SYMPOSIA PAPER Published: 01 January 1986
STP23133S

Design of High Power Laser Coatings for Grazing Incidence Mirrors

Source

Several interesting features occur for high reflectance (HR) coatings at near-grazing incidence: the existence of a Brewster's angle, a double-valued effective index for the p-polarization (enabling a MacNeille-type polarizer to be constructed in air), and a half-wave retarder. It is shown that HR coatings can be designed which have high reflectance and, as compared to normal-incidence designs, extremely low internal E-field standing waves for both s- and p-polarization components. Such mirrors should exhibit considerably less thermal distortion due to decreased laser absorption.

Author Information

Southwell, WH
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Details
Developed by Committee: F01
Pages: 322–329
DOI: 10.1520/STP23133S
ISBN-EB: 978-0-8031-4997-7
ISBN-13: 978-0-8031-0960-5