Abstract

A diode-pumped single-pass amplifier system relying on two grazing-incidence Nd:YVO4 slabs was developed to increase the energy of low-repetition-rate pulses from a decimated low-power cw mode-locked oscillator. Single-pass unsaturated gain up to 1.3×105 was achieved, and amplified pulses of 10-µJ energy and 8.0-ps duration were obtained. Efficient second harmonic generation (SHG) at 532 nm was achieved, as well as traveling-wave parametric conversion in the range 770-1020 nm (signal) and 1110-1720 nm (idler).

© 2006 Optical Society of America

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References

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  1. P. Heinz, A. Seilmer, and A. Piskarskas, "Picosecond Nd:YLF laser-multipass amplifier source pumped by pulsed diodes for the operation of powerful OPOs," Opt. Commun. 136, 433-436 (1997).
    [CrossRef]
  2. M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
    [CrossRef]
  3. J. Kleinbauer, R. Knappe, and R. Wallenstein, "13-W picosecond Nd:GdVO4 regenerative amplifier with 200-kHz repetition rate," Appl. Phys. B 81, 163-166 (2005).
    [CrossRef]
  4. A. Killi, J. Dörring, U. Morgner, M. J. Lederer, J. Frei, and D. Kopf, "High speed electro-optical cavity dumping of mode-locked laser oscillators," Opt. Express 13, 1916-1922 (2005).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  6. J. E. Bernard and A. J. Alcock, "High-efficiency diode-pumped Nd:YVO4 slab laser," Opt. Lett. 18, 968-970 (1993).
    [CrossRef] [PubMed]
  7. 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]
  8. Y. Ojima, K. Nawata, and T. Omatsu, "Over 10-W pico-second diffraction-limited output from a Nd:YVO4 slab amplifier with a phase conjuagate mirror," Opt. Express 13, 8993-8998 (2005).
    [CrossRef] [PubMed]
  9. W. Koechner, Solid State Laser Engineering, (5th ed. Berlin, Germany: Springer, 1999), pp. 681-685.
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  11. P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
    [CrossRef]

2006 (1)

2005 (3)

2004 (1)

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

2003 (1)

2002 (1)

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

1997 (1)

P. Heinz, A. Seilmer, and A. Piskarskas, "Picosecond Nd:YLF laser-multipass amplifier source pumped by pulsed diodes for the operation of powerful OPOs," Opt. Commun. 136, 433-436 (1997).
[CrossRef]

1993 (1)

Alcock, A. J.

Arecchi, F. T.

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

Balembois, F.

Bellini, M.

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

Bergmann, T.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Bernard, J. E.

Damzen, M. J.

Delaigue, M.

Dörring, J.

Druon, F.

Ducci, S.

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

Forget, S.

Frei, J.

Georges, P.

Hein, J.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Heinz, P.

P. Heinz, A. Seilmer, and A. Piskarskas, "Picosecond Nd:YLF laser-multipass amplifier source pumped by pulsed diodes for the operation of powerful OPOs," Opt. Commun. 136, 433-436 (1997).
[CrossRef]

Hollemann, G.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Hornung, M.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Killi, A.

Kleinbauer, J.

J. Kleinbauer, R. Knappe, and R. Wallenstein, "13-W picosecond Nd:GdVO4 regenerative amplifier with 200-kHz repetition rate," Appl. Phys. B 81, 163-166 (2005).
[CrossRef]

Knappe, R.

J. Kleinbauer, R. Knappe, and R. Wallenstein, "13-W picosecond Nd:GdVO4 regenerative amplifier with 200-kHz repetition rate," Appl. Phys. B 81, 163-166 (2005).
[CrossRef]

Kopf, D.

Lederer, M. J.

Morgner, U.

Nawata, K.

Ojima, Y.

Omatsu, T.

Papadopoulos, D. N.

Paunescu, G.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Piskarskas, A.

P. Heinz, A. Seilmer, and A. Piskarskas, "Picosecond Nd:YLF laser-multipass amplifier source pumped by pulsed diodes for the operation of powerful OPOs," Opt. Commun. 136, 433-436 (1997).
[CrossRef]

Ramazza, P. L.

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

Sauerbrey, R.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Seilmer, A.

P. Heinz, A. Seilmer, and A. Piskarskas, "Picosecond Nd:YLF laser-multipass amplifier source pumped by pulsed diodes for the operation of powerful OPOs," Opt. Commun. 136, 433-436 (1997).
[CrossRef]

Siebold, M.

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

Smith, G.

Wallenstein, R.

J. Kleinbauer, R. Knappe, and R. Wallenstein, "13-W picosecond Nd:GdVO4 regenerative amplifier with 200-kHz repetition rate," Appl. Phys. B 81, 163-166 (2005).
[CrossRef]

Zavatta, A.

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

Appl. Phys. B (3)

M. Siebold, M. Hornung, J. Hein, G. Paunescu, R. Sauerbrey, T. Bergmann, and G. Hollemann, "A high-average power diode-pumped Nd:YVO4 regenerative laser amplifier for picosecond-pulses," Appl. Phys. B 78, 287-290 (2004).
[CrossRef]

J. Kleinbauer, R. Knappe, and R. Wallenstein, "13-W picosecond Nd:GdVO4 regenerative amplifier with 200-kHz repetition rate," Appl. Phys. B 81, 163-166 (2005).
[CrossRef]

P. L. Ramazza, S. Ducci, A. Zavatta, M. Bellini, and F. T. Arecchi, "Second-harmonic generation from a picosecond Ti:Sa laser in LBO: conversion efficiency and spatial properties," Appl. Phys. B 75, 53-58 (2002).
[CrossRef]

Opt. Commun. (1)

P. Heinz, A. Seilmer, and A. Piskarskas, "Picosecond Nd:YLF laser-multipass amplifier source pumped by pulsed diodes for the operation of powerful OPOs," Opt. Commun. 136, 433-436 (1997).
[CrossRef]

Opt. Express (3)

Opt. Lett. (2)

Other (2)

W. Koechner, Solid State Laser Engineering, (5th ed. Berlin, Germany: Springer, 1999), pp. 681-685.

R. L. Byer, "Optical parametric oscillators," in Quantum Electronics: A Treatise, H. Rabin and C. L. Tang, eds. (Academic, New York, 1975), pp. 587-702.

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Figures (4)

Fig. 1.
Fig. 1.

Layout of the diode-pumped oscillator-amplifier system. L1, L2, L3: lenses; PD: photodiode generating the 56-MHz reference clock; AOPP: acousto-optic pulse-picker; BD: beam dump; LD: quasi-cw laser diode arrays; HWP: half-wave plate; slabs: Nd:YVO4 grazing-incidence high-gain modules; LBO: SHG crystal; HS: harmonic separator; KTP: OPG crystal.

Fig. 2.
Fig. 2.

Autocorrelation of the seed and the amplified pulse, fitted with a sech2 intensity profile (6.6 ps and 8.0 ps fwhm, respectively). The inset shows the correspondent spectra.

Fig. 3.
Fig. 3.

Oscilloscope traces of the undepleted fundamental and second harmonic pulses, normalized so that the ratio of the peaks corresponds to the observed conversion efficiency. Inset: beam profile of the second harmonic beam.

Fig. 4.
Fig. 4.

Spectra of the OPG pulses, obtained at several tuning angles.

Equations (2)

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I 2 ω , th 4.6 ε 0 c n 3 λ s λ i d eff 2 L eff 2
L eff 2 = L 2 b L tan 1 ( L b ) tanh ( L a L )

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