Abstract

An end-pumped ytterbium-doped all-fiber laser with 300 W output in continuous regime was reported, which was based on master oscillator multi-stage power amplifiers configuration. Monolithic fiber laser system consisted of an oscillator stage and two amplifier stages. Total optical-optical efficiency of monolithic fiber laser was approximately 65%, corresponding to 462 W of pump power coupled into laser system. We proposed a new method to connect power amplifier stage, which was crucial for the application of end-pumped combiner in high power MOPAs all-fiber laser.

© 2008 Optical Society of America

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References

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  1. A. Carter and E. Li, "Recent progress in high-power fiber laser for high-power and high-quality material processing applications," Proc. SPIE 6344, 63440F (2006).
    [CrossRef]
  2. L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).
  3. C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
    [CrossRef]
  4. Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, "Yterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power," Opt. Express 12, 6088-6092 (2004).
    [CrossRef] [PubMed]
  5. A. Kosterin, V. Temyanko, M. Fallahi, and M. Mansuripur, "Tapered fiber bundles for combining high-power diode lasers," Appl. Opt. 43, 3893-3900 (2004).
    [CrossRef] [PubMed]
  6. V. Gapontsev and I. Samartsev, "Coupling arrangement between a multi-mode light source and an optical fiber through an intermediate optical fiber length," U.S. patent 5,999,673 (Dec 7, 1999).
  7. A. B. Grudinin, D. N. Payne, P. W. Yurner, L. Nilsson, M. N. Zervas, and M. Ibsen, "An optical fiber arrangement," W.O. patent 00/67350 (Nov 9, 2000).
  8. D. J. Digiovanni and A. J. Stentz, "Tapered fiber bundles for coupling light and out of cladding-pumped fiber devices," U.S. patent 5,864,644 (Jan 26, 1999).
  9. F. Gonthier, L. Martineau, F. Seguin, A. Villeneuve, M. Faucher, N. Azami, and M. Garneau, "Optical coupler comprising multimode fibers and method of making the same," U.S. patent 7,046,875 (May 16, 2006).
  10. A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
    [CrossRef]
  11. V. Gapontsev, D. Gapontsev, N. Platonov, O. Shkurikhin, V. Fomin, A. Mashkin, M. Abramov, and S. Ferin, "2 kW CW ytterbium fiber laser with record diffraction-limited brightness," in Proceedings of IEEE Conference on Lasers and Electro-Optics Europe (Academic, Europe, 2005), pp. 508.
  12. S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
    [CrossRef]

2008 (1)

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

2007 (2)

A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
[CrossRef]

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).

2006 (2)

A. Carter and E. Li, "Recent progress in high-power fiber laser for high-power and high-quality material processing applications," Proc. SPIE 6344, 63440F (2006).
[CrossRef]

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

2004 (2)

Appleyard, A.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Barty, C. P. J.

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).

Carlson, C. G.

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

Carter, A.

A. Carter and E. Li, "Recent progress in high-power fiber laser for high-power and high-quality material processing applications," Proc. SPIE 6344, 63440F (2006).
[CrossRef]

Coleman, J. J.

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

Crowe, I.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Dawson, J. W.

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).

Dragic, P. D.

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

Fallahi, M.

Faucher, M.

A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
[CrossRef]

Fermann, M. E.

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).

Graf, B. W.

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

Jeong, Y.

Kosterin, A.

Li, E.

A. Carter and E. Li, "Recent progress in high-power fiber laser for high-power and high-quality material processing applications," Proc. SPIE 6344, 63440F (2006).
[CrossRef]

Lovelady, M.

A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
[CrossRef]

Mansuripur, M.

Nilsson, J.

Norman, S.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Payne, D. N.

Price, R. K.

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

Sahu, J. K.

Seguin, F.

A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
[CrossRef]

Shah, L.

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).

Skull, P.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Swenson, G. R.

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

Temyanko, V.

Turner, P.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Walker, D.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Wetter, A.

A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
[CrossRef]

Zervas, M.

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Appl. Opt. (1)

Opt. Express (1)

Proc. SPIE (5)

A. Wetter, M. Faucher, M. Lovelady, and F. Seguin, "Tapered fused-bundle splitter capable of 1KW CW operation," Proc. SPIE 6453, 64530I (2007).
[CrossRef]

A. Carter and E. Li, "Recent progress in high-power fiber laser for high-power and high-quality material processing applications," Proc. SPIE 6344, 63440F (2006).
[CrossRef]

L. Shah, M. E. Fermann, J. W. Dawson, and C. P. J. Barty, "Compact 50 W ultrashort pulse fiber laser for precision and high-speed material processing," Proc. SPIE 6453, 645302 (2007).

C. G. Carlson, P. D. Dragic, B. W. Graf, R. K. Price, J. J. Coleman, and G. R. Swenson, "High power Yb-Doped Fiber Laser-Based LIDAR For Space Weather," Proc. SPIE 6873, 68730K (2008).
[CrossRef]

S. Norman, M. Zervas, A. Appleyard, P. Skull, D. Walker, P. Turner, and I. Crowe, "Power Scaling of High Power Fiber Lasers for Micromachining and Materials Processing Applications," Proc. SPIE 6102, 61021P (2006).
[CrossRef]

Other (5)

V. Gapontsev and I. Samartsev, "Coupling arrangement between a multi-mode light source and an optical fiber through an intermediate optical fiber length," U.S. patent 5,999,673 (Dec 7, 1999).

A. B. Grudinin, D. N. Payne, P. W. Yurner, L. Nilsson, M. N. Zervas, and M. Ibsen, "An optical fiber arrangement," W.O. patent 00/67350 (Nov 9, 2000).

D. J. Digiovanni and A. J. Stentz, "Tapered fiber bundles for coupling light and out of cladding-pumped fiber devices," U.S. patent 5,864,644 (Jan 26, 1999).

F. Gonthier, L. Martineau, F. Seguin, A. Villeneuve, M. Faucher, N. Azami, and M. Garneau, "Optical coupler comprising multimode fibers and method of making the same," U.S. patent 7,046,875 (May 16, 2006).

V. Gapontsev, D. Gapontsev, N. Platonov, O. Shkurikhin, V. Fomin, A. Mashkin, M. Abramov, and S. Ferin, "2 kW CW ytterbium fiber laser with record diffraction-limited brightness," in Proceedings of IEEE Conference on Lasers and Electro-Optics Europe (Academic, Europe, 2005), pp. 508.

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Figures (5)

Fig. 1.
Fig. 1.

Experimental arrangement of all-fiber laser with MOPAs structure.

Fig. 2.
Fig. 2.

(a) Image of typical result of splicing 20/400 µm eccentric cladding fibers. (b) Fusion splice loss of 20/400 µm fibers vary with deviation of core position.

Fig. 3.
Fig. 3.

Image of splicing eroded 20/125 µm YDF and 20/125 µm GDF.

Fig. 4.
Fig. 4.

Fig. 4. The laser power vary with pump power in the MOPAs fiber laser.

Fig. 5.
Fig. 5.

Output spectra of the MOPAs laser at maximum output power.

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