Abstract

We demonstrate an efficient cw 976-nm-diode-pumped Yb3+:Ca4GdO(BO3)3 laser. At room temperature we obtained 814 mW of power with a slope efficiency of 77% and a small-signal gain per round trip of 1.67. We also demonstrate that the Yb3+:Ca4LnO(BO3)3 (Ln=Gd, Y) crystals are suitable for a plano–plano microchip-type cavity. With this microlaser we have obtained an average power of 300 mW, which corresponds to an optical–optical conversion efficiency of 27%.

© 2000 Optical Society of America

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  1. P. Lacovara, H. K. Choi, C. A. Wang, R. L. Aggarwal, and T. Y. Fan, “Room-temperature diode-pumped Yb:YAG laser,” Opt. Lett. 16, 1089–1091 (1991).
    [CrossRef] [PubMed]
  2. D. S. Sumida and T. Y. Fan, “Room-temperature 50-mJ/pulse side-diode-pumped Yb:YAG laser,” Opt. Lett. 20, 2384–2386 (1995).
    [CrossRef]
  3. U. Brauch, A. Giesen, M. Karszewski, Chr. Stewen, and A. Voss, “Multiwatt diode-pumped Yb:YAG thin disk laser continuously tunable between 1018 and 1053 nm,” Opt. Lett. 20, 713–715 (1995).
    [CrossRef] [PubMed]
  4. T. Taira, J. Saikawa, E. Yamaguchi, T. Kobayashi, and R. L. Byer, “Single longitudinal mode oscillation in frequency doubled Yb:YAG miniature laser,” in Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 119–121.
  5. M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
    [CrossRef]
  6. C. Hönninger, F. Morier-Genoud, M. Moser, U. Keller, L. R. Brovelli, and C. Harder, “Efficient and tunable diode-pumped femtosecond Yb:glass lasers,” Opt. Lett. 23, 126–128 (1998).
    [CrossRef]
  7. T. Y. Fan, “Optimizing the efficiency and stored energy in quasi-three-level lasers,” IEEE J. Quantum Electron. 28, 2692–2697 (1992).
    [CrossRef]
  8. K. I. Schaffers, A. J. Bayramian, C. D. Marshall, J. B. Tassano, and S. A. Payne, “Analysis of Sr5xBax(PO4)3F:Yb3+ crystals for improved laser performance with diode-pumping,” in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 420–424.
  9. D. C. Brown, “Ultrahigh-average-power diode-pumped Nd:YAG and Yb:YAG lasers,” IEEE J. Quantum Electron. 33, 861–873 (1997).
    [CrossRef]
  10. C. D. Marshall, S. A. Payne, L. K. Smith, R. J. Beach, M. A. Emanuel, J. A. Skidmore, H. T. Powell, W. F. Krupke, and B. H. T. Chai, “Diode-pumped Yb:Sr5(PO4)3F laser performance,” in Advanced Solid-State Lasers, B. Chai and S. Payne, eds., Vol. 24 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1995), pp. 333–338.
  11. F. Augé, F. Balembois, P. Georges, A. Brun, F. Mougel, G. Aka, A. Khan-Harari, and D. Vivien, “Efficient and tunable continuous-wave diode-pumped Yb3+:CaGdO(BO)3)3 laser,” Appl. Opt. 38, 976–979 (1999).
    [CrossRef]
  12. H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
    [CrossRef]
  13. F. Mougel, K. Dardenne, G. Aka, A. Khan-Harari, and D. Vivien, “Ytterbium-doped Ca4GdO(BO3)3: an efficient infrared laser and self-frequency doubling crystal,” J. Opt. Soc. Am. B 16, 164–172 (1999).
    [CrossRef]
  14. P. Wang, J. M. Dawes, P. Dekker, and J. A. Piper, “Highly efficient diode-pumped ytterbium doped yttrium aluminum borate laser,” in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1999), postdeadline paper 15.
  15. S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
    [CrossRef]
  16. S. Erhard, K. Contag, A. Giesen, I. Johannsen, M. Karszewski, T. Rupp, and C. Stewen, “Novel pump design of Yb:YAG thin disc laser for operation at room temperature with improved efficiency,” in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1999), paper MC3.
  17. E. Mix, L. Fornasiero, A. Diening, K. Petermann, and G. Huber, “Diode-pumped laser-operation of Yb:Sc2O3 at room-temperature,” in Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 122–124.
  18. E. Mix, E. Heumann, G. Huber, D. Ehrt, and W. Seeber, “Efficient cw-laser of Yb-doped fluoride phosphate glass at room temperature,” in Advanced Solid-State Lasers, B. Chai and S. Payne, eds., Vol. 24 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1995), pp. 339–347.
  19. G. Aka, A. Khan-Harari, F. Mougel, D. Vivien, F. Salin, P. Coquelin, P. Colin, D. Pelenc, and J. P. Damelet, “Linear- nonlinear-optical properties of new gadolinium calcium oxoborate crystal, Ca4GdO(BO3)3,” J. Opt. Soc. Am. B 14, 2238–2247 (1997).
    [CrossRef]
  20. C. Hönninger, Ultrafast Ytterbium-Doped Bulk Lasers and Laser Amplifiers, Vol. 9 of Series in Quantum Electronics (Hartung-Gorre Verlag, Kontanz, 1999), pp. 59, 65.
  21. I. Chartier, C. Wyon, D. Pelenc, B. Ferrand, D. P. Shepherd, and D. C. Hanna, “High slope efficiency and low threshold in a diode pumped epitaxially grown Yb:YAG waveguide laser,” in New Materials for Advanced Solid State Lasers, B. H. T. Chai, S. A. Payne, T. Y. Fan, A. Cassanho, and T. H. Allik, eds. (Materials Research Society, Pittsburgh, Pa. 1994), pp. 179–184.
  22. X. Griebner, R. Koch, H. Schönnagel, S. Jiang M. J. Myer, D. Rhonehouse, S. J. Hamlin, W. A. Clarkson, and D. C. Hanna, “Laser performance of a new ytterbium doped phosphate laser glass,” in Advanced Solid-State Lasers, S. A. Payne and C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 26–29.
  23. B. H. T. Chai, D. A. Hammons, J. M. Eichenholz, Q. Ye, W. K. Jang, L. Shah, G. M. Luntz, M. Richardson, and H. Qiu, “Lasing, second harmonic conversion and self-frequency doubling of Yb:YCOB (Yb:YCa4B3O10),” in Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 59–61.
  24. F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
    [CrossRef]

