Abstract

We demonstrate that temporal broadening of transform-limited nanosecond pulses during gain saturation in a Nd:YAG amplifier can produce substantial linewidth narrowing. Measurements of linewidths with two-color Doppler-free saturated spectroscopy in I2 show reductions in linewidth by more than a factor of 2.5 from 58 to 20 MHz when a double-pass amplifier is used. The observed temporal broadening is described well by a simple gain saturation theory.

© 1994 Optical Society of America

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References

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  1. N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).
  2. P. G. Kryukov, V. S. Letokhov, Sov. Phys. Usp. 12, 641 (1970).
    [Crossref]
  3. M. J. Dyer, W. K. Bischel, D. G. Scerbak, Proc. Soc. Photo-Opt. Instrum. Eng. 912, 32 (1988).
  4. R. Bellman, G. Birnbaum, W. G. Wagner, J. Appl. Phys. 34, 780 (1963).
    [Crossref]
  5. L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
    [Crossref]
  6. A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), pp. 334, 371.
  7. W. E. Martin, D. Milam, IEEE J. Quantum Electron. QE-18, 1155 (1982).
    [Crossref]
  8. D. F. Hotz, Appl. Opt. 4, 527 (1965).
    [Crossref]
  9. W. L. Smith, in CRC Handbook of Laser Science and Technology, M. J. Weber, ed. (CRC, Boca Raton, Fla., 1986), Vol. III, pp. 259–281.
  10. R. C. Powell, S. A. Payne, L. L. Chase, G. D. Wilke, Opt. Lett. 14, 1204 (1989).
    [Crossref] [PubMed]
  11. A. Javan, P. L. Kelley, IEEE J. Quantum Electron. QE-2, 470 (1966).
    [Crossref]
  12. G. W. Faris, M. J. Dyer, in Conference on Lasers and Electro-Optics, Vol. 7 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), pp. 268–269.

1989 (1)

1988 (1)

M. J. Dyer, W. K. Bischel, D. G. Scerbak, Proc. Soc. Photo-Opt. Instrum. Eng. 912, 32 (1988).

1982 (1)

W. E. Martin, D. Milam, IEEE J. Quantum Electron. QE-18, 1155 (1982).
[Crossref]

1970 (1)

P. G. Kryukov, V. S. Letokhov, Sov. Phys. Usp. 12, 641 (1970).
[Crossref]

1966 (2)

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

A. Javan, P. L. Kelley, IEEE J. Quantum Electron. QE-2, 470 (1966).
[Crossref]

1965 (1)

1963 (2)

R. Bellman, G. Birnbaum, W. G. Wagner, J. Appl. Phys. 34, 780 (1963).
[Crossref]

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[Crossref]

Ambartsumyan, R. V.

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

Basov, N. G.

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

Bellman, R.

R. Bellman, G. Birnbaum, W. G. Wagner, J. Appl. Phys. 34, 780 (1963).
[Crossref]

Birnbaum, G.

R. Bellman, G. Birnbaum, W. G. Wagner, J. Appl. Phys. 34, 780 (1963).
[Crossref]

Bischel, W. K.

M. J. Dyer, W. K. Bischel, D. G. Scerbak, Proc. Soc. Photo-Opt. Instrum. Eng. 912, 32 (1988).

Chase, L. L.

Dyer, M. J.

M. J. Dyer, W. K. Bischel, D. G. Scerbak, Proc. Soc. Photo-Opt. Instrum. Eng. 912, 32 (1988).

G. W. Faris, M. J. Dyer, in Conference on Lasers and Electro-Optics, Vol. 7 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), pp. 268–269.

Faris, G. W.

G. W. Faris, M. J. Dyer, in Conference on Lasers and Electro-Optics, Vol. 7 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), pp. 268–269.

Frantz, L. M.

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[Crossref]

Hotz, D. F.

Javan, A.

