Abstract

We demonstrated continuous-wave (CW) and Q-switched operation of a room-temperature Ho:YAlO3 laser that is resonantly end-pumped by a diode-pumped Tm:YLF laser at 1.91 µm. The CW Ho:YAlO3 laser generated 5.5 W of linearly polarized (E‖c) output at 2118 nm with beam quality factor of M 2≈1.1 for an incident pump power of 13.8 W, corresponding to optical-to-optical conversion efficiency of 40%. Up to 1-mJ energy per pulse at pulse repetition frequency (PRF) of 5 kHz, and the maximum average power of 5.3-W with FWHM pulse duration of 30.5 ns at 20 kHz were achieved in Q-switched mode.

© 2008 Optical Society of America

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  1. T. J. Carrig, "Novel pulsed solid-State sources for laser remote sensing." Proc. SPIE 5620, 187-198 (2004).
    [CrossRef]
  2. P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-?m-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
    [CrossRef]
  3. D. W. Hart, M. Jani, and N. P. Barnes, "Room-temperature lasing of end-pumped Ho:Lu3Al5O12," Opt. Lett. 21, 728-730 (1996)
    [CrossRef] [PubMed]
  4. P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
    [CrossRef]
  5. E. Lippert, S. Nicolas, G. Arisholm, K. Stenersen, A. S. Villanger, and G. Rustad, " High-power fiber-laser-pumped mid-infrared laser sources," Proc. SPIE 6397, 639704 1-7(2006).
  6. A. Dergachev, D. Armstrong, A. Smith, T. Drake, and M. Dubois, "3.4-?m ZGP RISTRA nanosecond optical parametric oscillator pumped by a 2.05-?m Ho:YLF MOPA system," Opt. Express 15, 14404-14413 (2007).
    [CrossRef] [PubMed]
  7. M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
    [CrossRef]
  8. M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
    [CrossRef]
  9. M. E. Storm, "Holmium YLF amplifier performance and the prospect for multi-Joule energies using diode-laser pumping," IEEE J. Quantum Electron. 29, 440-451(1993).
    [CrossRef]
  10. S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
    [CrossRef]
  11. E. Lippert, S. Nicolas, G. Arisholm, K. Stenersen, and G. Rustad, "Midinfrared laser source with high power and beam quality," Appl. Opt. 45, 3839-3845 (2006)
    [CrossRef] [PubMed]
  12. P. Cerny and D. Burns, "Modeling and experimental investigation of a diode-pumped Tm:YAlO3 laser with a- and b-cut crystal orientations," IEEE J. Sel. Top. Quantum Electron. 11, 676-683 (2005).
  13. A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
    [CrossRef]
  14. T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
    [CrossRef]
  15. B. M. Walsh and N. P. Barnes, "Spectroscopy and modeling of solid state lanthanide lasers: application to trivalent Tm3+ and Ho3+ in YLiF4 and LuLiF4," J. Appl. Phys. 95, 3255-3271 (2004).
    [CrossRef]
  16. R. C. Stoneman and L. Esterowitz, "Efficient 1.94-?m Tm:YALO laser," IEEE J. Sel. Top. Quantum Electron. 1, 78-80 (1995).
    [CrossRef]
  17. B. Yao, L. Li, L. Zheng, Y. Wang, G. Zhao, and J. Xu, "Diode-pumped continuous wave and Q-switched operation of a c-cut Tm,Ho:YAlO3 laser," Opt. Express 16, 5075-5081 (2008).
    [CrossRef] [PubMed]
  18. International Organization for Standardization, "Lasers and laser-related equipment - Test methods for laser beam parameters - Beam widths, divergence angle and beam propagation factor," ISO 11146, (Geneva, 1999).
  19. V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
    [CrossRef]

2008 (2)

B. Yao, L. Li, L. Zheng, Y. Wang, G. Zhao, and J. Xu, "Diode-pumped continuous wave and Q-switched operation of a c-cut Tm,Ho:YAlO3 laser," Opt. Express 16, 5075-5081 (2008).
[CrossRef] [PubMed]

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

2007 (1)

2006 (1)

2005 (2)

P. Cerny and D. Burns, "Modeling and experimental investigation of a diode-pumped Tm:YAlO3 laser with a- and b-cut crystal orientations," IEEE J. Sel. Top. Quantum Electron. 11, 676-683 (2005).

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

2004 (2)

T. J. Carrig, "Novel pulsed solid-State sources for laser remote sensing." Proc. SPIE 5620, 187-198 (2004).
[CrossRef]

B. M. Walsh and N. P. Barnes, "Spectroscopy and modeling of solid state lanthanide lasers: application to trivalent Tm3+ and Ho3+ in YLiF4 and LuLiF4," J. Appl. Phys. 95, 3255-3271 (2004).
[CrossRef]

2000 (2)

P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-?m-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
[CrossRef]

P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
[CrossRef]

1996 (1)

1995 (1)

R. C. Stoneman and L. Esterowitz, "Efficient 1.94-?m Tm:YALO laser," IEEE J. Sel. Top. Quantum Electron. 1, 78-80 (1995).
[CrossRef]

1993 (1)

M. E. Storm, "Holmium YLF amplifier performance and the prospect for multi-Joule energies using diode-laser pumping," IEEE J. Quantum Electron. 29, 440-451(1993).
[CrossRef]

1992 (1)

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

1988 (1)

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
[CrossRef]

1973 (1)

M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
[CrossRef]

1969 (1)

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

Andringa, K.

