Abstract

An investigation is made into a quasi-CW (QCW) diode-pumped holographic adaptive laser utilising an ultra high gain (~104) Nd:YVO4 bounce amplifier. The laser produces pulses at 1064nm with energy ~0.6mJ, duration <3ns and peak power ~200kW, with high stability, via self-Q-switching effects due to the transient dynamics of the writing and replay of the gain hologram for each pump pulse. The system produces a near-diffraction-limited output with M2<1.3 and operates with a single longitudinal mode. In a further adaptive laser configuration, the output was amplified to obtain pulses of ~5.6mJ energy, ~7ns duration and ~1MW peak power. The output spatial quality is also M2<1.3 with SLM operation. Up to 2.9mJ pulse energy of frequency doubled green (532nm) radiation is obtained, using an LBO crystal, representing ~61% conversion efficiency. This work shows that QCW diode-pumped self-adaptive holographic lasers can provide a useful source of high peak power, short duration pulses with excellent spatial quality and narrow linewidth spectrum.

© 2007 Optical Society of America

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References

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  1. W. Koechner, Solid-State Laser Engineering (Springer-Verlag, Berlin, 1999).
  2. R. P. Green, G. J. Crofts and M. J. Damzen, "Holographic laser resonators in Nd:YAG," Opt. Lett 19, 393-395 (1994).
    [PubMed]
  3. K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
    [CrossRef]
  4. M. J. Damzen, R. P. Green and K. S. Syed, "Self-adaptive solid-state laser oscillator formed by dynamic gain-grating holograms," Opt. Lett. 20, 1704-1706 (1995).
    [CrossRef] [PubMed]
  5. A. Brignon, G. Feugnet, J.-P. Huignard and J.-P. Pocholle, "Multipass degenerate four-wave mixing in a diode-pumped Nd:YVO4 saturable amplifier," J. Opt. Soc. Am. B 12, 1316-1325 (1995).
    [CrossRef]
  6. O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
    [CrossRef]
  7. B. A. Thompson, A. Minassian and M. J. Damzen, "Operation of a 33-W, continuous wave, self-adaptive, solid-state laser oscillator," J. Opt. Soc. Am. B 20, 857-862 (2003).
    [CrossRef]
  8. J. E. Bernard and A. J. Alcock, "High-efficiency diode-pumped Nd:YVO4 slab laser," Opt. Lett. 18, 968-970 (1993).
    [CrossRef] [PubMed]
  9. A. Minassian, B. A. Thompson and M. J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
    [CrossRef]
  10. A. Minassian, B. A. Thompson and M. J. Damzen, "High-power TEM00 grazing-incidence Nd:YVO4 oscillators in single and multiple bounce configurations," Opt. Commun. 245, 295-300 (2005).
    [CrossRef]
  11. G. Smith and M. J. Damzen, "Spatially-selective amplified spontaneous emission source derived from an ultra-high gain solid-state amplifier," Opt. Express 14, 3318-3323 (2006).
    [CrossRef] [PubMed]

2006 (1)

2005 (1)

A. Minassian, B. A. Thompson and M. J. Damzen, "High-power TEM00 grazing-incidence Nd:YVO4 oscillators in single and multiple bounce configurations," Opt. Commun. 245, 295-300 (2005).
[CrossRef]

2004 (1)

O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
[CrossRef]

2003 (2)

B. A. Thompson, A. Minassian and M. J. Damzen, "Operation of a 33-W, continuous wave, self-adaptive, solid-state laser oscillator," J. Opt. Soc. Am. B 20, 857-862 (2003).
[CrossRef]

A. Minassian, B. A. Thompson and M. J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
[CrossRef]

1995 (2)

1994 (2)

R. P. Green, G. J. Crofts and M. J. Damzen, "Holographic laser resonators in Nd:YAG," Opt. Lett 19, 393-395 (1994).
[PubMed]

K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
[CrossRef]

1993 (1)

Alcock, A. J.

Antipov, O.

O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
[CrossRef]

Bernard, J. E.

Brignon, A.

Crofts, G. J.

R. P. Green, G. J. Crofts and M. J. Damzen, "Holographic laser resonators in Nd:YAG," Opt. Lett 19, 393-395 (1994).
[PubMed]

K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
[CrossRef]

Damzen, M. J.

G. Smith and M. J. Damzen, "Spatially-selective amplified spontaneous emission source derived from an ultra-high gain solid-state amplifier," Opt. Express 14, 3318-3323 (2006).
[CrossRef] [PubMed]

A. Minassian, B. A. Thompson and M. J. Damzen, "High-power TEM00 grazing-incidence Nd:YVO4 oscillators in single and multiple bounce configurations," Opt. Commun. 245, 295-300 (2005).
[CrossRef]

A. Minassian, B. A. Thompson and M. J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
[CrossRef]

B. A. Thompson, A. Minassian and M. J. Damzen, "Operation of a 33-W, continuous wave, self-adaptive, solid-state laser oscillator," J. Opt. Soc. Am. B 20, 857-862 (2003).
[CrossRef]

M. J. Damzen, R. P. Green and K. S. Syed, "Self-adaptive solid-state laser oscillator formed by dynamic gain-grating holograms," Opt. Lett. 20, 1704-1706 (1995).
[CrossRef] [PubMed]

K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
[CrossRef]

R. P. Green, G. J. Crofts and M. J. Damzen, "Holographic laser resonators in Nd:YAG," Opt. Lett 19, 393-395 (1994).
[PubMed]

Eremeykin, O.

