandwidth).

Fig. 9
Fig. 9

Lineouts of high fill factor phase-locked coherent beam-combining effects of MOPFA arrays: (a) the one-dimensional far-field coherent combined pattern of two-element MOPFA arrays (at 30 W level); (b) the two-dimensional far-field coherent combined pattern of three-element MOPFA arrays (at 50 W level).

Fig. 10
Fig. 10

Energy encircled in the pinhole (a) before and (b) after coherent beam combining.

Fig. 11
Fig. 11

Far-field interference matrix of eight- element MOPFA arrays under an open loop condition (at 100 W level).

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