Abstract

New accurate values of the imaginary part of the refractive index k of polycrystalline ice at T = −22 °C are reported. The k spectrum in the 1.43–2.89-μm region was found to be in excellent agreement with the most recent study, and the data in the 3.35–7.81-μm range eliminate the large existing uncertainty in the 3.5–4.3-μm region.

© 1995 Optical Society of America

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References

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  1. S. G. Warren, “Optical constants of ice from the ultraviolet to the microwave,” Appl. Opt. 23, 1206–1225 (1984).
    [CrossRef] [PubMed]
  2. P. R. Griffiths, J. A. de Haseth, Fourier Transform Infrared Spectrometry (Wiley, New York, 1986), Chap. 16, p. 522.
  3. D. M. Wieliczka, S. Weng, M. R. Querry, “Wedge-shaped cell for highly absorbent liquids: infrared optical constants of water,” Appl. Opt. 28, 1714–1719 (1989).
    [CrossRef] [PubMed]
  4. E. Hecht, Optics, 2nd ed. (Addison-Wesley, Reading, Mass., 1987), Chap. 9, pp. 350–351.
  5. C. W. Robertson, D. Williams, “Lambert absorption coefficients of water in the infrared,” J. Opt. Soc. Am. 61, 1316–1320 (1971).
    [CrossRef]
  6. L. Kou, D. Labrie, P. Chylek, “Refractive indices of water and ice in the 0.65–2.5-μm spectral range,” Appl. Opt. 32, 3531–3540 (1993).
    [CrossRef] [PubMed]
  7. F. P. Reding, “The vibrational spectrum and structure of several molecular crystals at low temperature,” Ph.D. dissertation (Brown University, Providence, R.I., 1951).
  8. J. W. Schaaf, D. Williams, “Optical constants of ice in the infrared,” J. Opt. Soc. Am. 63, 726–732 (1973).
    [CrossRef]
  9. Ref. 4, pp. 368–372.

1993 (1)

1989 (1)

1984 (1)

1973 (1)

1971 (1)

Chylek, P.

de Haseth, J. A.

P. R. Griffiths, J. A. de Haseth, Fourier Transform Infrared Spectrometry (Wiley, New York, 1986), Chap. 16, p. 522.

Griffiths, P. R.

P. R. Griffiths, J. A. de Haseth, Fourier Transform Infrared Spectrometry (Wiley, New York, 1986), Chap. 16, p. 522.

Hecht, E.

E. Hecht, Optics, 2nd ed. (Addison-Wesley, Reading, Mass., 1987), Chap. 9, pp. 350–351.

Kou, L.

Labrie, D.

Querry, M. R.

Reding, F. P.

F. P. Reding, “The vibrational spectrum and structure of several molecular crystals at low temperature,” Ph.D. dissertation (Brown University, Providence, R.I., 1951).

Robertson, C. W.

Schaaf, J. W.

Warren, S. G.

Weng, S.

Wieliczka, D. M.

Williams, D.

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Figures (3)

Fig. 1
Fig. 1

Transmittance spectrum for Δz = 308 μm in the 1.4–2.7-μm region.

Fig. 2
Fig. 2

Transmittance spectrum for Δz = 6.7 μm in the 2.8–8.3-μm range.

Fig. 3
Fig. 3

(a) Imaginary part of the refractive index of polycrystalline ice at T = −22 °C from the present measurements [Gosse–Labrie–Chylek (GLC), solid curve] and Warren’s9 compilation (dashed curve). Note: for ×0.5 section, refer to the right-hand scale and multiply by 2 to get the actual k value. (b) Error in the k spectrum of the GLC data.

Tables (1)

Tables Icon

Table 1 Imaginary Part of the Refractive Index k and the Corresponding Error for Polycrystalline Ice at T = −22 °C in the 1280–6980-cm−1 Range

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