1999 (3)

1998 (1)

1997 (3)

D. C. Brown, “Ultrahigh-average-power diode-pumped Nd:YAG and Yb:YAG lasers,” IEEE J. Quantum Electron. 33, 861–873 (1997).
[CrossRef]

G. Aka, A. Khan-Harari, F. Mougel, D. Vivien, F. Salin, P. Coquelin, P. Colin, D. Pelenc, and J. P. Damelet, “Linear- nonlinear-optical properties of new gadolinium calcium oxoborate crystal, Ca4GdO(BO3)3,” J. Opt. Soc. Am. B 14, 2238–2247 (1997).
[CrossRef]

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

1996 (1)

M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
[CrossRef]

1995 (2)

1994 (1)

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

1992 (1)

T. Y. Fan, “Optimizing the efficiency and stored energy in quasi-three-level lasers,” IEEE J. Quantum Electron. 28, 2692–2697 (1992).
[CrossRef]

1991 (1)

Aggarwal, R. L.

Aka, G.

Augé, F.

Balembois, F.

F. Augé, F. Balembois, P. Georges, A. Brun, F. Mougel, G. Aka, A. Khan-Harari, and D. Vivien, “Efficient and tunable continuous-wave diode-pumped Yb3+:CaGdO(BO)3)3 laser,” Appl. Opt. 38, 976–979 (1999).
[CrossRef]

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

Brauch, U.

Brovelli, L. R.

Brown, D. C.

D. C. Brown, “Ultrahigh-average-power diode-pumped Nd:YAG and Yb:YAG lasers,” IEEE J. Quantum Electron. 33, 861–873 (1997).
[CrossRef]

Brun, A.

