Reflectance enhancement factor associated with coherent interference of light in an unbacked or embedded quarter-wave layer

Author

Azzam, R. M. A.

Source

Jordan Journal of Physics

Issue

Vol. 10, Issue 3 (31 Dec. 2017), pp.113-116, 4 p.

Publisher

Yarmouk University Deanship of Research and Graduate Studies

Publication Date

2017-12-31

Country of Publication

Jordan

No. of Pages

4

Main Subjects

Physics

Abstract EN

If a semi-infinite transparent substrate is replaced by a quarter-wave layer (QWL) of the same material, which is embedded in the same ambient, the intensity reflectance is increased by a significant factor.

A simple expression is derived for this reflectance enhancement factor (REF)  that results from coherent multiple-beam interference of monochromatic light within the QWL.

The REF  is a monotonically decreasing function of the Fresnel intensity reflectance at the ambient-layer interface with maximum and minimum values of 4 and 1, respectively.

The expression for  is applicable for the p and s linear polarizations, at any angle of incidence and for any wavelength within the common transparency bandwidth of both layer and ambient.

The results are particularly relevant to light reflection by index-near-one materials and Brewster-angle reflection polarizers that use high-index, IR-transparent semiconductors such as Ge and Si, in bulk and pellicle form

American Psychological Association (APA)

Azzam, R. M. A.. 2017. Reflectance enhancement factor associated with coherent interference of light in an unbacked or embedded quarter-wave layer. Jordan Journal of Physics،Vol. 10, no. 3, pp.113-116.
https://search.emarefa.net/detail/BIM-844158

Modern Language Association (MLA)

Azzam, R. M. A.. Reflectance enhancement factor associated with coherent interference of light in an unbacked or embedded quarter-wave layer. Jordan Journal of Physics Vol. 10, no. 3 (2017), pp.113-116.
https://search.emarefa.net/detail/BIM-844158

American Medical Association (AMA)

Azzam, R. M. A.. Reflectance enhancement factor associated with coherent interference of light in an unbacked or embedded quarter-wave layer. Jordan Journal of Physics. 2017. Vol. 10, no. 3, pp.113-116.
https://search.emarefa.net/detail/BIM-844158

Data Type

Journal Articles

Language

English

Notes

Record ID

BIM-844158