jklogocorel.JPG (11576 bytes)
This site was created to provide information in regard
to optical thin films and interference coatings!

JKC HOME
----
COATING LIBRARY
----
COATING CLASSES
----
FIND A CONSULTANT
----
DESIGNS
----
DESIGNER FYI
----
MATERIALS
----
WWWLINKS
----
CONTACT JKC

 

Equivalent Layers

 

There are several methods to calculating the equivalent index of a symmetrical period of layers.  For this course we will focus on the most common, the three layer stack.

This calculation applies to any nonabsorbing symmetrical group of layers.   The layout of the stack would look like the following figure:

eqv_index.gif (1985 bytes)

wpe2.jpg (13087 bytes)

wpe6.jpg (13350 bytes)

where,

ei_calca.jpg

NFIB represents the interest of 600,000 small and independent business owners before federal and state legislative and executive branches of government. As a matter of policy, NFIB does not endorse or promote the products and services of its members.

Send mail to webmaster
with questions or comments about this web site.
Last modified: July 17, 2003