Abstract

Efficient high-power operation of Cr:LiSAF, Cr:LiSGAF, and Cr:LiCAF lasers pumped by broad-area laser diodes is demonstrated. A maximum slope efficiency of 51% and output power of 0.55 W was reached at 1.2 W of absorbed pump power, which is the highest output power to date with broad-area laser diode pumping. With the laser design used the onset of thermal quenching in Cr:LiSAF due to high temperatures was pushed to higher pump powers and good mode matching was achieved.

© 2003 Optical Society of America

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  1. P.M. French, R. Mellish, J.R. Taylor, P.J. Delfyett, and L.T. Florez, “Mode-locked all-solid-state diode-pumped Cr:LiSAF laser,” Opt. Lett. 18 (22), 1934–1936 (1993).
    [CrossRef] [PubMed]
  2. I.T. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, H.P. Jenssen, and R. Szipöcs, “Prismless passively mode-locked femtosecond Cr:LiSGaF laser,” Opt. Lett. 21 (15), 1165–1167 (1996).
    [CrossRef] [PubMed]
  3. K.M. Gäbel, P. Rußbüldt, R. Lebert, and A. Valster, “Diode Pumped Cr3+:LiCAF fs-Laser,” Opt. Commun. 157, 327–334 (1998).
    [CrossRef]
  4. R. Mellish, N.P. Barry, S.C.W. Hyde, R. Jones, P.M.W. French, J.R. Taylor, C.J. Ven der Poel, and A. Valster, “Diode-pumped Cr:LiSAF all-solid-state femtosecond oscillator and regenerative amplifier,” Opt. Lett. 20 (22), 2312–2314 (1995).
    [CrossRef] [PubMed]
  5. D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
    [CrossRef]
  6. A. Isemann, H. Hundertmark, and C. Fallnich, “Diode-pumped Cr:LiCAF fs regenerative amplifier system seeded by an Er-doped mode-locked fiber laser,” Appl. Phys. B 74, 299–306 (2002).
    [CrossRef]
  7. L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
    [CrossRef]
  8. F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.
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    [CrossRef]
  10. F. Krausz, J. Zehetner, T. Brabec, and E. Wintner, “Elliptic-mode cavity for diode-pumped lasers,” Opt. Lett. 16 (19), 1496–1498 (1991).
    [CrossRef] [PubMed]
  11. D. Kopf, J. Aus der Au, U. Keller, G.L. Bona, and P. Roentgen, “400-mW continuous-wave diode-pumped Cr:LiSAF laser based on a power-scalable concept,” Opt. Lett. 20 (17), 1782–1784 (1995).
    [CrossRef] [PubMed]
  12. F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
    [CrossRef]
  13. S. A. Payne, L. Chase, and G. Wilke, “Optical spectroscopy of the new laser materials, LiSrAlF6:Cr3+ and LiCaAlF6:Cr3+,” J. Lumin. 44, 167–176 (1989).
    [CrossRef]
  14. L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
    [CrossRef]
  15. S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
    [CrossRef]
  16. R. Scheps, “Cr-doped solid state lasers pumped by visible laser diodes,” Opt. Mat. 1, 1–9 (1992).
    [CrossRef]
  17. F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
    [CrossRef]
  18. I.T. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, H.P. Jenssen, and M.A. Noginov, “Efficient Continuous-Wave TEM00 and Femtosecond Kerr-Lens Mode-Locked Cr:LiSrGaF Laser,” Opt. Lett. 21 (3), 204–206 (1996).
    [CrossRef] [PubMed]
  19. I. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, and H. Jenssen, “In Situ measurement of ESA, upconversion, and thermal quenching in Cr:LiSAF and Cr:LiSGAF lasers,” Advanced Solid State Lasers, OSA Technical Digest (Optical Society of America, Washington, D.C., 1997), pp. 411–414.
  20. P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
    [CrossRef]

2002 (1)

