Abstract

An investigation is made into the performance of a high power solid-state amplified spontaneous emission (ASE) source with near-diffraction-limited beam quality. The radiation from this ASE source has high spatial quality and power, but unlike a laser it has a high misalignment tolerance and does not require a precisely aligned cavity. The source is based on a diode-pumped Nd:YVO4 laser crystal in a bounce amplifier geometry with a uniquely ultra-high gain (~104-105). Double-pass ASE radiation with high power levels (>6W) is achieved in a near-diffraction-limited spatial quality. We further demonstrate that the double-pass ASE source also displays high spatial selectivity and capability to compensate for a phase diffuser, inserted in the double-pass arm, with only a small degradation in beam quality and power.

© 2006 Optical Society of America

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References

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  1. A. Siegman, Lasers (University Science Books, California, 1986), Chap. 13.
  2. O. Svelto, Principles of Lasers (Plenum Press, New York and London, 1998), Chap. 2.
  3. A. Yariv and R. C. Leite, "Super Radiant Narrowing in Fluorescence Radiation of Inverted Populations," J. Appl. Phys. 34, 3410-3411 (1963).
    [CrossRef]
  4. P. Ewart, "A modeless, variable bandwidth, tunable laser," Opt. Commun. 55, 124-126 (1985).
    [CrossRef]
  5. S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
    [CrossRef]
  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. A. Minassian, B. Thompson, and M.J. Damzen, "Ultrahigh-efficiency TEM00 diode-side-pumped Nd:YVO4 laser," Appl. Phys. B 76, 341-343 (2003).
    [CrossRef]
  8. A. Minassian, B. 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]
  9. O. Svelto, S. Taccheo, and C. Svelto, "Analysis of amplified spontaneous emission: some corrections to the Linford formula," Opt. Commun. 149, 277-282 (1998).
    [CrossRef]
  10. W. Koechner, Solid-State Laser Engineering (Springer-Verlag, Berlin, 1999), Chap. 3.

2005 (1)

A. Minassian, B. 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]

2003 (2)

S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
[CrossRef]

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

1998 (1)

O. Svelto, S. Taccheo, and C. Svelto, "Analysis of amplified spontaneous emission: some corrections to the Linford formula," Opt. Commun. 149, 277-282 (1998).
[CrossRef]

1993 (1)

1985 (1)

P. Ewart, "A modeless, variable bandwidth, tunable laser," Opt. Commun. 55, 124-126 (1985).
[CrossRef]

1963 (1)

A. Yariv and R. C. Leite, "Super Radiant Narrowing in Fluorescence Radiation of Inverted Populations," J. Appl. Phys. 34, 3410-3411 (1963).
[CrossRef]

Alcock, A.J.

Bernard, J.E.

Chen, Y.

S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
[CrossRef]

Damzen, M.J.

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

Ewart, P.

P. Ewart, "A modeless, variable bandwidth, tunable laser," Opt. Commun. 55, 124-126 (1985).
[CrossRef]

Law, P.

S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
[CrossRef]

Leite, R. C.

A. Yariv and R. C. Leite, "Super Radiant Narrowing in Fluorescence Radiation of Inverted Populations," J. Appl. Phys. 34, 3410-3411 (1963).
[CrossRef]

Minassian, A.

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

Svelto, C.

O. Svelto, S. Taccheo, and C. Svelto, "Analysis of amplified spontaneous emission: some corrections to the Linford formula," Opt. Commun. 149, 277-282 (1998).
[CrossRef]

Svelto, O.

O. Svelto, S. Taccheo, and C. Svelto, "Analysis of amplified spontaneous emission: some corrections to the Linford formula," Opt. Commun. 149, 277-282 (1998).
[CrossRef]

Taccheo, S.

O. Svelto, S. Taccheo, and C. Svelto, "Analysis of amplified spontaneous emission: some corrections to the Linford formula," Opt. Commun. 149, 277-282 (1998).
[CrossRef]

Thompson, B.

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

Tsai, S.

S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
[CrossRef]

Tsai, T.

S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
[CrossRef]

Yariv, A.

A. Yariv and R. C. Leite, "Super Radiant Narrowing in Fluorescence Radiation of Inverted Populations," J. Appl. Phys. 34, 3410-3411 (1963).
[CrossRef]

Appl. Phys. B (1)

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

IEEE Photonics Technol. Lett. (1)

S. Tsai, T. Tsai, P. Law, and Y. Chen, "High Pumping-Efficiency L-Band Erbium-Doped Fiber ASE Source Using Double-Pass Bidirectional-Pumping Configuration," IEEE Photonics Technol. Lett. 15, 197-199 (2003).
[CrossRef]

J. Appl. Phys. (1)

A. Yariv and R. C. Leite, "Super Radiant Narrowing in Fluorescence Radiation of Inverted Populations," J. Appl. Phys. 34, 3410-3411 (1963).
[CrossRef]

Opt. Commun. (3)

P. Ewart, "A modeless, variable bandwidth, tunable laser," Opt. Commun. 55, 124-126 (1985).
[CrossRef]

A. Minassian, B. 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]

O. Svelto, S. Taccheo, and C. Svelto, "Analysis of amplified spontaneous emission: some corrections to the Linford formula," Opt. Commun. 149, 277-282 (1998).
[CrossRef]

Opt. Lett. (1)

Other (3)

W. Koechner, Solid-State Laser Engineering (Springer-Verlag, Berlin, 1999), Chap. 3.

A. Siegman, Lasers (University Science Books, California, 1986), Chap. 13.

O. Svelto, Principles of Lasers (Plenum Press, New York and London, 1998), Chap. 2.

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Figures (6)

Fig. 1.
Fig. 1.

Schematic diagram for measurement of angular-dependence of single-pass ASE power, PASE. VCL is a vertical cylindrical lens of focal length f=60mm to aid collection of radiation to diagnostics.

Fig. 2.
Fig. 2.

Experimental results of SP-ASE power against bounce angle θ.

Fig. 3.
Fig. 3.

Experimental set-up for DP-ASE bounce amplifier configuration. VCL and VCL' are vertical cylindrical lenses of focal lengths f=60mm.

Fig. 4.
Fig. 4.

Experimental results of DP-ASE power against θ.

Fig. 5.
Fig. 5.

Experimental results of: (a) DP-ASE power against pump power with diffuser, (b) horizontal beam radius through focus for M 2 measurement.

Fig. 6.
Fig. 6.

Spatial forms: (a) without diffuser, (b) with diffuser at M1, (c) with diffuser in output.

Equations (2)

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I = φ I S ( Ω 4 π ) ( G 1 ) 3 2 ( G ln G ) 1 2
I = φ I S ( Ω 4 π ) G ( ln G ) 1 2

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