Abstract

Commercial 0.5kW Yb-doped fiber amplifiers have been characterized and found to be suitable for coherent beam combining. Eight such fiber amplifiers have been coherently combined in a tiled-aperture configuration with 78% combining efficiency and total output power of 4kW. The power-in-the-bucket vertical beam quality of the combined output is 1.25 times diffraction limited at full power. The beam-combining performance is independent of output power.

© 2011 Optical Society of America

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2011 (2)

A. Flores, in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CFE3.

Y. Ma, X. Wang, J. Leng, H. Xiao, X. Dong, J. Zhu, W. Du, P. Zhou, X. Xu, L. Si, Z. Liu, and Y. Zhao, Opt. Lett. 36, 951 (2011).
[CrossRef] [PubMed]

2010 (3)

G. D. Goodno, S. J. McNaught, J. E. Rothenberg, T. S. McComb, P. A. Thielen, M. G. Wickham, and M. E. Weber, Opt. Lett. 35, 1542 (2010).
[CrossRef] [PubMed]

R. Uberna, A. Bratcher, and B. G. Tiemann, IEEE J. Quantum Electron. 46, 1191 (2010).
[CrossRef]

J. M. Slater and B. Edwards, Proc. SPIE 7686, 76860W(2010).
[CrossRef]

2006 (4)

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

T. M. Shay, Opt. Express 14, 12188 (2006).
[CrossRef] [PubMed]

2005 (1)

T. Y. Fan, IEEE J. Quantum Electron. 11, 567 (2005).
[CrossRef]

2004 (2)

1998 (1)

1986 (1)

A. Hadjifotiou and G. A. Hill, IEE Proc. J, Optoelectron. 133, 256 (1986).
[CrossRef]

Anderegg, J.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Augst, S. J.

Bratcher, A.

R. Uberna, A. Bratcher, and B. G. Tiemann, IEEE J. Quantum Electron. 46, 1191 (2010).
[CrossRef]

Brosnan, S.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Cheung, E.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Dong, X.

Du, W.

Edwards, B.

J. M. Slater and B. Edwards, Proc. SPIE 7686, 76860W(2010).
[CrossRef]

Epp, P.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Fan, T. Y.

Flores, A.

A. Flores, in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CFE3.

Goodno, G. D.

Hadjifotiou, A.

A. Hadjifotiou and G. A. Hill, IEE Proc. J, Optoelectron. 133, 256 (1986).
[CrossRef]

Hammons, D.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Higgs, C.

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Hill, G. A.

A. Hadjifotiou and G. A. Hill, IEE Proc. J, Optoelectron. 133, 256 (1986).
[CrossRef]

Kansky, J.

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Kansky, J. E.

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

Komine, H.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Lawrence, R.

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Leng, J.

Liu, Z.

Ma, Y.

McComb, T. S.

McNaught, S. J.

Murphy, D.

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Murphy, D. V.

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

Nilsson, J.

Payne, D.

Rothenberg, J. E.

Sahu, J. K.

Sanchez, A.

Shaw, S.

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Shaw, S. E. J.

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

Shay, T. M.

Si, L.

Sivokon, V. P.

Slater, J. M.

J. M. Slater and B. Edwards, Proc. SPIE 7686, 76860W(2010).
[CrossRef]

Thielen, P. A.

Tiemann, B. G.

R. Uberna, A. Bratcher, and B. G. Tiemann, IEEE J. Quantum Electron. 46, 1191 (2010).
[CrossRef]

Uberna, R.

R. Uberna, A. Bratcher, and B. G. Tiemann, IEEE J. Quantum Electron. 46, 1191 (2010).
[CrossRef]

Vorontsov, M. A.

Wang, X.

Weber, M.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Weber, M. E.

Wickham, M.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

Wickham, M. G.

Xiao, H.

Xu, X.

Yeong, Y.

Yu, C. X.

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Zhao, Y.

Zhou, P.

Zhu, J.

Electron. Lett. (1)

C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, Electron. Lett. 42, 1024 (2006).
[CrossRef]

IEE Proc. J, Optoelectron. (1)

A. Hadjifotiou and G. A. Hill, IEE Proc. J, Optoelectron. 133, 256 (1986).
[CrossRef]

IEEE J. Quantum Electron. (2)

T. Y. Fan, IEEE J. Quantum Electron. 11, 567 (2005).
[CrossRef]

R. Uberna, A. Bratcher, and B. G. Tiemann, IEEE J. Quantum Electron. 46, 1191 (2010).
[CrossRef]

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

Opt. Express (2)

Opt. Lett. (3)

Proc. SPIE (3)

J. M. Slater and B. Edwards, Proc. SPIE 7686, 76860W(2010).
[CrossRef]

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, Proc. SPIE 6102, 61020U (2006).
[CrossRef]

J. Kansky, C. X. Yu, D. Murphy, S. Shaw, R. Lawrence, and C. Higgs, Proc. SPIE 6306, 63060G (2006).
[CrossRef]

Other (1)

A. Flores, in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CFE3.

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Figures (5)

Fig. 1
Fig. 1

Optical spectra from fiber amplifiers operating at different powers (a) using ASE as the input source and (b) using the phase-modulated source as the input.

Fig. 2
Fig. 2

(a) Fringe visibility from a fiber amplifier, (b) phase noise power spectral density and integrated phase noise at low power ( 15 W ) and at full power for one of the 0.5 kW fiber amplifiers.

Fig. 3
Fig. 3

Schematic of fiber phasing demonstration.

Fig. 4
Fig. 4

(a) Far-field intensity patterns at different output powers for the eight-amplifier combined array, (b) far-field intensity for a single amplifier array element and for all eight amplifier elements combined at 4 kW .

Fig. 5
Fig. 5

(a) Encircled far-field power as a function of far-field angle, with the vertical line at 1.22 λ / D . The top-hat curve is for a uniform phase and intensity beam, the ideal curve is for a uniform phase with the experimental near-field pattern, and the measured array is the experimental data. (b) The on-axis intensity as a function of time when the phase controller is engaged.

Tables (1)

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Table 1 Summary of Beam-Combining Inefficiencies

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