Thin film basics

The history of coatings
gives a glance into the past, with a glimpse into the future.

If you are interested in some basic formulas see
Bases of calculation

To achieve a certain reflection grade or a broader AR / HR you have to vary the
Number of layers.

HR standards
show basic information about bandwith, angle shift, polarization, phase, GDD and LIDT of HR coatings.

Sometimes it is possible to improve the performance of a laser system by changing the setup. Find some
Tips and tricks.