Abstract

A method is described for determining the optical constants of a thin film deposited on a nonabsorbing window using a single set of transmittances over an absorption band. The method depends on the fact that the phase shift of the transmitted radiation can be determined from the transmittances by a Kramers-Kronig transform. No assumption of a physical model or band shape is required. Practical implementation of the method is numerically complicated, and the use of a digital computer is essential.

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  1. S. Maeda, G. Thyagarajan, and P. N. Schatz, J. Chem. Phys. 39, 3474 (1963).
  2. O. S. Heavens, Optical Properties of Thin Solid Films (Academic Press Inc., New York, 1955).
  3. Note that we use the opposite sign convention from Ref. 2 in defining n so that the exponentials in Eq. (2) will also have opposite signs from Ref. 2.
  4. P. N. Schatz, S. Maeda, and K. Kozima, J. Chem. Phys. 38, 2658 (1963).
  5. P. N. Schatz, S. Maeda, J. L. Hollenberg, and D. A. Dows, J. Chem. Phys. 34, 175 (1961).
  6. S. Maeda and P. N. Schatz, J. Chem. Phys. 36, 571 (1962).
  7. H. Yamada and W. B. Person, J. Chem. Phys. 40, 309 (1964).

Dows, D. A.

P. N. Schatz, S. Maeda, J. L. Hollenberg, and D. A. Dows, J. Chem. Phys. 34, 175 (1961).

Heavens, O. S.

O. S. Heavens, Optical Properties of Thin Solid Films (Academic Press Inc., New York, 1955).

Hollenberg, J. L.

P. N. Schatz, S. Maeda, J. L. Hollenberg, and D. A. Dows, J. Chem. Phys. 34, 175 (1961).

Kozima, K.

P. N. Schatz, S. Maeda, and K. Kozima, J. Chem. Phys. 38, 2658 (1963).

Maeda, S.

P. N. Schatz, S. Maeda, and K. Kozima, J. Chem. Phys. 38, 2658 (1963).

S. Maeda, G. Thyagarajan, and P. N. Schatz, J. Chem. Phys. 39, 3474 (1963).

P. N. Schatz, S. Maeda, J. L. Hollenberg, and D. A. Dows, J. Chem. Phys. 34, 175 (1961).

S. Maeda and P. N. Schatz, J. Chem. Phys. 36, 571 (1962).

Person, W. B.

H. Yamada and W. B. Person, J. Chem. Phys. 40, 309 (1964).

Schatz, P. N.

S. Maeda and P. N. Schatz, J. Chem. Phys. 36, 571 (1962).

P. N. Schatz, S. Maeda, and K. Kozima, J. Chem. Phys. 38, 2658 (1963).

S. Maeda, G. Thyagarajan, and P. N. Schatz, J. Chem. Phys. 39, 3474 (1963).

P. N. Schatz, S. Maeda, J. L. Hollenberg, and D. A. Dows, J. Chem. Phys. 34, 175 (1961).

Thyagarajan, G.

S. Maeda, G. Thyagarajan, and P. N. Schatz, J. Chem. Phys. 39, 3474 (1963).

Yamada, H.

H. Yamada and W. B. Person, J. Chem. Phys. 40, 309 (1964).

Other (7)

S. Maeda, G. Thyagarajan, and P. N. Schatz, J. Chem. Phys. 39, 3474 (1963).

O. S. Heavens, Optical Properties of Thin Solid Films (Academic Press Inc., New York, 1955).

Note that we use the opposite sign convention from Ref. 2 in defining n so that the exponentials in Eq. (2) will also have opposite signs from Ref. 2.

P. N. Schatz, S. Maeda, and K. Kozima, J. Chem. Phys. 38, 2658 (1963).

P. N. Schatz, S. Maeda, J. L. Hollenberg, and D. A. Dows, J. Chem. Phys. 34, 175 (1961).

S. Maeda and P. N. Schatz, J. Chem. Phys. 36, 571 (1962).

H. Yamada and W. B. Person, J. Chem. Phys. 40, 309 (1964).

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