Antireflective Structures for Optics

摘要

The disclosure relates to methods for the fabrication of randomly arranged, antireflective structures on surfaces of optical substrates and to optics having antireflective coatings comprising random surface structures.

主权项

1. An optic having an antireflective surface comprising:
a substrate, a buffer layer deposited on at least one side of the substrate, and a plurality of surface structures formed by reactive ion etching of the buffer-coated substrate, wherein the plurality of structures are configured to reduce reflection of electromagnetic radiation having an incident angle from 0° to 70° over a region of at least 2.0 octaves within the electromagnetic spectrum region of 350 nm to 18,000 nm.