Abstract

A method is presented for calculating the light absorption and scattering characteristics of nondeveloped photographic layers. The diffusion of a large number of photons in the layer is simulated on a digital computer. The physical data entering into the computation are: (a) the probability-distribution function for the free path of a photon in the emulsion layer, (b) the probability-distribution function for angular scattering, (c) the thickness of the emulsion layer and of the base, and (d) the index of refraction of emulsion layer and base. The ratio k=σabs/(σabs+σscatt), in which σabs and σscatt are the cross sections for absorption and for scattering of the silver halide grains, is used as a variable parameter.

The following results are obtained: (a) the modulation transfer function, (b) the total reflectance, transmittance, and absorption of the layer, and (c) the distribution of the absorbed light in the direction perpendicular to the emulsion plane. The convergence of the method is discussed. Results of the application thereof to a typical layer are given.

© 1965 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Determination of the Modulation Transfer Function of Photographic Emulsions from Physical Measurements

R. N. Wolfe, E. W. Marchand, and J. J. DePalma
J. Opt. Soc. Am. 58(9) 1245-1256 (1968)

Photographic response to x-ray irradiation. II: Correlated models

C. T. Chantler
Appl. Opt. 32(13) 2398-2410 (1993)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (16)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (31)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription