Abstract

A novel technique for scaling end-pumped lasers is demonstrated using three diode-laser arrays to pump a single Nd:YAG laser. Diffraction-limited output with a 58% slope efficiency was obtained. Simple arguments indicate that this method should allow at least an order of magnitude increase in pump power, compared with that from a single high-power diode array, to be focused into the same fixed-mode volume of the pumped laser. Such a scheme may be particularly useful with low-gain, quasi-three-level, or tunable lasers.

© 1989 Optical Society of America

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  2. J. Berger, D. F. Welch, D. R. Scifres, W. Streifer, P. Cross, Appl. Phys. Lett. 51, 1212 (1987).
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  8. T. Y. Fan, A. Sanchez, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper PD06.
  9. T. Y. Fan, A. Sanchez, “Pump source requirements for end-pumped lasers,” submitted to IEEE J. Quantum Electron.
  10. D. A. Roberts, R. J. Brown, Proc. Soc. Photo-Opt. Instrum. Eng. 818, 232 (1987).
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  16. G. J. Kintz, L. Esterowitz, R. Allen, Electron. Lett. 23, 616 (1987).
    [CrossRef]
  17. T. Y. Fan, R. L. Byer, IEEE J. Quantum Electron. 24, 895(1988).
    [CrossRef]
  18. J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
    [CrossRef]
  19. J. R. Leger, M. L. Scott, W. B. Veldkamp, Appl. Phys. Lett. 52, 1771 (1988).
    [CrossRef]

1988 (4)

1987 (7)

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherhch, Opt. Lett. 12, 678 (1987).
[CrossRef] [PubMed]

G. J. Kintz, L. Esterowitz, R. Allen, Electron. Lett. 23, 616 (1987).
[CrossRef]

T. Y. Fan, R. L. Byer, Opt. Lett. 12, 809 (1987).
[CrossRef] [PubMed]

W. P. Risk, W. Lenth, Opt. Lett. 12, 993 (1987).
[CrossRef] [PubMed]

D. A. Roberts, R. J. Brown, Proc. Soc. Photo-Opt. Instrum. Eng. 818, 232 (1987).

J. Berger, D. F. Welch, D. R. Scifres, W. Streifer, P. Cross, Appl. Phys. Lett. 51, 1212 (1987).
[CrossRef]

1986 (1)

1985 (1)

D. L. Sipes, Appl. Phys. Lett. 47, 74 (1985).
[CrossRef]

1982 (1)

Albers, P.

J. Frauchiger, P. Albers, H. P. Weber, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC2.

Allen, R.

G. J. Kintz, L. Esterowitz, R. Allen, Electron. Lett. 23, 616 (1987).
[CrossRef]

Baer, T. M.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

Bailey, R. J.

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

Berger, J.

Brown, R. J.

D. A. Roberts, R. J. Brown, Proc. Soc. Photo-Opt. Instrum. Eng. 818, 232 (1987).

Byer, R. L.

Chang, R. S. F.

Cross, P.

J. Berger, D. F. Welch, D. R. Scifres, W. Streifer, P. Cross, Appl. Phys. Lett. 51, 1212 (1987).
[CrossRef]

Dixon, G. J.

Djeu, N.

Donnelly, J. P.

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

Esterowitz, L.

G. J. Kintz, L. Esterowitz, R. Allen, Electron. Lett. 23, 616 (1987).
[CrossRef]

Fan, T. Y

Fan, T. Y.

T. Y. Fan, R. L. Byer, IEEE J. Quantum Electron. 24, 895(1988).
[CrossRef]

T. Y. Fan, R. L. Byer, Opt. Lett. 12, 809 (1987).
[CrossRef] [PubMed]

T. Y. Fan, G. Huber, R. L. Byer, P. Mitzscherhch, Opt. Lett. 12, 678 (1987).
[CrossRef] [PubMed]

T. Y. Fan, A. Sanchez, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper PD06.

T. Y. Fan, A. Sanchez, “Pump source requirements for end-pumped lasers,” submitted to IEEE J. Quantum Electron.

Field, R. A.

R. A. Field, T. S. Rose, M. E. Innocenzi, H. T. Yura, C. L. Fincher, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC6.

Fincher, C. L.

R. A. Field, T. S. Rose, M. E. Innocenzi, H. T. Yura, C. L. Fincher, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC6.

Frauchiger, J.

J. Frauchiger, P. Albers, H. P. Weber, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC2.

Goodhue, W. D.

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

Head, D. F.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

Hoffman, N. J.

Huber, G.

Innocenzi, M. E.

R. A. Field, T. S. Rose, M. E. Innocenzi, H. T. Yura, C. L. Fincher, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC6.

Kintz, G. J.

