Abstract

We report on a high-power (cw) red laser at 671 nm by intracavity frequency doubling of a double-end-pumped 1342 nm Nd:YVO4 laser based on the nonlinear crystal LiB3O5. A red output power of 3.38 W is obtained for a pump power of 27 W, with corresponding optical-to-optical efficiency of 12.5%. The 671 nm beam is nearly diffraction limited.

© 2005 Optical Society of America

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References

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  1. Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
    [CrossRef]
  2. H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
    [CrossRef]
  3. A. Agnesi, A. Guandalini, G. Reali, “Efficient 671 nm pump source by intravity doubling of a diode-pumped Nd:YVO4 laser,” J. Opt. Soc. Am. B 19, 1078–1083 (2002).
    [CrossRef]
  4. J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
    [CrossRef]
  5. H. Ogilvy, M. J. Withford, P. Dekker, J. A. Piper, “Efficient diode double-end-pumped Nd:YVO4 laser operating at 1342 nm,” Opt. Express 11, 2411–2415 (2003).
    [CrossRef] [PubMed]
  6. A. Agnesi, A. Guandalini, G. Reali, S. Dell’Acqua, G. Piccinno, “High-brightness 2.4 W continuous-wave Nd:GdVO4 laser at 670 nm,” Opt. Lett. 29, 56–58 (2004).
    [CrossRef] [PubMed]
  7. F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
    [CrossRef]
  8. P. Laures, “Geometrical approach to Gaussian beam propagation,” Appl. Opt. 6, 747–755 (1967).
    [CrossRef] [PubMed]
  9. W. Koechner, Solid-State Laser Engineering, 5th ed. (Springer-Verlag, 1999).
    [CrossRef]
  10. A. Ashkin, G. D. Boyd, J. N. Dziedzic, “Resonator optical second harmonic generation and mixing,” IEEE J. Quantum Electron. 2, 109–124 (1966).
    [CrossRef]
  11. Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
    [CrossRef]
  12. X. Y. Peng, L. Xu, A. Asundi, “Power scaling of a diode-pumped Nd:YVO4 laser,” IEEE J. Quantum Electron. 38, 1291–1299 (2002).
    [CrossRef]
  13. Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
    [CrossRef]
  14. Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
    [CrossRef]
  15. R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
    [CrossRef]
  16. A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
    [CrossRef]
  17. D. Findly, R. A. Clay, “The measurement of internal losses in four-level lasers,” Phys. Lett. 20, 277–278 (1966).
    [CrossRef]

2004 (1)

2003 (1)

2002 (4)

A. Agnesi, A. Guandalini, G. Reali, “Efficient 671 nm pump source by intravity doubling of a diode-pumped Nd:YVO4 laser,” J. Opt. Soc. Am. B 19, 1078–1083 (2002).
[CrossRef]

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

X. Y. Peng, L. Xu, A. Asundi, “Power scaling of a diode-pumped Nd:YVO4 laser,” IEEE J. Quantum Electron. 38, 1291–1299 (2002).
[CrossRef]

1999 (4)

Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
[CrossRef]

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
[CrossRef]

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

1997 (1)

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

1977 (1)

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

1970 (1)

R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
[CrossRef]

1967 (1)

1966 (2)

D. Findly, R. A. Clay, “The measurement of internal losses in four-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

A. Ashkin, G. D. Boyd, J. N. Dziedzic, “Resonator optical second harmonic generation and mixing,” IEEE J. Quantum Electron. 2, 109–124 (1966).
[CrossRef]

Agnesi, A.

Ashkin, A.

A. Ashkin, G. D. Boyd, J. N. Dziedzic, “Resonator optical second harmonic generation and mixing,” IEEE J. Quantum Electron. 2, 109–124 (1966).
[CrossRef]

Asundi, A.

X. Y. Peng, L. Xu, A. Asundi, “Power scaling of a diode-pumped Nd:YVO4 laser,” IEEE J. Quantum Electron. 38, 1291–1299 (2002).
[CrossRef]

Birnbaum, M.

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

Boyd, G. D.

A. Ashkin, G. D. Boyd, J. N. Dziedzic, “Resonator optical second harmonic generation and mixing,” IEEE J. Quantum Electron. 2, 109–124 (1966).
[CrossRef]

Chen, C. T.

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

Chen, Y B.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Chen, Y. F.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
[CrossRef]

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

Clay, R. A.

D. Findly, R. A. Clay, “The measurement of internal losses in four-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Dekker, P.

Dell’Acqua, S.

Ding, X.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Dziedzic, J. N.

A. Ashkin, G. D. Boyd, J. N. Dziedzic, “Resonator optical second harmonic generation and mixing,” IEEE J. Quantum Electron. 2, 109–124 (1966).
[CrossRef]

Elder, J. W.

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

Fincher, C. L.

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

Findly, D.

D. Findly, R. A. Clay, “The measurement of internal losses in four-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Fujikawa, S.

Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
[CrossRef]

Guandalini, A.

He, J. L.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Hou, W.

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

Huang, T. M.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

Inoue, Y.

Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
[CrossRef]

Kao, C. F.

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 5th ed. (Springer-Verlag, 1999).
[CrossRef]

Kojima, T.

Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
[CrossRef]

Konno, S.

Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
[CrossRef]

Lan, Y. P.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Laures, P.

Leigh, M.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Liao, C. C.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Luo, G. Z.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Ming, N. B.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Ogilvy, H.

Peng, X. Y.

X. Y. Peng, L. Xu, A. Asundi, “Power scaling of a diode-pumped Nd:YVO4 laser,” IEEE J. Quantum Electron. 38, 1291–1299 (2002).
[CrossRef]

Peyghambarian, N.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Piccinno, G.

Piper, J. A.

Reali, G.

Smith, R. G.

R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
[CrossRef]

Song, F.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Tucker, A. W.

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

Wang, C. L.

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

Wang, H. T.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Wang, J. M.

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

Wang, S. C.

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

Withford, M. J.

Wu, B. C.

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

Xu, J. J.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Xu, L.

X. Y. Peng, L. Xu, A. Asundi, “Power scaling of a diode-pumped Nd:YVO4 laser,” IEEE J. Quantum Electron. 38, 1291–1299 (2002).
[CrossRef]

Xu, Z. Y.

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

Zhang, C. B.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Zhang, G. Y.

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Zhang, H. L.

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

Zhu, S. N.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Zhu, Y. Y.

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. B (1)

J. L. He, G. Z. Luo, H. T. Wang, S. N. Zhu, Y. Y. Zhu, Y B. Chen, N. B. Ming, “Generation of 840 mW of red light by frequency doubling of a diode-pumped 1342 nm Nd:YVO 4 laser with periodically poled LiTaO3,” Appl. Phys. B 74, 537–539 (2002).
[CrossRef]

Appl. Phys. Lett. (1)

F. Song, C. B. Zhang, X. Ding, J. J. Xu, G. Y. Zhang, M. Leigh, N. Peyghambarian, “Determination of thermal focal length and pumping radius in gain medium in laser-diode-pumped Nd:YVO4 lasers,” Appl. Phys. Lett. 81, 2145–2147 (2002).
[CrossRef]

Chin. Sci. Bull. (1)

H. L. Zhang, W. Hou, J. M. Wang, Z. Y. Xu, B. C. Wu, C. T. Chen, “Diode-pumped Nd:YVO4 laser at 671 nm with a Type II noncritical phase-matched LBO,” Chin. Sci. Bull. 44, 1363–1366 (1999).
[CrossRef]

IEEE J. Quantum Electron. (6)

X. Y. Peng, L. Xu, A. Asundi, “Power scaling of a diode-pumped Nd:YVO4 laser,” IEEE J. Quantum Electron. 38, 1291–1299 (2002).
[CrossRef]

