Abstract

Transverse, parasitic lasing has been observed in several large Ti:sapphire disk amplifiers. It severely limits the signal gain and the pulse energy that can be extracted from the amplifier. We have developed a technique for suppressing these parasitic lasing modes based on index matching the crystal edges with an absorbing doped polymer thermoplastic. The parasitics are completely suppressed for the range of aperture sizes and pump fluences studied here. A comparison of the amplifier performance before and after edge cladding is presented for several Ti:sapphire crystals.

© 1999 Optical Society of America

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References

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1998 (2)

1996 (2)

1988 (2)

J. M. Eggelston, L. G. DeShazer, and K. W. Kangas, IEEE J. Quantum Electron. QE-24, 1009 (1988).
[CrossRef]

J. C. Barnes, N. P. Barnes, and G. E. Miller, IEEE J. Quantum Electron. QE-24, 1029 (1988).
[CrossRef]

1986 (1)

1976 (1)

1969 (1)

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

Antonetti, A.

Aoyama, M.

Baird, E. D.

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

Barnes, J. C.

J. C. Barnes, N. P. Barnes, and G. E. Miller, IEEE J. Quantum Electron. QE-24, 1029 (1988).
[CrossRef]

Barnes, N. P.

J. C. Barnes, N. P. Barnes, and G. E. Miller, IEEE J. Quantum Electron. QE-24, 1029 (1988).
[CrossRef]

Barty, C. P.

G. A. Mourou, C. P. Barty, and M. D. Perry, Phys. Today 51(1), 22 (1998).
[CrossRef]

Barty, C. P. J.

Bonlie, J.

Campbell, J. H.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Carley, P.

Chambaret, J. P.

Cheriaux, G.

Congleton, R. S.

W. R. Sooy, R. S. Congleton, B. E. Dobratz, and W. King, presented at the Quantum Electronics Conference, Paris, June, 1963.

Darpentigny, G.

DeShazer, L. G.

J. M. Eggelston, L. G. DeShazer, and K. W. Kangas, IEEE J. Quantum Electron. QE-24, 1009 (1988).
[CrossRef]

Dobratz, B. E.

W. R. Sooy, R. S. Congleton, B. E. Dobratz, and W. King, presented at the Quantum Electronics Conference, Paris, June, 1963.

Eggelston, J. M.

J. M. Eggelston, L. G. DeShazer, and K. W. Kangas, IEEE J. Quantum Electron. QE-24, 1009 (1988).
[CrossRef]

Fittinghoff, D.

Guch, S.

Hamoniaux, G.

Jessop, E. S.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Kangas, K. W.

J. M. Eggelston, L. G. DeShazer, and K. W. Kangas, IEEE J. Quantum Electron. QE-24, 1009 (1988).
[CrossRef]

Kidder, R. E.

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

King, W.

W. R. Sooy, R. S. Congleton, B. E. Dobratz, and W. King, presented at the Quantum Electronics Conference, Paris, June, 1963.

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, Berlin, 1996).
[CrossRef]

Le Blanc, C.

Loth, B.

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

Lyon, R. E.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Matsuoka, S.

Miller, G. E.

J. C. Barnes, N. P. Barnes, and G. E. Miller, IEEE J. Quantum Electron. QE-24, 1029 (1988).
[CrossRef]

Moulton, P. F.

Mourou, G. A.

G. A. Mourou, C. P. Barty, and M. D. Perry, Phys. Today 51(1), 22 (1998).
[CrossRef]

Murray, J. E.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Perry, M. D.

G. A. Mourou, C. P. Barty, and M. D. Perry, Phys. Today 51(1), 22 (1998).
[CrossRef]

Pettipiece, K.

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

Powell, H. T.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Price, D. F.

Rainer, F.

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

Riley, M. O.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Rousseau, P.

Salin, F.

Sooy, W. R.

W. R. Sooy, R. S. Congleton, B. E. Dobratz, and W. King, presented at the Quantum Electronics Conference, Paris, June, 1963.

Sullivan, A.

Swain, J. E.

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

Takuma, H.

Trenholme, J. B.

J. B. Trenholme, (Naval Research Laboratory, Washington, D.C., 1972).

White, W. E.

Wolfe, C. R.

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

Yamakawa, K.

Appl. Opt. (1)

IEEE J. Quantum Electron. (2)

J. M. Eggelston, L. G. DeShazer, and K. W. Kangas, IEEE J. Quantum Electron. QE-24, 1009 (1988).
[CrossRef]

J. C. Barnes, N. P. Barnes, and G. E. Miller, IEEE J. Quantum Electron. QE-24, 1029 (1988).
[CrossRef]

J. Appl. Phys. (1)

J. E. Swain, R. E. Kidder, K. Pettipiece, F. Rainer, E. D. Baird, and B. Loth, J. Appl. Phys. 40, 3973 (1969).
[CrossRef]

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

Opt. Lett. (3)

Phys. Today (1)

G. A. Mourou, C. P. Barty, and M. D. Perry, Phys. Today 51(1), 22 (1998).
[CrossRef]

Other (4)

W. R. Sooy, R. S. Congleton, B. E. Dobratz, and W. King, presented at the Quantum Electronics Conference, Paris, June, 1963.

J. B. Trenholme, (Naval Research Laboratory, Washington, D.C., 1972).

H. T. Powell, M. O. Riley, C. R. Wolfe, R. E. Lyon, J. H. Campbell, E. S. Jessop, and J. E. Murray, “Composite polymer–glass edge cladding for laser disks,” U.S. patent4,849,036 (July18, 1989).

W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, Berlin, 1996).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Transverse optical power spectra of crystal CS1 at high pump power. Trace 1, without cladding; trace 2, with cladding.

Fig. 2
Fig. 2

Oscilloscope record of the double-passed diode laser at the same fluence as in Fig. 1.

Fig. 3
Fig. 3

Exponential gain g0L versus 532-nm pump fluence incident upon crystal CS1.

Tables (1)

Tables Icon

Table 1 Summary of Gain Parameters for Several Disk Amplifiers

Equations (1)

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g0L=σeFphνp1-exp-αpL,

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