Abstract

We report on the design and characterization of a highly coherent mid-IR source at 3.57 μm based on a single-frequency optical parametric oscillator. Detailed frequency and amplitude noise spectra have been measured. The rms intensity noise from 1.2 to 1000 Hz was 0.03%, and a rms frequency drift of 8  kHz in 1  ms was observed. We have also demonstrated the utility of this source for coherent laser radar applications by measuring micro-Doppler spectra from vibrating targets.

© 2001 Optical Society of America

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References

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2000 (1)

F. Hanson, Opt. Eng. 39, 3044 (2000).
[CrossRef]

1999 (1)

1997 (2)

1996 (1)

1992 (1)

T. Day, E. Gustafson, and R. Byer, IEEE J. Quantum Electron. 28, 1106 (1992).
[CrossRef]

1982 (1)

S. Piazzolla, P. Spano, and M. Tamburrini, Appl. Phys. Lett. 41, 695 (1982).
[CrossRef]

Alexander, J. I.

Arbore, M.

M. Arbore and T. McHugh, in Conference on Lasers and Electro-Optics (CLEO), Vol. 39 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), p. 520.

Bosenberg, W. R.

Burnham, R.

E. Schimitschek, R. Burnham, and A. Kohnle, in Proceedings of the Infrared Information Symposia, 2nd NATO-IRIS Joint Symposium, Vol. 41, No.  2 (Infrared Information Analysis Center, Ann Arbor, Mich., 1997), p. 29.

Byer, R.

T. Day, E. Gustafson, and R. Byer, IEEE J. Quantum Electron. 28, 1106 (1992).
[CrossRef]

Byer, R. L.

Day, T.

T. Day, E. Gustafson, and R. Byer, IEEE J. Quantum Electron. 28, 1106 (1992).
[CrossRef]

Drobshoff, A.

Gustafson, E.

T. Day, E. Gustafson, and R. Byer, IEEE J. Quantum Electron. 28, 1106 (1992).
[CrossRef]

Hanson, F.

F. Hanson, Opt. Eng. 39, 3044 (2000).
[CrossRef]

Jundt, D. H.

Kohnle, A.

E. Schimitschek, R. Burnham, and A. Kohnle, in Proceedings of the Infrared Information Symposia, 2nd NATO-IRIS Joint Symposium, Vol. 41, No.  2 (Infrared Information Analysis Center, Ann Arbor, Mich., 1997), p. 29.

Kramper, P.

McHugh, T.

M. Arbore and T. McHugh, in Conference on Lasers and Electro-Optics (CLEO), Vol. 39 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), p. 520.

Mlynek, J.

Myers, L. E.

Piazzolla, S.

S. Piazzolla, P. Spano, and M. Tamburrini, Appl. Phys. Lett. 41, 695 (1982).
[CrossRef]

Schiller, S.

Schimitschek, E.

E. Schimitschek, R. Burnham, and A. Kohnle, in Proceedings of the Infrared Information Symposia, 2nd NATO-IRIS Joint Symposium, Vol. 41, No.  2 (Infrared Information Analysis Center, Ann Arbor, Mich., 1997), p. 29.

Schneider, K.

Spano, P.

S. Piazzolla, P. Spano, and M. Tamburrini, Appl. Phys. Lett. 41, 695 (1982).
[CrossRef]

Tamburrini, M.

S. Piazzolla, P. Spano, and M. Tamburrini, Appl. Phys. Lett. 41, 695 (1982).
[CrossRef]

Appl. Phys. Lett. (1)

S. Piazzolla, P. Spano, and M. Tamburrini, Appl. Phys. Lett. 41, 695 (1982).
[CrossRef]

IEEE J. Quantum Electron. (1)

T. Day, E. Gustafson, and R. Byer, IEEE J. Quantum Electron. 28, 1106 (1992).
[CrossRef]

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

Opt. Eng. (1)

F. Hanson, Opt. Eng. 39, 3044 (2000).
[CrossRef]

Opt. Lett. (3)

Other (2)

M. Arbore and T. McHugh, in Conference on Lasers and Electro-Optics (CLEO), Vol. 39 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), p. 520.

E. Schimitschek, R. Burnham, and A. Kohnle, in Proceedings of the Infrared Information Symposia, 2nd NATO-IRIS Joint Symposium, Vol. 41, No.  2 (Infrared Information Analysis Center, Ann Arbor, Mich., 1997), p. 29.

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Figures (3)

Fig. 1
Fig. 1

Linear spectral density of frequency noise for the 1.06μm pump laser and the 3.57μm OPO idler.

Fig. 2
Fig. 2

Linear spectral density of relative intensity noise for the 3.57μm idler.

Fig. 3
Fig. 3

Measured spectral density of frequency shift from a diffuse gold target vibrating with a constant amplitude of 0.33 μm at 32, 64, 128, and 256  Hz.

Equations (2)

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Δvi=1-npL+dvs/vpnsL+dΔvp-vsnsL+dnp-nsLTΔT,
Sv2f2V12Sϕ2f1-cos2πfτ+Sn2f.

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