A. Isemann, H. Hundertmark, and C. Fallnich, “Diode-pumped Cr:LiCAF fs regenerative amplifier system seeded by an Er-doped mode-locked fiber laser,” Appl. Phys. B 74, 299–306 (2002).
[CrossRef]

2000 (1)

D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
[CrossRef]

1998 (1)

K.M. Gäbel, P. Rußbüldt, R. Lebert, and A. Valster, “Diode Pumped Cr3+:LiCAF fs-Laser,” Opt. Commun. 157, 327–334 (1998).
[CrossRef]

1997 (2)

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

1996 (2)

1995 (2)

1994 (1)

P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
[CrossRef]

1993 (1)

1992 (4)

R. Scheps, “Cr-doped solid state lasers pumped by visible laser diodes,” Opt. Mat. 1, 1–9 (1992).
[CrossRef]

M. Stalder, M. Bass, and B. Chai, “Thermal quenching of fluorescence in chromium-doped fluoride laser crystals,” J. Opt. Soc. Am. B 9 (12), 2271–2273 (1992).
[CrossRef]

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

1991 (1)

1989 (1)

S. A. Payne, L. Chase, and G. Wilke, “Optical spectroscopy of the new laser materials, LiSrAlF6:Cr3+ and LiCaAlF6:Cr3+,” J. Lumin. 44, 167–176 (1989).
[CrossRef]

1988 (1)

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

Aus der Au, J.

Balembois, F.

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.

Barry, N.P.

Bass, M.

Beaud, P.

P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
[CrossRef]

Bona, G.L.

Brabec, T.

Brun, A.

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.

Cassanho, A.

Chai, B.

Chai, B. H. T.

P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
[CrossRef]

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Chai, B.H.T.

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Chase, L.

S. A. Payne, L. Chase, and G. Wilke, “Optical spectroscopy of the new laser materials, LiSrAlF6:Cr3+ and LiCaAlF6:Cr3+,” J. Lumin. 44, 167–176 (1989).
[CrossRef]

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

Chase, L. L.

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Chase, L.L.

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Chen, Y.-F.

P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
[CrossRef]

Cole, M.J.

D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
[CrossRef]

Delfyett, P.J.

Druon, F.

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.

Falcoz, F.

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.

Fallnich, C.

A. Isemann, H. Hundertmark, and C. Fallnich, “Diode-pumped Cr:LiCAF fs regenerative amplifier system seeded by an Er-doped mode-locked fiber laser,” Appl. Phys. B 74, 299–306 (2002).
[CrossRef]

Florez, L.T.

French, P.M.

French, P.M.W.

D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
[CrossRef]

R. Mellish, N.P. Barry, S.C.W. Hyde, R. Jones, P.M.W. French, J.R. Taylor, C.J. Ven der Poel, and A. Valster, “Diode-pumped Cr:LiSAF all-solid-state femtosecond oscillator and regenerative amplifier,” Opt. Lett. 20 (22), 2312–2314 (1995).
[CrossRef] [PubMed]

Gäbel, K.M.

K.M. Gäbel, P. Rußbüldt, R. Lebert, and A. Valster, “Diode Pumped Cr3+:LiCAF fs-Laser,” Opt. Commun. 157, 327–334 (1998).
[CrossRef]

Georges, P.

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.

Grasbon, F.

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

Horvath, C.

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

Hundertmark, H.

A. Isemann, H. Hundertmark, and C. Fallnich, “Diode-pumped Cr:LiCAF fs regenerative amplifier system seeded by an Er-doped mode-locked fiber laser,” Appl. Phys. B 74, 299–306 (2002).
[CrossRef]

Hyde, S.C.W.

Isemann, A.

A. Isemann, H. Hundertmark, and C. Fallnich, “Diode-pumped Cr:LiCAF fs regenerative amplifier system seeded by an Er-doped mode-locked fiber laser,” Appl. Phys. B 74, 299–306 (2002).
[CrossRef]

Jenssen, H.

I. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, and H. Jenssen, “In Situ measurement of ESA, upconversion, and thermal quenching in Cr:LiSAF and Cr:LiSGAF lasers,” Advanced Solid State Lasers, OSA Technical Digest (Optical Society of America, Washington, D.C., 1997), pp. 411–414.

Jenssen, H.P.

Jones, R.

D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
[CrossRef]

R. Mellish, N.P. Barry, S.C.W. Hyde, R. Jones, P.M.W. French, J.R. Taylor, C.J. Ven der Poel, and A. Valster, “Diode-pumped Cr:LiSAF all-solid-state femtosecond oscillator and regenerative amplifier,” Opt. Lett. 20 (22), 2312–2314 (1995).
[CrossRef] [PubMed]

Jost, M.

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

Keller, U.

Kerboull, F.

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

Kopf, D.

Krausz, F.

Krupke, W. F.

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

Kway, W. L.

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Kway, W.L.

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Lebert, R.

K.M. Gäbel, P. Rußbüldt, R. Lebert, and A. Valster, “Diode Pumped Cr3+:LiCAF fs-Laser,” Opt. Commun. 157, 327–334 (1998).
[CrossRef]

Loesel, F.

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

Mellish, R.

Newkirk, H. W.

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

Niemz, M. H.

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

Noginov, M.A.

Parsons-Karavassilis, D.

D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
[CrossRef]

Payne, S. A.

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

S. A. Payne, L. Chase, and G. Wilke, “Optical spectroscopy of the new laser materials, LiSrAlF6:Cr3+ and LiCaAlF6:Cr3+,” J. Lumin. 44, 167–176 (1989).
[CrossRef]

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

Payne, S.A.

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Richardson, M. C.

P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
[CrossRef]

Roentgen, P.

Rußbüldt, P.

K.M. Gäbel, P. Rußbüldt, R. Lebert, and A. Valster, “Diode Pumped Cr3+:LiCAF fs-Laser,” Opt. Commun. 157, 327–334 (1998).
[CrossRef]

Scheps, R.

R. Scheps, “Cr-doped solid state lasers pumped by visible laser diodes,” Opt. Mat. 1, 1–9 (1992).
[CrossRef]

Smith, L. K.

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

Smith, L.K.

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

Sorokin, E.

Sorokina, I.

I. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, and H. Jenssen, “In Situ measurement of ESA, upconversion, and thermal quenching in Cr:LiSAF and Cr:LiSGAF lasers,” Advanced Solid State Lasers, OSA Technical Digest (Optical Society of America, Washington, D.C., 1997), pp. 411–414.

Sorokina, I.T.

Stalder, M.

Szipöcs, R.

Taylor, J.R.

Valster, A.

Ven der Poel, C.J.

Wilke, G.

S. A. Payne, L. Chase, and G. Wilke, “Optical spectroscopy of the new laser materials, LiSrAlF6:Cr3+ and LiCaAlF6:Cr3+,” J. Lumin. 44, 167–176 (1989).
[CrossRef]

Wintner, E.

Zehetner, J.

Appl. Phys. B (2)

A. Isemann, H. Hundertmark, and C. Fallnich, “Diode-pumped Cr:LiCAF fs regenerative amplifier system seeded by an Er-doped mode-locked fiber laser,” Appl. Phys. B 74, 299–306 (2002).
[CrossRef]

F. Loesel, C. Horvath, F. Grasbon, M. Jost, and M. H. Niemz, “Selfstarting femtosecond operation and transient dynamics of a diode-endpumped Cr:LiSGaF laser with a semiconductor saturable absorber mirror,” Appl. Phys. B 65, 783–787 (1997).
[CrossRef]

IEEE J. Quantum Electron. (5)

L.K. Smith, S.A. Payne, W.L. Kway, L.L. Chase, and B.H.T. Chai, “Investigation of the laser properties of Cr3+:LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

