Optimal Spacing Calculator for Chirped Mirror Pair

This calculator evaluates the geometric constraints of a chirped-mirror pair and determines the optimal horizontal spacing d and vertical separation L for a target number of reflections.

The reflection count refers to the number of reflections on a single chirped mirror; the total reflections of the mirror pair are twice this value.

Mirror diameter (DM, mm) Clear aperture ratio (r, %) Laser beam diameter (D, mm) Number of reflections per mirror Angle of incidence (AOI, degrees) Calculate Horizontal Spacing