F. Augé, F. Balembois, P. Georges, A. Brun, F. Mougel, G. Aka, A. Khan-Harari, and D. Vivien, “Efficient and tunable continuous-wave diode-pumped Yb3+:CaGdO(BO)3)3 laser,” Appl. Opt. 38, 976–979 (1999).
[CrossRef]

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

Cheng, R.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Choi, H. K.

Colin, P.

Coquelin, P.

Damelet, J. P.

Dardenne, K.

Dawes, J.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Dekker, P.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

DeLoach, L. D.

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

Dickinson, M. R.

M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
[CrossRef]

Druon, F.

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

Falcoz, F.

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

Fan, T. Y.

Georges, P.

F. Augé, F. Balembois, P. Georges, A. Brun, F. Mougel, G. Aka, A. Khan-Harari, and D. Vivien, “Efficient and tunable continuous-wave diode-pumped Yb3+:CaGdO(BO)3)3 laser,” Appl. Opt. 38, 976–979 (1999).
[CrossRef]

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

Giesen, A.

Gloster, L. A. W.

M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
[CrossRef]

Harder, C.

Hönninger, C.

Hopps, N. W.

M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
[CrossRef]

Karszewski, M.

Keller, U.

Kerboull, F.

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

Khan-Harari, A.

King, T. A.

M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
[CrossRef]

Krupke, W. F.

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

Kway, W. L.

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

Lacovara, P.

Liu, L.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Meng, X.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Morier-Genoud, F.

Moser, M.

Mougel, F.

Payne, S. A.

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

Pelenc, D.

Salin, F.

Smith, L. K.

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

Stewen, Chr.

Sumida, D. S.

Sun, L.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Tassano, J. B.

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

Vivien, D.

Voss, A.

Wang, C. A.

Wang, P.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Zhang, H.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Zhang, S.

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. B (1)

H. Zhang, X. Meng, P. Wang, L. Liu, R. Cheng, J. Dawes, P. Dekker, S. Zhang, and L. Sun, “Slope efficiency of up to 73% for Yb:Ca4YO(BO3)3 crystal laser pumped by a laser diode,” Appl. Phys. B 68, 1147–1149 (1999).
[CrossRef]

IEEE J. Quantum Electron. (4)

T. Y. Fan, “Optimizing the efficiency and stored energy in quasi-three-level lasers,” IEEE J. Quantum Electron. 28, 2692–2697 (1992).
[CrossRef]

S. A. Payne, L. K. Smith, L. D. DeLoach, W. L. Kway, J. B. Tassano, and W. F. Krupke, “Laser, optical, and thermomechanical properties of Yb-doped fluorapatite,” IEEE J. Quantum Electron. 30, 170–179 (1994).
[CrossRef]

F. Balembois, F. Kerboull, F. Druon, F. Falcoz, P. Georges, A. Brun, “Theoretical and experimental investigations of small-signal gain for a diode-pumped Q-switched Cr:LiSAF laser,” IEEE J. Quantum Electron. 33, 269–278 (1997).
[CrossRef]

D. C. Brown, “Ultrahigh-average-power diode-pumped Nd:YAG and Yb:YAG lasers,” IEEE J. Quantum Electron. 33, 861–873 (1997).
[CrossRef]

J. Opt. Soc. Am. B (2)

Opt. Commun. (1)

M. R. Dickinson, L. A. W. Gloster, N. W. Hopps, and T. A. King, “Continuous-wave diode-pumped Yb3+:S-FAP laser,” Opt. Commun. 132, 275–278 (1996).
[CrossRef]

Opt. Lett. (4)

Other (11)

C. D. Marshall, S. A. Payne, L. K. Smith, R. J. Beach, M. A. Emanuel, J. A. Skidmore, H. T. Powell, W. F. Krupke, and B. H. T. Chai, “Diode-pumped Yb:Sr5(PO4)3F laser performance,” in Advanced Solid-State Lasers, B. Chai and S. Payne, eds., Vol. 24 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1995), pp. 333–338.

P. Wang, J. M. Dawes, P. Dekker, and J. A. Piper, “Highly efficient diode-pumped ytterbium doped yttrium aluminum borate laser,” in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1999), postdeadline paper 15.