G. J. Kintz, L. Esterowitz, R. Allen, Electron. Lett. 23, 616 (1987).
[CrossRef]

Kozlovsky, W. J.

Kubodera, K.

Lambert, S. A.

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

Leger, J. R.

J. R. Leger, M. L. Scott, W. B. Veldkamp, Appl. Phys. Lett. 52, 1771 (1988).
[CrossRef]

Lenth, W.

Mitzscherhch, P.

Noda, J.

Radecki, D.

Risk, W. P.

Roberts, D. A.

D. A. Roberts, R. J. Brown, Proc. Soc. Photo-Opt. Instrum. Eng. 818, 232 (1987).

Rose, T. S.

R. A. Field, T. S. Rose, M. E. Innocenzi, H. T. Yura, C. L. Fincher, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC6.

Sakamoto, M.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

Sanchez, A.

T. Y. Fan, A. Sanchez, “Pump source requirements for end-pumped lasers,” submitted to IEEE J. Quantum Electron.

T. Y. Fan, A. Sanchez, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper PD06.

Scifres, D. R.

Scott, M. L.

J. R. Leger, M. L. Scott, W. B. Veldkamp, Appl. Phys. Lett. 52, 1771 (1988).
[CrossRef]

Sipes, D. L.

D. L. Sipes, Appl. Phys. Lett. 47, 74 (1985).
[CrossRef]

Smith, J. J.

Streifer, W.

Veldkamp, W. B.

J. R. Leger, M. L. Scott, W. B. Veldkamp, Appl. Phys. Lett. 52, 1771 (1988).
[CrossRef]

Weber, H. P.

J. Frauchiger, P. Albers, H. P. Weber, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC2.

Welch, D. F.

Windhorn, T. H.

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

Yura, H. T.

R. A. Field, T. S. Rose, M. E. Innocenzi, H. T. Yura, C. L. Fincher, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC6.

Zhang, Z. M.

Appl. Opt. (1)

Appl. Phys. Lett. (4)

D. L. Sipes, Appl. Phys. Lett. 47, 74 (1985).
[CrossRef]

J. Berger, D. F. Welch, D. R. Scifres, W. Streifer, P. Cross, Appl. Phys. Lett. 51, 1212 (1987).
[CrossRef]

J. P. Donnelly, W. D. Goodhue, T. H. Windhorn, R. J. Bailey, S. A. Lambert, Appl. Phys. Lett. 51, 229 (1987).
[CrossRef]

J. R. Leger, M. L. Scott, W. B. Veldkamp, Appl. Phys. Lett. 52, 1771 (1988).
[CrossRef]

Electron. Lett. (1)

G. J. Kintz, L. Esterowitz, R. Allen, Electron. Lett. 23, 616 (1987).
[CrossRef]

IEEE J. Quantum Electron. (1)

T. Y. Fan, R. L. Byer, IEEE J. Quantum Electron. 24, 895(1988).
[CrossRef]

Opt. Lett. (6)

Proc. Soc. Photo-Opt. Instrum. Eng. (1)

D. A. Roberts, R. J. Brown, Proc. Soc. Photo-Opt. Instrum. Eng. 818, 232 (1987).

Other (5)

R. A. Field, T. S. Rose, M. E. Innocenzi, H. T. Yura, C. L. Fincher, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC6.

J. Frauchiger, P. Albers, H. P. Weber, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper TuC2.

T. M. Baer, D. F. Head, M. Sakamoto, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1989), paper FJ5.

T. Y. Fan, A. Sanchez, in Digest of Topical Meeting on Tunable Solid-State Lasers (Optical Society of America, Washington, D.C., 1989), paper PD06.

T. Y. Fan, A. Sanchez, “Pump source requirements for end-pumped lasers,” submitted to IEEE J. Quantum Electron.

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Figures (4)

Fig. 1
Fig. 1

Schematic of a multiple-diode pump source shown in the plane perpendicular to the junction. The output of each diode is collimated, and the spacing of the diodes is equal to the beam diameter. Such a source with N diodes is N times diffraction limited in this plane.

Fig. 2
Fig. 2

Schematic of the Nd:YAG laser pumped by a multiple diode-laser array. (a) The plane perpendicular to the junction. (b) The plane parallel to the junction.

Fig. 3
Fig. 3

Intensity profiles of the pump beam at 0.2-cm intervals along the propagation direction near the focus. The elements of the linear detector array are at 15-μm centers. The bottom trace is the nearest to the pump source (entrance), and the top trace is the farthest (exit). (a) The plane perpendicular to the junction. (b) The plane parallel to the junction.

Fig. 4
Fig. 4

Output power at 1.06 μm as a function of the incident power (corrected for reflections) upon the crystal.

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