Methods for producing omni-directional multi-layer photonic structures

US8329247B2 · kind B2 · utility

Assignee

• TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC. · US

Inventors

• Debasish Banerjee · Ann Arbor, US
• Benjamin Alan Grayson · Whitmore Lake, US
• Minjuan Zhang · Ann Arbor, US
• Masahiko Ishii · Okazaki, JP

Key dates

• Filing date: Feb 19, 2009
• Grant date: Dec 11, 2012
• Expiry date: Oct 14, 2031

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B27/0012
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

A method for producing a multi-layer photonic structure having at least one group of alternating layers of high index material and low index material may include, determining a characteristic property function for the multi-layer photonic structure, determining a thickness multiplier for the at least one group of alternating layers based on a comparison of the characteristic property function to a target profile, adjusting the characteristic property function with the determined thickness multiplier, and comparing an adjusted characteristic property function to the target profile, wherein, when the adjusted characteristic property function does not approximate the target profile, at least one additional group of layers is added to the multi-layer photonic structure.