Abstract

We present investigations into high-power scaling of solid-state amplified spontaneous emission (ASE) laser sources by use of two high-gain (104) Nd:YVO4 bounce amplifiers. The sources deliver high power with a high-quality spatial output, but unlike a laser they have a high misalignment tolerance and do not require a precisely aligned cavity. In one system with two amplifiers, we demonstrate an ASE source with 24.5W of output power with good spatial quality, M2<2.5 in the horizontal and M2<1.2 in the vertical. In a more sophisticated setup, the two amplifiers are arranged in a loop configuration producing 30W of ASE output with near-diffraction-limited spatial quality, with M2<1.3 in the horizontal and M2<1.2 in the vertical, at an 38% optical-to-optical conversion efficiency.

© 2007 Optical Society of America

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References

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2006

2005

A. Minassian, B. Thompson, and M. J. Damzen, Opt. Commun. 245, 295 (2005).
[CrossRef]

2003

S. Tsai, T. Tsai, P. Law, and Y. Chen, IEEE Photon. Technol. Lett. 15, 197 (2003).
[CrossRef]

A. Minassian, B. Thompson, and M. J. Damzen, Appl. Phys. B 76, 341 (2003).
[CrossRef]

1998

O. Svelto, Principles of Lasers (Plenum, 1998).

1993

1986

A. Siegman, Lasers (University Science, 1986).

1985

P. Ewart, Opt. Commun. 55, 124 (1985).
[CrossRef]

1977

L. W. Casperson, J. Appl. Phys. 48, 256 (1977).
[CrossRef]

Alcock, A. J.

Bernard, J. E.

Casperson, L. W.

L. W. Casperson, J. Appl. Phys. 48, 256 (1977).
[CrossRef]

Chen, Y.

S. Tsai, T. Tsai, P. Law, and Y. Chen, IEEE Photon. Technol. Lett. 15, 197 (2003).
[CrossRef]

Damzen, M. J.

G. Smith and M. J. Damzen, Opt. Express 14, 3318 (2006).
[CrossRef] [PubMed]

A. Minassian, B. Thompson, and M. J. Damzen, Opt. Commun. 245, 295 (2005).
[CrossRef]

A. Minassian, B. Thompson, and M. J. Damzen, Appl. Phys. B 76, 341 (2003).
[CrossRef]

Ewart, P.

P. Ewart, Opt. Commun. 55, 124 (1985).
[CrossRef]

Law, P.

S. Tsai, T. Tsai, P. Law, and Y. Chen, IEEE Photon. Technol. Lett. 15, 197 (2003).
[CrossRef]

Minassian, A.

A. Minassian, B. Thompson, and M. J. Damzen, Opt. Commun. 245, 295 (2005).
[CrossRef]

A. Minassian, B. Thompson, and M. J. Damzen, Appl. Phys. B 76, 341 (2003).
[CrossRef]

Siegman, A.

A. Siegman, Lasers (University Science, 1986).

Smith, G.

Svelto, O.

O. Svelto, Principles of Lasers (Plenum, 1998).

Thompson, B.

A. Minassian, B. Thompson, and M. J. Damzen, Opt. Commun. 245, 295 (2005).
[CrossRef]

A. Minassian, B. Thompson, and M. J. Damzen, Appl. Phys. B 76, 341 (2003).
[CrossRef]

Tsai, S.

S. Tsai, T. Tsai, P. Law, and Y. Chen, IEEE Photon. Technol. Lett. 15, 197 (2003).
[CrossRef]

Tsai, T.

S. Tsai, T. Tsai, P. Law, and Y. Chen, IEEE Photon. Technol. Lett. 15, 197 (2003).
[CrossRef]

Appl. Phys. B

A. Minassian, B. Thompson, and M. J. Damzen, Appl. Phys. B 76, 341 (2003).
[CrossRef]

IEEE Photon. Technol. Lett.

S. Tsai, T. Tsai, P. Law, and Y. Chen, IEEE Photon. Technol. Lett. 15, 197 (2003).
[CrossRef]

J. Appl. Phys.

L. W. Casperson, J. Appl. Phys. 48, 256 (1977).
[CrossRef]

Opt. Commun.

P. Ewart, Opt. Commun. 55, 124 (1985).
[CrossRef]

A. Minassian, B. Thompson, and M. J. Damzen, Opt. Commun. 245, 295 (2005).
[CrossRef]

Opt. Express

Opt. Lett.

Other

A. Siegman, Lasers (University Science, 1986).

O. Svelto, Principles of Lasers (Plenum, 1998).

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Figures (5)

Fig. 1
Fig. 1

Schematic diagram for ASE in a bounce amplifier configuration showing SP-ASE and DP-ASE. VCL1 and VCL2 are vertical cylindrical lenses of focal lengths f = 60 mm .

Fig. 2
Fig. 2

Schematic diagram for two-amplifier DP-ASE.

Fig. 3
Fig. 3

Experimental results of output power against pump power for two-amplifier DP-ASE (squares) and for the DP-ASE loop configuration (circles).

Fig. 4
Fig. 4

Schematic diagram for two-amplifier DP-ASE in a loop configuration.

Fig. 5
Fig. 5

Experimental results of beam radii through focus for M 2 measurement for the DP-ASE loop configuration.

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