Abstract

A comprehensive study of a diode-pumped Er:Yb:glass microchip laser, operating at 1530-nm wavelength, is presented. The operating conditions wherein a linearly polarized, single longitudinal and transverse mode operation is achieved are indicated. An optimum pump spot size that minimizes the threshold pump power and maximizes the slope efficiency is experimentally found and theoretically justified by a space-dependent rate-equation model.

© 1995 Optical Society of America

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References

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  1. J. J. Zayhowski, A. Mooradian, Opt. Lett. 14, 24 (1989).
    [CrossRef] [PubMed]
  2. F. Zhou, A. Ferguson, Electron. Lett. 26, 490 (1990).
    [CrossRef]
  3. N. MacKinnon, B. D. Sinclair, Opt. Commun. 94, 281 (1992).
    [CrossRef]
  4. P. Laporta, S. Taccheo, S. Longhi, O. Svelto, Opt. Lett. 18, 1232 (1993).
    [CrossRef] [PubMed]
  5. T. Y. Fan, Opt. Lett. 19, 554 (1994).
    [CrossRef] [PubMed]
  6. P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
    [CrossRef]
  7. O. Svelto, Principles of Lasers, 3th ed. (Plenum, New York, 1989), Sec. 5.3.1.
  8. J. Nilsson, P. Scher, B. Jaskorzynska, IEEE Photon. Technol. Lett. 6, 383 (1994).
    [CrossRef]

1994 (2)

T. Y. Fan, Opt. Lett. 19, 554 (1994).
[CrossRef] [PubMed]

J. Nilsson, P. Scher, B. Jaskorzynska, IEEE Photon. Technol. Lett. 6, 383 (1994).
[CrossRef]

1993 (2)

P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
[CrossRef]

P. Laporta, S. Taccheo, S. Longhi, O. Svelto, Opt. Lett. 18, 1232 (1993).
[CrossRef] [PubMed]

1992 (1)

N. MacKinnon, B. D. Sinclair, Opt. Commun. 94, 281 (1992).
[CrossRef]

1990 (1)

F. Zhou, A. Ferguson, Electron. Lett. 26, 490 (1990).
[CrossRef]

1989 (1)

Fan, T. Y.

Ferguson, A.

F. Zhou, A. Ferguson, Electron. Lett. 26, 490 (1990).
[CrossRef]

Jaskorzynska, B.

J. Nilsson, P. Scher, B. Jaskorzynska, IEEE Photon. Technol. Lett. 6, 383 (1994).
[CrossRef]

Laporta, P.

P. Laporta, S. Taccheo, S. Longhi, O. Svelto, Opt. Lett. 18, 1232 (1993).
[CrossRef] [PubMed]

P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
[CrossRef]

Longhi, S.

P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
[CrossRef]

P. Laporta, S. Taccheo, S. Longhi, O. Svelto, Opt. Lett. 18, 1232 (1993).
[CrossRef] [PubMed]

MacKinnon, N.

N. MacKinnon, B. D. Sinclair, Opt. Commun. 94, 281 (1992).
[CrossRef]

Mooradian, A.

Nilsson, J.

J. Nilsson, P. Scher, B. Jaskorzynska, IEEE Photon. Technol. Lett. 6, 383 (1994).
[CrossRef]

Scher, P.

J. Nilsson, P. Scher, B. Jaskorzynska, IEEE Photon. Technol. Lett. 6, 383 (1994).
[CrossRef]

Sinclair, B. D.

N. MacKinnon, B. D. Sinclair, Opt. Commun. 94, 281 (1992).
[CrossRef]

Svelto, O.

P. Laporta, S. Taccheo, S. Longhi, O. Svelto, Opt. Lett. 18, 1232 (1993).
[CrossRef] [PubMed]

P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
[CrossRef]

O. Svelto, Principles of Lasers, 3th ed. (Plenum, New York, 1989), Sec. 5.3.1.

Taccheo, S.

P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
[CrossRef]

P. Laporta, S. Taccheo, S. Longhi, O. Svelto, Opt. Lett. 18, 1232 (1993).
[CrossRef] [PubMed]

Zayhowski, J. J.

Zhou, F.

F. Zhou, A. Ferguson, Electron. Lett. 26, 490 (1990).
[CrossRef]

Electron. Lett. (1)

F. Zhou, A. Ferguson, Electron. Lett. 26, 490 (1990).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

J. Nilsson, P. Scher, B. Jaskorzynska, IEEE Photon. Technol. Lett. 6, 383 (1994).
[CrossRef]

Opt. Commun. (2)

P. Laporta, S. Longhi, S. Taccheo, O. Svelto, Opt. Commun. 100, 311 (1993).
[CrossRef]

N. MacKinnon, B. D. Sinclair, Opt. Commun. 94, 281 (1992).
[CrossRef]

Opt. Lett. (3)

Other (1)

O. Svelto, Principles of Lasers, 3th ed. (Plenum, New York, 1989), Sec. 5.3.1.

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Figures (3)

Fig. 1
Fig. 1

Threshold pump power of the microchip laser as a function of the pump beam spot size on the active material. Triangles, experimental data; solid curve, fitting curve obtained by a rate-equation model.

Fig. 2
Fig. 2

Slope efficiency of the microchip laser as a function of the pump beam spot size on the active material. Triangles, experimental data; solid curve, fitting curve obtained by a rate-equation model.

Fig. 3
Fig. 3

Measured values of the mode spot size at threshold as a function of the pump beam spot size.

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