A. Javan, P. L. Kelley, IEEE J. Quantum Electron. QE-2, 470 (1966).
[Crossref]

Kelley, P. L.

A. Javan, P. L. Kelley, IEEE J. Quantum Electron. QE-2, 470 (1966).
[Crossref]

Kryukov, P. G.

P. G. Kryukov, V. S. Letokhov, Sov. Phys. Usp. 12, 641 (1970).
[Crossref]

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

Letokhov, V. S.

P. G. Kryukov, V. S. Letokhov, Sov. Phys. Usp. 12, 641 (1970).
[Crossref]

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

Martin, W. E.

W. E. Martin, D. Milam, IEEE J. Quantum Electron. QE-18, 1155 (1982).
[Crossref]

Milam, D.

W. E. Martin, D. Milam, IEEE J. Quantum Electron. QE-18, 1155 (1982).
[Crossref]

Nodvik, J. S.

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[Crossref]

Payne, S. A.

Powell, R. C.

Scerbak, D. G.

M. J. Dyer, W. K. Bischel, D. G. Scerbak, Proc. Soc. Photo-Opt. Instrum. Eng. 912, 32 (1988).

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), pp. 334, 371.

Smith, W. L.

W. L. Smith, in CRC Handbook of Laser Science and Technology, M. J. Weber, ed. (CRC, Boca Raton, Fla., 1986), Vol. III, pp. 259–281.

Wagner, W. G.

R. Bellman, G. Birnbaum, W. G. Wagner, J. Appl. Phys. 34, 780 (1963).
[Crossref]

Wilke, G. D.

Zuev, V. S.

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

Appl. Opt. (1)

IEEE J. Quantum Electron. (2)

W. E. Martin, D. Milam, IEEE J. Quantum Electron. QE-18, 1155 (1982).
[Crossref]

A. Javan, P. L. Kelley, IEEE J. Quantum Electron. QE-2, 470 (1966).
[Crossref]

J. Appl. Phys. (2)

R. Bellman, G. Birnbaum, W. G. Wagner, J. Appl. Phys. 34, 780 (1963).
[Crossref]

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[Crossref]

Opt. Lett. (1)

Proc. Soc. Photo-Opt. Instrum. Eng. (1)

M. J. Dyer, W. K. Bischel, D. G. Scerbak, Proc. Soc. Photo-Opt. Instrum. Eng. 912, 32 (1988).

Sov. Phys. JETP (1)

N. G. Basov, R. V. Ambartsumyan, V. S. Zuev, P. G. Kryukov, V. S. Letokhov, Sov. Phys. JETP 26, 16 (1966).

Sov. Phys. Usp. (1)

P. G. Kryukov, V. S. Letokhov, Sov. Phys. Usp. 12, 641 (1970).
[Crossref]

Other (3)

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986), pp. 334, 371.

W. L. Smith, in CRC Handbook of Laser Science and Technology, M. J. Weber, ed. (CRC, Boca Raton, Fla., 1986), Vol. III, pp. 259–281.

G. W. Faris, M. J. Dyer, in Conference on Lasers and Electro-Optics, Vol. 7 of 1990 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1990), pp. 268–269.

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Figures (3)

Fig. 1
Fig. 1

Experimental (thick curves) and calculated (thin curves) temporal variation of amplified 1.06-μm pulses as a function of amplifier pump energy for single-pass amplification.

Fig. 2
Fig. 2

Experimental (thick solid curves) and calculated (thin solid and thin dashed curves) temporal variation of amplified 1.06-μm pulses as a function of amplifier pump energy for double-pass amplification.

Fig. 3
Fig. 3

Doppler-free spectra showing laser linewidths at 532 nm measured by two-color saturation spectroscopy in I2 as a function of laser pulse width at 532 nm. The bottom spectrum is measured with the cw dye laser alone.

Equations (1)

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I out ( t ) = I in ( t ) 1 - ( 1 - 1 G 0 ) exp [ F in ( t ) F sat ] ,

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