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

Arisholm, G.

Armstrong, D.

Ballato, J.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Barnes, N. P.

B. M. Walsh and N. P. Barnes, "Spectroscopy and modeling of solid state lanthanide lasers: application to trivalent Tm3+ and Ho3+ in YLiF4 and LuLiF4," J. Appl. Phys. 95, 3255-3271 (2004).
[CrossRef]

D. W. Hart, M. Jani, and N. P. Barnes, "Room-temperature lasing of end-pumped Ho:Lu3Al5O12," Opt. Lett. 21, 728-730 (1996)
[CrossRef] [PubMed]

Bass, M.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
[CrossRef]

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

Bua, D. P.

M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
[CrossRef]

Budni, P. A.

P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
[CrossRef]

P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-?m-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
[CrossRef]

Burns, D.

P. Cerny and D. Burns, "Modeling and experimental investigation of a diode-pumped Tm:YAlO3 laser with a- and b-cut crystal orientations," IEEE J. Sel. Top. Quantum Electron. 11, 676-683 (2005).

Byer, R. L.

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
[CrossRef]

Carrig, T. J.

T. J. Carrig, "Novel pulsed solid-State sources for laser remote sensing." Proc. SPIE 5620, 187-198 (2004).
[CrossRef]

Cerny, P.

P. Cerny and D. Burns, "Modeling and experimental investigation of a diode-pumped Tm:YAlO3 laser with a- and b-cut crystal orientations," IEEE J. Sel. Top. Quantum Electron. 11, 676-683 (2005).

Chase, L. L.

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

Chen, Y.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Chicklis, E. P.

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-?m-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
[CrossRef]

P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
[CrossRef]

Comperchio, E.

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

Dergachev, A.

Drake, T.

Dubois, M.

Esterowitz, L.

R. C. Stoneman and L. Esterowitz, "Efficient 1.94-?m Tm:YALO laser," IEEE J. Sel. Top. Quantum Electron. 1, 78-80 (1995).
[CrossRef]

Fan, T. Y.

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
[CrossRef]

Francis, M. P.

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

Hart, D. W.

Huber, G.

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
[CrossRef]

Jani, M.

Konves, J. R.

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

Krupke, W. F.

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

Kway, W. L.

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

Lemons, M. L.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-?m-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
[CrossRef]

P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
[CrossRef]

Li, L.

Lippert, E.

McComb, T.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Miller, C. A.

Mitzscherlich, P.

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
[CrossRef]

Monchamp, R. R.

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

Mosto, J. R.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, C. A. Miller, J. R. Mosto, and E. P. Chicklis, "Efficient mid-infrared laser using 1.9-?m-pumped Ho:YAG and ZnGeP2 optical parametric oscillators," J. Opt. Soc. Am. B 17, 723-728 (2000).
[CrossRef]

P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
[CrossRef]

Nicolas, S.

Payne, A.

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

Pomeranz, L. A.

Richardson, M.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Rustad, G.

Setzler, S. D.

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

Siegman, A. E.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Smith, A.

Smith, L. K.

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

Stenersen, K.

Stoneman, R. C.

R. C. Stoneman and L. Esterowitz, "Efficient 1.94-?m Tm:YALO laser," IEEE J. Sel. Top. Quantum Electron. 1, 78-80 (1995).
[CrossRef]

Storm, M. E.

M. E. Storm, "Holmium YLF amplifier performance and the prospect for multi-Joule energies using diode-laser pumping," IEEE J. Quantum Electron. 29, 440-451(1993).
[CrossRef]

Sudesh, V.

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Varitimos, T. E.

M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
[CrossRef]

Walsh, B. M.

B. M. Walsh and N. P. Barnes, "Spectroscopy and modeling of solid state lanthanide lasers: application to trivalent Tm3+ and Ho3+ in YLiF4 and LuLiF4," J. Appl. Phys. 95, 3255-3271 (2004).
[CrossRef]

Wang, Y.

Weber, M. J.

M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
[CrossRef]

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

Xu, J.

Yao, B.

Young, Y. E.

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

Zhao, G.

Zheng, L.