Y. F. Chen, “Design criteria for concentration optimization in scaling diode end-pumped lasers to high powers: influence of thermal fracture,” IEEE J. Quantum Electron. 35, 234–239 (1999).
[CrossRef]

Y. F. Chen, T. M. Huang, C. F. Kao, C. L. Wang, S. C. Wang, “Optimization in scaling fiber-coupled laser-diode end-pumped lasers to higher power: influence of the thermal effect,” IEEE J. Quantum Electron. 33, 1424–1429 (1997).
[CrossRef]

R. G. Smith, “Theory of intracavity optical second-harmonic generation,” IEEE J. Quantum Electron. 6, 215–223 (1970).
[CrossRef]

A. Ashkin, G. D. Boyd, J. N. Dziedzic, “Resonator optical second harmonic generation and mixing,” IEEE J. Quantum Electron. 2, 109–124 (1966).
[CrossRef]

Y. Inoue, S. Konno, T. Kojima, S. Fujikawa, “High-power red beam generation by frequency doubling of a Nd:YAG laser,” IEEE J. Quantum Electron. 35, 1737–1740 (1999).
[CrossRef]

IEEE Photonics Technol. Lett. (1)

Y. F. Chen, T. M. Huang, C. C. Liao, Y. P. Lan, S. C. Wang, “Efficient high-power diode-end-pumped TEM00Nd:YVO4 laser,” IEEE Photonics Technol. Lett. 11, 1241–1243 (1999).
[CrossRef]

J. Appl. Phys. (1)

A. W. Tucker, M. Birnbaum, C. L. Fincher, C. L. Fincher, J. W. Elder, “Stimulated-emission cross section at 1064 and 1342 nm in Nd:YVO4,” J. Appl. Phys. 48, 4907–4911 (1977).
[CrossRef]

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

Opt. Express (1)

Opt. Lett. (1)

Phys. Lett. (1)

D. Findly, R. A. Clay, “The measurement of internal losses in four-level lasers,” Phys. Lett. 20, 277–278 (1966).
[CrossRef]

Other (1)

W. Koechner, Solid-State Laser Engineering, 5th ed. (Springer-Verlag, 1999).
[CrossRef]

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Figures (6)

Fig. 1
Fig. 1

(a) Dimension of laser-crystal Nd:YVO4. (b) Comparison of the theoretical temperature distribution in the Nd:YVO4 crystal: dash–dotted curve, single-lens model; solid curve, double-lens model.

Fig. 2
Fig. 2

Measured thermal focal lengths versus incident pump power, squares, for double end pumping and, circles, for single end pumping: solid curves, fitted results.

Fig. 3
Fig. 3

Double-end-pumped experimental setup with a folded four-mirror resonator: L1, L2, distances between mirror M1 and the laser crystal and mirror M2 and the crystal, respectively; L3, L4 distances between mirrors M1 and M4 and mirrors M3 and M4, respectively. The distance between the LBO and mirror M4 is L5.

Fig. 4
Fig. 4

Theoretical fundamental radius in the LBO versus distance L5 between the LBO and mirror M4 for the double-lens and single-lens models: dash–dot curve, single-lens model; solid curve, double-lens model.

Fig. 5
Fig. 5

Experimental result contrast in the SHG output power at 671 nm when configurations based on the double-lens model and single-lens model are used: triangles, double-lens model when the LBO length l is 45 mm; dots, double-lens model when the LBO length l is 20 mm; stars, single-lens model when the LBO length l is 20 mm; solid curves, corresponding fitted results.

Fig. 6
Fig. 6

Stability of the cw 671 nm red output at a power level of 2.5 W.

Equations (2)

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P 2 ω = π ω 2 4 k I s 2 { ( k + δ I s ) + [ ( k + δ I s ) 2 + 4 k I s ( 2 K c P i γ ) ] 1 2 } 2 ,
k = 4 π 2 λ ω 2 Z 0 d eff 2 l 2 n 3 ω 2 ω s 2 β ,

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