F. Balembois, F. Falcoz, F. Kerboull, F. Druon, P. Georges, and A. Brun, “Theoretical and Experimental Investigation of Small-Signal Gain for a Diode-Pumped Q-Switched Cr:LiSAF Laser,” IEEE J. Quantum Electron. 33 (2), 269–278 (1997).
[CrossRef]

L. K. Smith, S. A. Payne, W. L. Kway, L. L. Chase, and B. H. T. Chai, “Investigation of the laser properties of Cr3+ :LiSrGaF6,” IEEE J. Quantum Electron. 28 (11), 2612–2618 (1992).
[CrossRef]

S. A. Payne, L. Chase, H. W. Newkirk, L. K. Smith, and W. F. Krupke, LiCaAlF6:Cr3+: A promising new solid-state laser material,” IEEE J. Quantum Electron. 24 (11), 2243–2252 (1988).
[CrossRef]

P. Beaud, M. C. Richardson, Y.-F. Chen, and B. H. T. Chai, “Optical amplification characteristics of Cr:LiSAF and Cr:LiCAF under flashlamp-pumping,” IEEE J. Quantum Electron. 30 (5), 1259–1266 (1994).
[CrossRef]

J. Lumin. (1)

S. A. Payne, L. Chase, and G. Wilke, “Optical spectroscopy of the new laser materials, LiSrAlF6:Cr3+ and LiCaAlF6:Cr3+,” J. Lumin. 44, 167–176 (1989).
[CrossRef]

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

Opt. Commun. (2)

K.M. Gäbel, P. Rußbüldt, R. Lebert, and A. Valster, “Diode Pumped Cr3+:LiCAF fs-Laser,” Opt. Commun. 157, 327–334 (1998).
[CrossRef]

D. Parsons-Karavassilis, R. Jones, M.J. Cole, P.M.W. French, and J.R. Taylor, “Diode-pumped all-solid-state ultrafast Cr:LiSGAF laser oscillator-amplifier system applied to laser ablation,” Opt. Commun. 175, 389–396 (2000).
[CrossRef]

Opt. Lett. (6)

Opt. Mat. (1)

R. Scheps, “Cr-doped solid state lasers pumped by visible laser diodes,” Opt. Mat. 1, 1–9 (1992).
[CrossRef]

Other (2)

F. Balembois, F. Druon, F. Falcoz, P. Georges, and A. Brun, “Comparison between Cr:LiSAF and Cr:LiSGAF for cw diode-pumped Q-Switch operation,” OSA TOPS Advanced Solid State Lasers 10, of OSA Proceedings Series (Optical Society of America, D.C., 1997), pp. 170–173.

I. Sorokina, E. Sorokin, E. Wintner, A. Cassanho, and H. Jenssen, “In Situ measurement of ESA, upconversion, and thermal quenching in Cr:LiSAF and Cr:LiSGAF lasers,” Advanced Solid State Lasers, OSA Technical Digest (Optical Society of America, Washington, D.C., 1997), pp. 411–414.

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Figures (4)

Fig. 1.
Fig. 1.

Setup of the cw-Colquiriite laser. HR: high reflectivity mirror; PBS: polarizing beam splitter, λ/2: halfwave plate.

Fig. 2.
Fig. 2.

Output powers of Cr:LiSAF for a doping level of 1.5 at% and 3 at% at 2.2% output coupling when pumped from one side at different cooling temperatures. The output power for pumping from both sides for low doping is given for comparison.

Fig. 3.
Fig. 3.

Optimizing the output coupling. The normalized output power for various degrees of output coupling is depicted.

Fig. 4.
Fig. 4.

Comparison of the output power and slope efficiency of Cr:LiSAF, Cr:LiSGAF, and Cr:LiCAF for the same effective absorption length at optimum output coupling.

Tables (2)

Tables Icon

Table 1. Comparison of slope efficiencies from selected publications with this work.

Tables Icon

Table 2. Comparison of slope efficiencies of Cr:LiCAF cw-lasers in dependence on doping level, output coupling and pump source.

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