Appl. Opt. (1)

Appl. Phys. B (1)

V. Sudesh, T. McComb, Y. Chen, M. Bass, M. Richardson, J. Ballato, and A. E. Siegman, "Diode-pumped 200-?m diameter core, gain-guided, index-antiguided single mode fiber laser," Appl. Phys. B 90, 369-372 (2008).
[CrossRef]

Appl. Phys. Lett. (1)

M. J. Weber, M. Bass, K. Andringa, R. R. Monchamp, and E. Comperchio, "Czochralski growth and properties of YAlO3 laser crystals," Appl. Phys. Lett. 15,342-345(1969).
[CrossRef]

IEEE J. Quantum Electron. (4)

M. J. Weber, M. Bass, T. E. Varitimos, and D. P. Bua, "Laser action from Ho3+, Er3+, and Tm3+ in YAlO3," IEEE J. Quantum Electron. 9, 1079-1086 (1973).
[CrossRef]

M. E. Storm, "Holmium YLF amplifier performance and the prospect for multi-Joule energies using diode-laser pumping," IEEE J. Quantum Electron. 29, 440-451(1993).
[CrossRef]

A. Payne, L. L. Chase, L. K. Smith, W. L. Kway, and W. F. Krupke, "Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+," IEEE J. Quantum Electron. 28, 1619-1630 (1992).
[CrossRef]

T. Y. Fan, G. Huber, R. L. Byer, and P. Mitzscherlich, "Spectroscopy and diode laser-pumped operation of Tm, Ho:YAG," IEEE J. Quantum Electron. 24, 924-933 (1988).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (4)

R. C. Stoneman and L. Esterowitz, "Efficient 1.94-?m Tm:YALO laser," IEEE J. Sel. Top. Quantum Electron. 1, 78-80 (1995).
[CrossRef]

P. Cerny and D. Burns, "Modeling and experimental investigation of a diode-pumped Tm:YAlO3 laser with a- and b-cut crystal orientations," IEEE J. Sel. Top. Quantum Electron. 11, 676-683 (2005).

S. D. Setzler, M. P. Francis, Y. E. Young, J. R. Konves, and E. P. Chicklis, "Resonantly pumped eyesafe erbium lasers," IEEE J. Sel. Top. Quantum Electron. 11, 645-657(2005).
[CrossRef]

P. A. Budni, M. L. Lemons, J. R. Mosto, and E. P. Chicklis, "High-power/high-brightness diode-pumped 1.9-?m thulium and resonantly pumped 2.1-?m holmium lasers," IEEE J. Sel. Top. Quantum Electron. 6, 629-636(2000).
[CrossRef]

J. Appl. Phys. (1)

B. M. Walsh and N. P. Barnes, "Spectroscopy and modeling of solid state lanthanide lasers: application to trivalent Tm3+ and Ho3+ in YLiF4 and LuLiF4," J. Appl. Phys. 95, 3255-3271 (2004).
[CrossRef]

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

Opt. Express (2)

Opt. Lett. (1)

Proc. SPIE (1)

T. J. Carrig, "Novel pulsed solid-State sources for laser remote sensing." Proc. SPIE 5620, 187-198 (2004).
[CrossRef]

Other (2)

International Organization for Standardization, "Lasers and laser-related equipment - Test methods for laser beam parameters - Beam widths, divergence angle and beam propagation factor," ISO 11146, (Geneva, 1999).

E. Lippert, S. Nicolas, G. Arisholm, K. Stenersen, A. S. Villanger, and G. Rustad, " High-power fiber-laser-pumped mid-infrared laser sources," Proc. SPIE 6397, 639704 1-7(2006).

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Figures (8)

Fig. 1.
Fig. 1.

Energy level diagram of Ho3+ in YAlO3 at 2 K.

Fig. 2.
Fig. 2.

Polarized absorption cross sections of Ho:YAlO3 at 20▫

Fig. 3.
Fig. 3.

Room temperature Ho:YAlO3 polarized fluorescence spectrum

Fig. 4.
Fig. 4.

Schematic diagram of a Ho:YAlO3 laser pumped by a Tm:YLF laser. 0o HT@1.91 µm &HR@2.12 µm mirror for single-pass pumping, and 0° HT@1.91~2.12 µm mirror for double-pass pumping.

Fig. 5.
Fig. 5.

Power performance of Ho:YAlO3 laser in a single-pass pumping configuration for four different laser output mirror transmissivities.

Fig. 6.
Fig. 6.

Continuous-wave and Q-switched output power of Ho:YAlO3 laser in a double-pass pumping configuration versus the incident Tm:YLF power.

Fig. 7.
Fig. 7.

M2 measurement of the Ho:YAlO3 laser output at the 5.5-W output power level. Inset, typical 2D beam profiles taken by a Spiricon Pyrocam I pyroelectric camera.

Fig. 8.
Fig. 8.

Ho:YAlO3 laser output spectrum recorded with a Burleigh WA-650 spectrum analyzer combined with a Burleigh WA-1500 wavemeter.

Tables (2)

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Table 1. Population fraction of 5I7 and 5I8 in the laser and pump levels for Ho:YAlO3, Ho:YAG and Ho:YLF at 300K.

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Table 2 Performance of Q-switched Ho:YAlO3 laser

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