O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
[CrossRef]

Feugnet, G.

Green, R. P.

M. J. Damzen, R. P. Green and K. S. Syed, "Self-adaptive solid-state laser oscillator formed by dynamic gain-grating holograms," Opt. Lett. 20, 1704-1706 (1995).
[CrossRef] [PubMed]

R. P. Green, G. J. Crofts and M. J. Damzen, "Holographic laser resonators in Nd:YAG," Opt. Lett 19, 393-395 (1994).
[PubMed]

K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
[CrossRef]

Huignard, J.-P.

Ievlev, A.

O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
[CrossRef]

Minassian, A.

A. Minassian, B. A. Thompson and M. J. Damzen, "High-power TEM00 grazing-incidence Nd:YVO4 oscillators in single and multiple bounce configurations," Opt. Commun. 245, 295-300 (2005).
[CrossRef]

B. A. Thompson, A. Minassian and M. J. Damzen, "Operation of a 33-W, continuous wave, self-adaptive, solid-state laser oscillator," J. Opt. Soc. Am. B 20, 857-862 (2003).
[CrossRef]

A. Minassian, B. A. Thompson and M. J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
[CrossRef]

Pocholle, J.-P.

Savikin, A.

O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
[CrossRef]

Smith, G.

Syed, K. S.

M. J. Damzen, R. P. Green and K. S. Syed, "Self-adaptive solid-state laser oscillator formed by dynamic gain-grating holograms," Opt. Lett. 20, 1704-1706 (1995).
[CrossRef] [PubMed]

K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
[CrossRef]

Thompson, B. A.

A. Minassian, B. A. Thompson and M. J. Damzen, "High-power TEM00 grazing-incidence Nd:YVO4 oscillators in single and multiple bounce configurations," Opt. Commun. 245, 295-300 (2005).
[CrossRef]

A. Minassian, B. A. Thompson and M. J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
[CrossRef]

B. A. Thompson, A. Minassian and M. J. Damzen, "Operation of a 33-W, continuous wave, self-adaptive, solid-state laser oscillator," J. Opt. Soc. Am. B 20, 857-862 (2003).
[CrossRef]

Appl. Phys. B (1)

A. Minassian, B. A. Thompson and M. J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
[CrossRef]

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

Opt. Commun. (2)

K. S. Syed, R. P. Green, G. J. Crofts and M. J. Damzen, "Transient modeling of pulsed phase conjugation experiments in a saturable Nd:YAG amplifier," Opt. Commun. 112, 175-180 (1994).
[CrossRef]

A. Minassian, B. A. Thompson and M. J. Damzen, "High-power TEM00 grazing-incidence Nd:YVO4 oscillators in single and multiple bounce configurations," Opt. Commun. 245, 295-300 (2005).
[CrossRef]

Opt. Express (2)

G. Smith and M. J. Damzen, "Spatially-selective amplified spontaneous emission source derived from an ultra-high gain solid-state amplifier," Opt. Express 14, 3318-3323 (2006).
[CrossRef] [PubMed]

O. Antipov, O. Eremeykin, A. Ievlev and A. Savikin, "Diode-pumped Nd:YAG laser with reciprocal dynamic holographic cavity," Opt. Express 12, 4314-4319 (2004).
[CrossRef]

Opt. Lett (1)

R. P. Green, G. J. Crofts and M. J. Damzen, "Holographic laser resonators in Nd:YAG," Opt. Lett 19, 393-395 (1994).
[PubMed]

Opt. Lett. (2)

Other (1)

W. Koechner, Solid-State Laser Engineering (Springer-Verlag, Berlin, 1999).

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Figures (7)

Fig. 1.
Fig. 1.

Schematic self-starting holographic resonator with intersecting beams A1-A4, phase conjugate PPC and non-phase conjugate PNPC outputs and non-reciprocal transmission element NRTE.

Fig. 2.
Fig. 2.

Experimental self-starting holographic adaptive resonator.

Fig. 3.
Fig. 3.

Experimental results: (a) temporal output showing self-Q-switched output with 2.7ns FWHM, (b) spectrum measured using a FP etalon.

Fig. 4.
Fig. 4.

Experimental results: (a) spatial profile, (b) beam radii through focus for M2-measurement.

Fig. 5.
Fig. 5.

Experimental self-starting holographic adaptive resonator with additional amplifier.

Fig. 6.
Fig. 6.

Experimental results: (a) SLM spectrum, (b) beam radii through focus for M2-measurement.

Fig. 7.
Fig. 7.

SH pulse energy against input pulse energy and conversion efficiency.

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