公开(公告)号：US20220244431A1

公开(公告)日：2022-08-04

申请号：US17164157

申请日：2021-02-01

Applicant: Raytheon Company

Inventor： Eric Riedel ,  Ralph Korenstein

IPC: G02B1/116 ,  G02B1/14 ,  G02B1/16 ,  C23C14/35 ,  C23C14/08

Abstract: A shortwave to midwave infrared (SWIR-MWIR) optical window includes a substrate formed from a nanocomposite optical ceramic material and a coating disposed on the substrate to provide electromagnetic interference (EMI) protection. The coating is electrically conductive and SWIR-MWIR transparent and comprises a doped zinc oxide material. A method of protecting an EO/IR sensor from electromagnetic interference (EMI) includes depositing a thin film electrically conductive and SWIR-MWIR transparent coating over a surface an optical window of the EO/IR sensor. The optical window is formed from a nanocomposite optical ceramic material and has a curved surface. The thin film electrically conductive and SWIR-MWIR transparent coating comprises an electrically conductive zinc oxide material.

公开(公告)号：US12248122B2

公开(公告)日：2025-03-11

申请号：US17164157

申请日：2021-02-01

Applicant: Raytheon Company

Inventor： Eric Riedel ,  Ralph Korenstein

IPC: G02B1/116 ,  C23C14/08 ,  C23C14/35 ,  G02B1/14 ,  G02B1/16

Abstract: A shortwave to midwave infrared (SWIR-MWIR) optical window includes a substrate formed from a nanocomposite optical ceramic material and a coating disposed on the substrate to provide electromagnetic interference (EMI) protection. The coating is electrically conductive and SWIR-MWIR transparent and comprises a doped zinc oxide material. A method of protecting an EO/IR sensor from electromagnetic interference (EMI) includes depositing a thin film electrically conductive and SWIR-MWIR transparent coating over a surface an optical window of the EO/IR sensor. The optical window is formed from a nanocomposite optical ceramic material and has a curved surface. The thin film electrically conductive and SWIR-MWIR transparent coating comprises an electrically conductive zinc oxide material.