Abstract

Past studies determined that fully coherent beams undergo nonspecular changes on reflection by multilayered media. These changes involve lateral, focal, and angular shifts of the beam axis and a magnification of the beam width. By using Gaussian Schell-model beams, we examine such nonspecular effects in the case of partly coherent beams. We find that only the angular shift is affected by the presence of incoherence, while the other three nonspecular effects are identical to those in coherent Gaussian beams having the same waist size. On the other hand, we show that the coherence length, the far-field diffraction angle, and the degree of global coherence also are changed by the reflection process. However, all these nonspecular changes are correlated so that a specific combination of beam parameters is preserved as an invariant quantity.

© 1989 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Twisted Gaussian Schell-model beams

R. Simon and N. Mukunda
J. Opt. Soc. Am. A 10(1) 95-109 (1993)

Shape-invariant anisotropic Gaussian Schell-model beams: a complete characterization

R. Simon and N. Mukunda
J. Opt. Soc. Am. A 15(5) 1361-1370 (1998)

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 (1)

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 (35)

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

Metrics

You do not have subscription access to this journal. Article level metrics 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