T. Taira, J. Saikawa, E. Yamaguchi, T. Kobayashi, and R. L. Byer, “Single longitudinal mode oscillation in frequency doubled Yb:YAG miniature laser,” in Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 119–121.

K. I. Schaffers, A. J. Bayramian, C. D. Marshall, J. B. Tassano, and S. A. Payne, “Analysis of Sr5xBax(PO4)3F:Yb3+ crystals for improved laser performance with diode-pumping,” in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol. 10 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1997), pp. 420–424.

S. Erhard, K. Contag, A. Giesen, I. Johannsen, M. Karszewski, T. Rupp, and C. Stewen, “Novel pump design of Yb:YAG thin disc laser for operation at room temperature with improved efficiency,” in Digest of Conference on Advanced Solid-State Lasers (Optical Society of America, Washington, D.C., 1999), paper MC3.

E. Mix, L. Fornasiero, A. Diening, K. Petermann, and G. Huber, “Diode-pumped laser-operation of Yb:Sc2O3 at room-temperature,” in Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 122–124.

E. Mix, E. Heumann, G. Huber, D. Ehrt, and W. Seeber, “Efficient cw-laser of Yb-doped fluoride phosphate glass at room temperature,” in Advanced Solid-State Lasers, B. Chai and S. Payne, eds., Vol. 24 of OSA Proceedings Series (Optical Society of America, Washington, D.C., 1995), pp. 339–347.

C. Hönninger, Ultrafast Ytterbium-Doped Bulk Lasers and Laser Amplifiers, Vol. 9 of Series in Quantum Electronics (Hartung-Gorre Verlag, Kontanz, 1999), pp. 59, 65.

I. Chartier, C. Wyon, D. Pelenc, B. Ferrand, D. P. Shepherd, and D. C. Hanna, “High slope efficiency and low threshold in a diode pumped epitaxially grown Yb:YAG waveguide laser,” in New Materials for Advanced Solid State Lasers, B. H. T. Chai, S. A. Payne, T. Y. Fan, A. Cassanho, and T. H. Allik, eds. (Materials Research Society, Pittsburgh, Pa. 1994), pp. 179–184.

X. Griebner, R. Koch, H. Schönnagel, S. Jiang M. J. Myer, D. Rhonehouse, S. J. Hamlin, W. A. Clarkson, and D. C. Hanna, “Laser performance of a new ytterbium doped phosphate laser glass,” in Advanced Solid-State Lasers, S. A. Payne and C. R. Pollock, eds., Vol. 1 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1996), pp. 26–29.

B. H. T. Chai, D. A. Hammons, J. M. Eichenholz, Q. Ye, W. K. Jang, L. Shah, G. M. Luntz, M. Richardson, and H. Qiu, “Lasing, second harmonic conversion and self-frequency doubling of Yb:YCOB (Yb:YCa4B3O10),” in Advanced Solid State Lasers, W. R. Bosenberg and M. M. Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 1998), pp. 59–61.

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Figures (4)

Fig. 1
Fig. 1

Experimental setups. A, L cavity; B, Plano–plano cavity. DM, dichroic mirrors with high transmission at 976 nm, high reflection between 1000 and 1100 nm; DM1, plane mirror; DM2, 100-mm curvature radius mirror; OC, output coupler.

Fig. 2
Fig. 2

Tunability of the Yb:GdCOB laser diode pumped at 976 nm. The sharp edges at 1018 and 1086 nm are due to the cutoff of the mirrors.

Fig. 3
Fig. 3

Output power of the laser versus absorbed pump power for the double-side pumped 15%-doped Yb:GdCOB laser emitting at 1050 nm.

Fig. 4
Fig. 4

A, Output power of the laser versus absorbed pump power for the plano–plano 35%-doped Yb:YCOB laser emitting at 1050 nm. B, Corresponding beam profile.

Tables (1)

Tables Icon

Table 1 Comparison of Yb:LnCOB with Other Yb-Doped Matrixes

Equations (1)

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f=λσabs(λ)Ip(λ)dλσabs(λpeak)λIp(λ)dλ,

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