Optical distance difference from optical distances

The optical difference in the course of two rays is the difference in the optical distances traversed by each of the rays

Links:

1. Wikipedia.

first_optical_distance

optical_distance of first wave.

Symbol:

Lambda_1

Latex:

${\mathrm{\Lambda }}_1$

Dimension:

length

second_optical_distance

optical_distance of second wave.

Symbol:

Lambda_2

Latex:

${\mathrm{\Lambda }}_2$

Dimension:

length

optical_difference_distance

optical_distance difference between waves.

Symbol:

Delta(Lambda)

Latex:

$\mathrm{\Delta }\mathrm{\Lambda }$

Dimension:

length

law

Delta(Lambda) = Lambda_2 - Lambda_1

Latex:

$$\mathrm{\Delta }\mathrm{\Lambda }={\mathrm{\Lambda }}_2-{\mathrm{\Lambda }}_1$$