Abstract

A new technique for time-resolved (5-nsec) recording of broadband infrared absorption spectra is demonstrated. Resonantly enhanced, third-order nonlinearities of metal vapors are used both to produce a pulsed infrared continuum that interrogates the sample and to upconvert this infrared continuum into the visible. Single-shot absorption spectra of CO2 and H2O bands in the region 2.55–2.85 μm were obtained.

© 1979 Optical Society of America

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References

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  1. See, for example, J. J. Wynne, P. P. Sorokin, “Optical mixing in atomic vapors,” in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977).
    [CrossRef]
  2. D. Cotter, D. C. Hanna, R. Wyatt, Opt. Commun. 16, 256 (1976).
    [CrossRef]
  3. IUPAC Commission on Molecular Structure and Spectroscopy, Tables of Wavenumbers for the Calibration of Infrared Spectrometers (Pergamon, London, 1977), p. 98.
  4. V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).
  5. Yu. E. D’yakov, JETP Lett. 11, 243 (1970).
  6. See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
    [CrossRef]

1977 (1)

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

1976 (1)

D. Cotter, D. C. Hanna, R. Wyatt, Opt. Commun. 16, 256 (1976).
[CrossRef]

1970 (1)

Yu. E. D’yakov, JETP Lett. 11, 243 (1970).

1969 (1)

V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).

Bocharov, V. V.

V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).

Cotter, D.

D. Cotter, D. C. Hanna, R. Wyatt, Opt. Commun. 16, 256 (1976).
[CrossRef]

D’yakov, Yu. E.

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

Yu. E. D’yakov, JETP Lett. 11, 243 (1970).

Dzhotyan, G. P.

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

Grasyuk, A. Z.

V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).

Hanna, D. C.

D. Cotter, D. C. Hanna, R. Wyatt, Opt. Commun. 16, 256 (1976).
[CrossRef]

Mikhailov, S. I.

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

Mironov, A. B.

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

Mulikov, V. F.

V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).

Sorokin, P. P.

See, for example, J. J. Wynne, P. P. Sorokin, “Optical mixing in atomic vapors,” in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977).
[CrossRef]

Wyatt, R.

D. Cotter, D. C. Hanna, R. Wyatt, Opt. Commun. 16, 256 (1976).
[CrossRef]

Wynne, J. J.

See, for example, J. J. Wynne, P. P. Sorokin, “Optical mixing in atomic vapors,” in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977).
[CrossRef]

Zubarev, I. G.

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).

JETP Lett. (1)

Yu. E. D’yakov, JETP Lett. 11, 243 (1970).

Opt. Commun. (1)

D. Cotter, D. C. Hanna, R. Wyatt, Opt. Commun. 16, 256 (1976).
[CrossRef]

Sov. J. Quantum Electron. (1)

See G. P. Dzhotyan, Yu. E. D’yakov, I. G. Zubarev, A. B. Mironov, S. I. Mikhailov, Sov. J. Quantum Electron. 7, 783 (1977), and references therein.
[CrossRef]

Sov. Phys. JETP (1)

V. V. Bocharov, A. Z. Grasyuk, I. G. Zubarev, V. F. Mulikov, Sov. Phys. JETP 29, 235 (1969).

Other (2)

See, for example, J. J. Wynne, P. P. Sorokin, “Optical mixing in atomic vapors,” in Nonlinear Infrared Generation, Y. R. Shen, ed. (Springer-Verlag, Berlin, 1977).
[CrossRef]

IUPAC Commission on Molecular Structure and Spectroscopy, Tables of Wavenumbers for the Calibration of Infrared Spectrometers (Pergamon, London, 1977), p. 98.

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Figures (4)

Fig. 1
Fig. 1

Diagram of experimental apparatus.

Fig. 2
Fig. 2

(ν increases to right.) (a) DPS continuum spectrum through ~5-Torr K, photographed in first order; absorption lines are K 4s–5p lines at 404.7 and 404.4 nm. (b) Upconverted DPS–K–K spectrum, photographed in first order, sample cell evacuated. (c) Same as (b), but with ~500-Torr CO2 in sample cell.

Fig. 3
Fig. 3

(ν increases to right.) (a) Upconverted DPS–K–K spectrum, photographed in second order, with CO2 in sample cell. Indicated band heads are 107 cm−1 apart. (b) Upconverted POPOP–Rb–K spectrum, photographed in second order, sample cell removed. Dotted arrows show nulls, and numbers correspond to calibration lines in Fig. 4. Two exposures are shown.

Fig. 4
Fig. 4

Comparison of densitometer trace of portion of spectrum shown in Fig. 3(b) (traced from original) (upper) with IUPAC calibration spectrum (lower).

Tables (1)

Tables Icon

Table 1 Alkali Resonance Lines and Corresponding Infrared Frequencies

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