Abstract
An infrared transmissive article includes an infrared transmissive substrate and a single layer anti-reflective (AR) composite broadband sol gel coating on a surface of the substrate. The AR coating includes a first chalcogenide including compound, and a second chalcogenide including compound intermixed with the first chalcogenide including compound. The percentages of the first chalcogenide and the second chalcogenide in the AR coating are selected to provide a refractive index of the AR coating that approximates the square root of a refractive index of the substrate.
Document Type
Patent
Patent Number
US 7,572,512 B2
Application Serial Number
11/681,469
Issue Date
8-11-2009
Current Assignee
Joint Assignment w/UCFRF: Lockheed Martin Corporation
Assignee at Issuance
Joint Assignment w/UCFRF: Lockheed Martin Corporation
College
Advanced Materials Processing & Analysis Center (AMPAC)
Department
Advanced Materials Processing & Analysis Center (AMPAC)
Allowance Date
4-6-2009
Filing Date
3-2-2007
Assignee at Filing
Joint Assignment w/UCFRF: Lockheed Martin Corporation
Filing Type
Nonprovisional Application Record
Donated
no
Recommended Citation
Seal, Sudipta; Braunstein, Edit; Brinley, Erik; and Kramer, Leslie, "Sol-Gel Composite AR Coating for IR Applications" (2009). UCF Patents. 733.
https://stars.library.ucf.edu/patents/733